Check valves Direct and pilot operated check valve functions for applications up to 350 bar (5000 psi) and 227 L/min (60 USgpm)

Transcription

1 Hydraulic Screw-in Cartridge Valves (SiCV) Check valves Direct and pilot operated check valve functions for applications up to 5 bar (5 psi) and 7 L/min (6 USgpm)

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3 Check valves CHECK VALVES FPR - CHECK VALVE CA - CHECK VALVE... - CV-4 - CHECK VALVE... - CV-8 - CHECK VALVE CV-/CV- - CHECK VALVE CV6- - CHECK VALVE CV- - CHECK VALVE... - CV-6/CV-6 - CHECK VALVE... - CV- - CHECK VALVE CA - CHECK VALVE CV6-4 - CHECK VALVE CV6- - CHECK VALVE... - RCV- - CHECK VALVE... - CV6-6 - CHECK VALVE RCV- - CHECK VALVE SPC-8 - CHECK VALVE SPC- - CHECK VALVE CK - CHECK VALVE CK9 - CHECK VALVE CKD9 - CHECK VALVE CK - CHECK VALVE CK - CHECK VALVE CK SERIES - CHECK VALVE SK - CHECK VALVE SK9 - CHECK VALVE SK 4 SERIES - CHECK VALVE DPC-8 - CHECK VALVE CKKT - CHECK VALVE KD5 - CHECK VALVE CK - CHECK VALVE CK - CHECK VALVE CK - CHECK VALVE SH - SHUTTLE VALVE SH6 - SHUTTLE VALVE DSV- - SHUTTLE VALVE DSV-4 - SHUTTLE VALVE DSV-8 - SHUTTLE VALVE DSV ** B - SHUTTLE VALVE

4 Check valves Valve locator Functional symbol Model Cavity Flow rating Typical pressure Page Check valve, direct L/min (USgpm) bar (psi) FPR/4 Inline () 5 (5) -8 FPR/8 Inline (8) 5 (5) -8 FPR/ Inline 45 () 5 (5) -8 FPR/4 Inline 85 () (4) -8 FPR Inline 4 (7) 5 (6) -8 FPR/4 Inline (58) 5 (6) -8 FPR/ Inline (8) () -8 CA A879 4 () 5 (5) - CV-4 C () 5 (5) - CV-8 C-8- (8) 5 (5) -4 CV- C-- 76 () () -6 CV- C-- 76 () 5 (5) -6 CV- C-- (u) 4 () 5 (5) - CV-6 C-6-5 (4) () - CV-6 C-6-5 (4) 5 (5) - CV- C-- 7 (6) () -4 CA C-- (8) 5 (5) -6 Model Cavity Flow rating Typical pressure Page Check valve, direct L/min (USgpm) bar (psi) CV6- C-- 76 () 5 (5) - Model Cavity Flow rating Typical pressure Page Check valve, with bypass orifice L/min (USgpm) bar (psi) CV6-4 C () 5 (5) -8 CV6- C-- 76 () 5 (5) - CV6-6 C-6-5 (4) () -4 Model Cavity Flow rating Typical pressure Page Check valve, pilot-to-open L/min (USgpm) bar (psi) SPC-8 C-8-9 (5) 4 (5) -8 SPC- C-- (6) 4 (5) -4-4

5 Check valves Valve locator Functional symbol Model Cavity Flow rating Typical pressure Page Check valve, pilot-to-open L/min (USgpm) bar (psi) 4CK A66 (8) 5 (5) -4 4CK9 A6 9 (4) 5 (5) -44 4CKD9 A6 9 (4) 4 (6) -46 4CK A877 () 5 (5) -48 4CK A695 (8) 5 (5) -5 4SK A9-TA (8) 5 (5) -54 4SK9 A9-TA 9 (4) 5 (5) -56 4SK4 A94-T7A 4 (7) 5 (5) -58 4KD5 Inline 5 (6) 7 () -64 Model Cavity Flow rating Typical pressure Page Dual pilot checks L/min (USgpm) bar (psi) DPC-8 C (5) 4 (5) -6 4 Model Cavity Flow rating Typical pressure Page Dual pilot checks with thermal relief L/min (USgpm) bar (psi) 4CKKT5 A744 5 (6.6) (45) -6 4 Model Cavity Flow rating Typical pressure Page Check valve, pilot-to-close L/min (USgpm) bar (psi) 5CK A66 (8) 5 (5) -66 5CK A877 () 5 (5) -68 5CK A695 5 (65) 5 (5) -7 Model Cavity Flow rating Typical pressure Page Shuttle L/min (USgpm) bar (psi) SH A697 (5) 5 (5) -7 SH6 C-I-M8-5 () 5 (5) -74 DSV- C-- (6) () -76 DSV-4 C-4- (.75) 4 (5) -78 DSV-8 C-8- (6) 4 (5) -8 DSV-XX-B Inline 7 (45) 5 (5) -8-5

6 Check valves Section overview This section gives basic specifications for the full line of Eaton screw-in cartridge check valves. Its purpose is to provide a quick, convenient reference tool when choosing Vickers cartridge valves or designing a system using these components. Eaton's Integrated Hydraulics range of direct and pilot operated check valves provides the hydraulic circuit designer with a wide selection of cartridge and in-line products. Two pressure ratings are shown for all products featured in this catalog. The typical application pressure rating is the maximum recommended operating pressure for the valve in a given system. The fatigue pressure rating is the pressure for the valve to be free for infinite life from metal fatigue. All poppet type check valve cartridges have hardened and ground poppets and sharpedged ground steel seats. This provides an excellent product that is dirt-tolerant, has reliable seating, and is suitable for fast cycling with long life. Direct operated check valves Cartridges fit into industry standard cavities and may be supplied for installation in manifolds, or be provided in standard housings having SAE or BSPP ports suitable for in-line mounting. A wide selection of cracking pressures is available from, to,7 bar ( to psi). Thus the opportunity exists to use the valves not only as conventional check but also as low pressure relief valves. Pilot operated check valves These valves are used for: Position load locking As an alternative to counterbalance valves where neither the overrunning loads or release speed are factors in the application. The high pressure 4CK** series pilot-to-open check valves complement the CE series counterbalance cartridges and are physically interchangeable with them. The 4CK**s provide a low cost Alternative to load control when the dynamics of neither overrunning loads nor load release speed are factors to be considered in the design of the hydraulic circuit for the load to be controlled. The pilot-to-open valves positively lock a load from port to port until pilot pressure applied to port is sufficient to unseat the valve. This then permits flow from port to port. The 4CK** covers flow up to L/min (8USgpm). These POC valves are suitable for use in a broad range of load control applications with typical system operating pressures up to 5 bar (5 psi). Features and benefits Products in this catalog have been fatigue tested for one million cycles at % of rated pressure. Simple load holding device. Low cost alternative to more complex solutions when overrunning loads are not present and / or control of load release speed is not required. Provides high operational efficiency and low spring settings. Valves are offered with a wide variety of standard housings with SAE and BSPP port options in the following configurations: In-line single In-line dual SAE, 4-bolt, code 6 Close coupled, nipple mounted asket mounted single asket mounted dual The Eaton range of direct and pilot operated check valves provides the hydraulic circuit designer with a wide selection of cartridge and in-line products. Unique design provides compact package and low pressure drops that match or exceed current market expectations and provide for excellent repeatability and stability. : pilot ratio satisfies simple load holding application requirements, while providing smooth operation and longer operating life. Single pilot check Also offered are SPC-8 and SPC- single pilot check valves with pressures to 4 bar (5 psi) and flows to L/min (6 USgpm). These valves operate similar to the 4CK** Series product but offer an opposite flow path which offers the designer a choice of pilot operated check valve when laying out a custom manifold for ease of design and fit the C- cavity. Supporting products Integrated Hydraulics screw in cartridge valves are available in a wide range of mounting configurations and porting options to provide flexibility in developing circuits. Housings are available in either aluminum bar ( psi) or steel 5 bar (5 psi) configurations. All are available with a choice of BSPP (ISO 8/) or SAE style ports. -6

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8 FPR - Check valve uided poppet line mounted Up to L/min (8 USgpm) 5 bar (5 psi) Sectional view Operation These are in line check valves. Free flow is allowed from port to port when the inlet pressure rises higher than the crack pressure. Flow is prevented between port and port by the poppet resting on the seat within the body. Features All steel construction with hardened and precision ground poppet gives excellent flow capability and shut-off characteristics with good tolerance to particle (dirt) contaminated fluid. Inlet () Performance data Outlet () Description A range of line mounted valves for convenient installation into hydraulic circuits. Valves allow flow at a low pressure drop (from.5 bar, 7 psi) in the free flow direction and prevent flow in the reverse direction. The range extends from /4 BSP to / BSP ( liters/min US PM to min/min, 8 US PM) nominal flow with cracking pressures from.5 to 5 bar (7 to 7.5 psi). Ratings and specifications Figures based on: Oil Temp = 4 C Viscosity = cst (5 SUS) Rated flow Valve material Mounting position Weight FPR /4 FPR /8 FPR / FPR /4 Recommended filtration level Operating temp Nominal viscosity range Pressure drop FPR /4" Flow - L/min FPR /8" Flow - L/min bar 7 5 bar bar bar bar.5 bar Flow - US gpm Flow - US gpm Pressure - psi FPR /" Flow - L/min FPR /4" bar Pressure - psi 8 4 bar.5 bar Flow - US gpm. kg (.4 lbs).9 kg (.4 lbs).5 kg (.55 lbs).5 kg (. lbs) Pressure - bar Pressure - bar Pressure - psi Pressure - psi L/min (8 USgpm) Working parts hardened and ground steel. External surfaces zinc plated. Line mounted FPR FPR /4 FPR /.89 kg (.95 lbs).75 kg (.85 lbs). kg (4.6 lbs) BS554/4 Class 8/ (5 micron nominal) - C to +9 C (- C to +94 F) 5 to 5 cst Flow - L/min bar bar.5 bar Flow - US gpm Pressure - bar Pressure - bar -8

9 FPR - Check valve uided poppet line mounted Up to L/min (8 USgpm) 5 bar (5 psi) Model code FPR **.5 FPR/4 - Inline valve FPR/8 - Inline valve FPR/ - Inline valve FPR/4 - Inline valve FPR - Inline valve FPR/4 - Inline valve FPR/ - Inline valve Cracking pressure bar (standard). -. bar (FPR/4, /8, /, /4 Only) bar bar. -. bar Pressure drop FPR " Pressure - psi Flow - L/min bar bar.5 bar 6 9 Flow - US gpm Pressure - bar FPR /4" Flow - L/min bar Pressure - psi 9. bar bar Flow - US gpm Pressure - bar FPR /" Flow - L/min bar bar bar Flow - US gpm Pressure - psi Pressure - bar A B C Flow rate Pressure A B C FPR /4 L/min ( USgpm) 5 bar (5 psi) 6 9 /4" BSP FPR /8 L/min (8 USgpm) 5 bar (5 psi) 68 4 /8" BSP FPR / 45 L/min ( USgpm) 5 bar (5 psi) 78 7 /" BSP FPR /4 85 L/min ( USgpm) bar (4 psi) 88 6 /4" BSP FPR 4 L/min (7 USgpm) 5 bar (6 psi) 46 " BSP FPR /4 L/min (58 USgpm) 5 bar (6 psi) 4 55 /4" BSP FPR / L/min (8 USgpm) bar ( psi) 55 6 /" BSP -9

10 CA - Check valve Direct acting, ball type 4 L/min ( USgpm) 5 bar (5 psi) Operation The valve remains closed until the spring bias is reached at port at which time the poppet lifts of the seat and allows flow from port to port. in the other direction the valve is closed. Features Cartridge design with machined seats and precision ground balls gives excellent flow reseat characteristics. Installation into the -port 7/8" UNF cavity gives easy fitment and serviceability. Sectional view Performance data Outlet () Inlet () Description These cartridge check valves allow flow at a low pressure drop, with cracking pressure from.5 to 7 bar (7 to psi) in the free flow direction and close to prevent flow in the reverse direction. They fit into simply machined cavities and are therefore ideal for installation into custom designed Hydraulic Integrated Circuits, manifold blocks and other hydraulic equipment. Ratings and specifications Figures based on oil temperature of 4 C and viscosity of cst (5 SUS) Rated flow Maximum pressure Cracking pressures 4 L/min ( USgpm 5 bar (5 psi).5 bar.5 bar.5 bar 7. bar (7 psi) ( psi) (5 psi) ( psi) Cartridge material All steel construction. External parts electroless zinc plated. Standard housing material Standard aluminum (up to bar). Add suffix "77" for steel option. Mounting position Unrestricted Cavity number A879 (See Section M) Torque cartridge into cavity 45 Nm ( lbs. ft.) Weight.5 kg (. lbs.) Seal kit number SK96 (Nitrile), SK96V (Viton ) Recommended filtration level BS554/4 Class 8/ (5 micron nominal) Operating temperature - C to +9 C (- C to +94 F) Leakage. ml/min nominal Nominal viscosity range 5 to 5 cst Viton is a registered trademark of E. I. DuPont Pressure drop curves Flow - L/min Pressure - psi bar 5 5 Pressure - bar Flow - US gpm -

11 CA - Check valve Direct acting, ball type 4 L/min ( USgpm) 5 bar (5 psi) Model code CA** W.5 S 4 CA - Cartridge only CA5 - Cartridge and body Port size Code Port size Housing number - body only Aluminium Steel W /4" BSP A485 W /8" BSP A4 A475 6T /8" SAE A5676 A484 Cracking pressure bar (7 psi) bar ( psi) bar (5 psi) bar ( psi) 4 Seals S - Nitrile (For use with most industrial hydraulic oils) SV - Viton (for high temperature and most special fluid applications) Dimensions mm (inch) Cartridge only CA Single valve /4", /8" Ports CA5 6.5 (.6) max. A/F. (.) 6. (.6) 5. (.97) 44. (.7) /4-6 UNF-A holes Ø6.8 (.7) thro.7 (.5) 8.8 (.) 5.9 (.6).8 (.5) 8. (.) Outlet () 44.8 (.76) 5.8 (.) NNote: For applications above please consult our technical department or use the steel body option. Inlet () -

12 CV-4 - Check valve Direct acting, poppet type 7.6 L/min ( USgpm) 5 bar (5 psi) Sectional view Operation The valve remains closed until the spring bias is reached at port at which time the poppet lifts of the seat and allows flow from port to port. in the other direction the valve is closed. Features Compact screw in cartridge design. Hardened and ground working parts to limit leakage and extend service life. Performance data Descriptions This is a compact Poppet Type check valve ideal for use in manifolds for load sense or low flow applications. Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) 5 bar (5 psi) Cartridge fatigue pressure (infinite life) 5 bar (5 psi) Rated flow 7.6 L/min ( USgpm) Free flow cracking L/min (.5 USgpm) 5-.4 bar (5 psi) 6-4. bar (6 psi) Internal leakage, port to 5 drops/min bar ( psi) Temperature range 4 to C ( 4 to 48 F) Cavity C-4- Fluids All general purpose hydraulic fluids such as MIL -H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Weight: cartridge only.4 kg (.9 lbs.) Seal kit (Buna-N) (Viton ) Viton is a registered trademark of E. I. DuPont Pressure drop 4 CV-4-P--5 5 CV-4-P--6 Pressure Drop - psi Pressure Drop - psi Flow USgpm (5 SUS F) Flow USgpm (5 SUS F) -

13 CV-4 - Check valve Direct acting, poppet type 7.6 L/min ( USgpm) 5 bar (5 psi) Model code CV 4 (V) P *** ** Function CV - Check valve Size 4-4 size Seal material Blank - Buna-N V - Viton 4 Style P - Poppet Type 5 Port size - Cartridge only 6 Free flow cracking pressure 5 -,4 bar (5 psi) 6-4. bar (6 psi) 7 Special features - None (Only required if valve has special features, omitted if "") Dimensions mm (inch) Cartridge only CV-4 9/6" HEX (.5) 7/6 - UNF - A. (.879) Ø 8,64 (.4) NNote: Torque cartridge in aluminum or steel housing to Nm (6- ft. lbs). Warning Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -

14 CV-8 - Check valve Direct acting, poppet type L/min (8 USgpm) 5 bar (5 psi) Operation The valve remains closed until the spring bias is reached at port at which time the poppet lifts of the seat and allows flow from port to port. in the other direction the valve is closed. Features Compact screw in cartridge design. Hardened steel ball to limit leakage and extend service life. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) Cartridge fatigue pressure (infinite life) Rated flow 5 bar (5 psi) 8 bar (4 psi) L/min (8 USgpm) Cracking L/min (.5 USgpm) bar (4 psi) -.7 bar ( psi) 5 -. bar (5 psi) bar (5 psi) -.7 bar ( psi) 6-4. bar (6 psi) Internal leakage 5 drops/min. 5 bar (5 psi) Temperature range 4 to C ( 4 to 48 F) Cavity C-8- Fluids All general purpose hydraulic fluids such as: MIL - H-566, SAE, SAE, etc. Description This is a compact poppet type check valve ideal for use in manifolds for load sense or low flow applications. Filtration Cleanliness code 8/6/ Standard housing materials Aluminum or steel Weight: cartridge only.4 kg (.9 lbs.) Seal kit (Buna-N) (Viton ) Viton is a registered trademark of E.I. DuPont Pressure drop 5 Flow - L/min (,8 cst 49 C) 4 Pressure Drop - psi A B C D Pressure Drop - bar Flow - USgpm (5 SUS F) A CV-8-P-O-6 B CV-8-P-O-5 C CV-8-P-O- D CV-8-P-O-4-4

15 CV-8 - Check valve Direct acting, poppet type L/min (8 USgpm) 5 bar (5 psi) Model code CV 8 (V) P (*) ** *** Function CV - Check valve Size 8-8 size Seal material Blank - Buna-N V - Viton 4 Style P - Poppet 5 Valve housing material Omit for cartridge only A - Aluminum S - Steel 6 Port size Code Port size Housing number Cartridge only Aluminum Fatigue rated Steel Fatigue rated 4T SAE T SAE T SAE /4 BSPP /8 BSPP See section J for housing details. 7 Cracking pressure bar (4 psi) -.7 bar ( psi) 5 -. bar (5 psi) bar ( psi) -.7 bar ( psi) 6-4. bar (6 psi) 8 Special features - None (Only required if valve has special features, omitted if "") SS - 6 Stainless Steel external components Dimensions mm (inch) Cartridge only CV-8, (.87) hex 8,6 (.4) Installation drawing (Steel) 9. (.6) 5.5 (.6).75" 6 Thd. 7,8 (.9) 8. (.5) 5.8 (.).4 (.) 44. (.7) 5.8 (.) X 7. (.8) 9. (.75) Ø,6 (.497) NNote: Torque cartridge in aluminum or steel housing to 4-4 Nm (5- ft. lbs). Warning Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -5

16 CV-/CV- - Check valve Direct acting, poppet type Up to 76 L/min ( USgpm) 5 bar (5 psi) Operation The valve remains closed until the spring bias is reached at port at which time the poppet lifts of the seat and allows flow from port to port. in the other direction the valve is closed. Features Hardened and ground working parts to limit leakage and extend service life. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) CV/CV bar ( psi)/5 bar (5 psi) Description This is a compact poppet type check valve ideal for use in manifolds for load sense or low flow applications. Cartridge fatigue pressure (infinite life) CV/CV Rated flow Free flow cracking L/min (.5 USgpm) Internal leakage, Port to bar ( psi)/5 bar (5 psi) 76 L/min ( USgpm) -. bar -.69 bar -.8 bar bar bar bar bar bar bar ( psi) ( psi) ( psi) (5 psi) (4 psi) (65 psi) ( psi) (8 psi) ( psi) 5 drops/min. 5 bar (5 psi) Temperature range 4 to C ( 4 to 48 F) Cavity Fluids C-- All general purpose hydraulic fluids such as MIL - H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing material Weight: cartridge only Seal kit Viton is a registered trademark of E.I. DuPont Aluminum or steel.8 kg (.7 lbs.) 5658 (Buna-N) (Viton ) Pressure drop Flow - L/min (,8 cst 49 C) Pressure Drop - psi A B C 5 5 Pressure Drop - bar Flow - USgpm (5 SUS F) A CV(*) *P B CV(*) *P 4 C CV(*) *P -6

17 CV-/CV- - Check valve Direct acting, poppet type Up to 76 L/min ( USgpm) 5 bar (5 psi) Model code CV(*) * P * ** *** Function CV - Check valve bar ( psi) CV - Check valve 5 bar (5 psi) Size - size Seal material N - Buna-N V - Viton 4 Style P - Poppet 6 Port size Code Port size Housing number Cartridge only Aluminum light duty Aluminum fatigue rated Steel fatigue rated B /8 BSPP T SAE T SAE 8-75 /4 BSPP /8 BSPP H SAE H SAE See section J for housing details. 5 Valve housing material - None A - Aluminum S - Steel 7 Free flow cracking pressure -. bar ( psi) (anticavitation) -.69 bar ( psi) (anticavitation) -,8 bar ( psi) 5 -,4 bar (5 psi) 4 -,76 bar (4 psi) 65-4,48 bar (65 psi) - 6,9 bar ( psi) 8 -,4 bar (8 psi) bar ( psi) 8 Special features - None (Only required if valve has special features, omitted if "") SS - 6 Stainless Steel external components Dimensions mm (inch) Cartridge only CV- 5,4 (.) hex.875" 4 Thd. Torque cartridge in aluminum housing Nm (5-4 lbf ft). Torque cartridge in steel housing 68-7 Nm (5-55 lbf ft) A Nm (5-4 lbf. ft.) S Nm (5-55 lbf ft.) 8, (.) Installation drawing (Steel) 6.5 (.5) 8. (.) 5.8 (.) X Ø 7.4 (.8) 9 (.75),7 (.5) (.7) (.75) (.87) (.75) (.5) Ø 5,8 (.6) Warning Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -7

18 CV6- - Check valve Direct acting, poppet types, side in, nose out 76 L/min ( USgpm) 5 bar (5 psi) Operation The valve remains closed until the spring bias is reached at port at which time the poppet lifts of the seat and allows flow from port to port. in the other direction the valve is closed. Features Hardened and ground working parts to limit leakage and extend service life. Robust design with a 5 bar max pressure rating. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) 5 bar (5 psi) Description This is a poppet type screwin cartridge valve allowing free flow from port to. This gives flexibility to the manifold designer allowing the production of the most compact solution. Cartridge fatigue pressure (infinite life) Rated flow Free flow cracking L/min (.5 USgpm) Pressure drop Flow - L/min (,8 cst 49 C) bar (45 psi) 76 L/min ( USgpm) bar 5 -. bar bar bar (5 psi) (5 psi) (5 psi) (5 psi) Internal leakage, Port to 5 drops/min. 5 bar (5 psi) Temperature range 4 to C ( 4 to 48 F) Cavity C-- Fluids All general purpose hydraulic fluids such as MIL - H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing materials Aluminum or steel Weight, cartridge only.8 kg (.7 lbs.) Seal kit 5658 (Buna-N) (Viton ) Viton is a registered trademark of E.I. DuPont Pressure Drop - psi A B C 6 Pressure Drop - bar D Flow - USgpm (5 SUS F) A CV6--P-O-5 B CV6--P-O-5 C CV6--P-O-5 D CV6--P-O-5-8

19 CV6- - Check valve Direct acting, poppet types, side in, nose out 76 L/min ( USgpm) 5 bar (5 psi) Model code CV6 (*) P (*) ** *** Function CV6 - Check valve Size - size Seal material Blank - Buna-N V - Viton 4 Style P - Poppet 5 Valve housing material Omit for cartridge only A - Aluminum S - Steel 6 Port size Code Port size Housing number Cartridge only 7 Free flow cracking pressure bar (5 psi) (Anti-cavitation) 5 -. bar (5 psi) bar (5 psi) bar (5 psi) Aluminum light duty 8 Special features - None (Only required if valve has special features, omitted if "") SS - 6 Stainless Steel external components Aluminum fatigue rated Steel fatigue rated B /8" BSPP T SAE T SAE 8-75 /4 BSPP /8 BSPP H SAE H SAE See section J for housing details. Dimensions mm (inch) NNote: Torque cartridge in aluminum housing Nm (5-4 ft. lbs). Torque cartridge in steel housing 68-7 Nm (5-55 ft. lbs). Cartridge only CV- 5,4 (.) hex.875" 4 Thd. 8, (.) Installation drawing (Steel) 6.5 (.5) 8. (.) 5.8 (.) X Ø 7.4 (.8) 9 (.75),7 (.5) (.7) (.75) (.87) (.75) (.5) Ø 5,8 (.6) Warning The cavity should be machined to 4,9 (.56) maximum diameter and 6, (.47) maximum depth (see cavity detail, page M-). Warning Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -9

20 CV- - Check valve Direct acting, poppet type 4 L/min ( USgpm) 5 bar (5 psi) Operation The valve remains closed until the spring bias is reached at port at which time the poppet lifts of the seat and allows flow from port to port. in the other direction the valve is closed. Pilot operation Hardened and ground working parts to limit leakage and extend service life. Robust design with a 5 bar max pressure rating. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) Cartridge fatigue pressure (infinite life) Rated flow 5 bar (5 psi) 5 bar (5 psi) 4 L/min ( USgpm) Free flow cracking L/min (.5 USgpm) bar.5 bar.69 bar.8 bar,76 bar 5,5 bar 6. -, bar Internal leakage, Port to Hysteresis Temperature range Cavity Fluids (.5 psi) (5 psi) ( psi) ( psi) (4 psi) (8 psi) (6 psi) 5 drops/min. 5 bar (5 psi) Less than,5 bar (5 psi) 4 to C ( 4 to 48 F) C-- or C--U All general purpose hydraulic fluids such as MIL - H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing materials Weight, cartridge only Seal kit Viton is a registered trademark of E.I. DuPont Aluminum or steel,4 kg (.54 lbs.) (Buna-N) (Viton ) Description This is a poppet type, direct acting screw-in cartridge check valve allowing free flow from port to. Pressure drop Pressure Drop - psi Flow - L/min (,8 cst 49 C) A B C Flow - USgpm (5 SUS F) Pressure Drop - bar A CV--P-O-8 B CV--P-O- C CV--P-O-.5 -

21 CV- - Check valve Direct acting, poppet type 4 L/min ( USgpm) 5 bar (5 psi) Model code CV (V) P (*) *** (U) ** Function CV - Check valve Size - size Seal material Blank - Buna-N V - Viton 6 Port size Code Port size Housing number Cartridge only C--U Aluminum light duty C-- Aluminum fatigue rated C--U Steel fatigue rated C-- Steel fatigued rated T SAE T SAE /" BSPP /4 BSPP Style P - Poppet 5 Valve housing material Omit for cartridge only A - Aluminum S - Steel See section J for housing details. 7 Cavity Blank - Cavity without undercut U - Cavity with undercut 8 Cracking pressure.5 -,7 bar (.55 psi) 5. -,5 bar 5 psi) -,69 bar ( psi) -,8 bar ( psi) 4 -,75 bar (4 psi) 8-5,5 bar (8 psi) 6 -, bar (6 psi) 9 Special features - None (Only required if valve has special features, omitted if "") Dimensions mm (inch) Torque cartridge in housing A Nm (6-7 ft. lbs). S - -5 Nm (75-85 ft. lbs). Cartridge only CV,6 (.5) hex Installation drawing (Steel).7 (.5) 8.9 (.74) 8.7 (.).6" Thd. 8,9 (.75) (.5) (.5) X Ø. (.46) 44,7 (.76).7 (.5) 88.9 (.5) 6.5 (.5) 5.4 (.) 5.8 (.) Ø,75 (.95) Warning Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -

22 CV-6/CV-6 - Check valve Direct acting, poppet type 5 L/min (4 USgpm) 5 bar (5 psi) Operation The valve remains closed until the spring bias is reached at port at which time the poppet lifts of the seat and allows flow from port to port. In the other direction the valve is closed. Features Hardened and ground working parts to limit leakage and extend service life. Sectional view CV-6 Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) CV-6 bar ( psi)/cv 5 bar (5 psi) Cartridge fatigue pressure (infinite life) CV-6 bar ( psi)/cv-6 5 bar (5 psi) Rated flow 5 L/min (4 USgpm) Free flow cracking L/min (.5 USgpm) NNote: Only the 5 psi option is available for CV-6 Internal leakage, Port to ,4 bar,4 bar,7 bar,67 bar,45 bar 6,9 bar (5 psi) ( psi) ( psi) (4 psi) (5 psi) ( psi) 5 drops/min. bar ( psi) Temperature range 4 to C ( 4 to 48 F) Cavity Fluids C-6- All general purpose hydraulic fluids such as: MIL - H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing materials Aluminum or steel Weight, cartridge only,6 kg (.58 lbs.) Seal kit 5658 (Buna-N) (Viton ) Viton is a registered trademark of E.I. DuPont Description This is a poppet type, direct acting screw-in cartridge check valve allowing free flow from port to. Pressure drop 5 Pressure Drop - psi 75 B 5 5 Flow - L/min (,8 cst 49 C) A Pressure Drop - bar D C 4 Flow - USgpm (5 SUS F) A CV(*)-6-P-O-5 B CV(*)-6-P-O- C CV(*)-6-P-O-5 D CV(*)-6-P-O-5 -

23 CV-6/CV-6 - Check valve Direct acting, poppet type 5 L/min (4 USgpm) 5 bar (5 psi) Model code CV(*) 6 (V) P *** ** Function CV - Check valve, bar CV - Check valve, 5 bar Size 6-6 size Seal material Blank - Buna-N V - Viton 4 Style P - Poppet 5 Port size Code Port size Housing number Cartridge only Aluminum light duty Aluminum fatigue rated 6B /4" BSPP Steel fatigue rated T SAE -754 T SAE /" BSPP /4 BSPP H SAE H SAE 566 See section J for housing details. 6 Cracking pressure 5 -,4 bar (5 psi) (Anti-cavitation) -,4 bar ( psi) -.7 bar ( psi) bar (4 psi) bar (5 psi) bar ( psi) 7 Special features - None (Only required if valve has special features, omitted if "") SS - 6 Stainless Steel external components Dimensions mm (inch) Torque cartridge in housing A- 8- Nm (8-9 ft lbs) S Nm (- ft lbs) Cartridge only CV, CV 8, (.5) hex, (.5) Installation drawing (Aluminum).7 (.5) 8.4 (.)." Thd (.5) 6.5 (.5) 44,5 (.75). (.4) 68.8 (.688) 88.9 (.5) X 8.74 (.44).8 (.5) Ø 8,5 (.) Warning Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -

24 CV- - Check valve Direct acting, poppet type 7 L/min (6 USgpm) bar ( psi) Operation This is a poppet type, direct acting screw-in cartridge check valve allowing free flow from port to. Features Hardened and ground working parts to limit leakage and extend service life. Robust design with a bar ( psi) max pressure rating. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) bar ( psi) Cartridge fatigue pressure (infinite life) bar ( psi) Rated flow 7 L/min (6 USgpm) Free flow cracking L/min (.5 USgpm) Internal leakage, Port to,4 bar, bar,7 bar 4,4 bar 6,9 bar (5 psi) (5 psi) ( psi) (6 psi) ( psi) 5 drops/min. bar ( psi) Temperature range 4 to C ( 4 to 48 F) Cavity Fluids C-- All general purpose hydraulic fluids such as MIL - H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing material Aluminum Weight, cartridge only,49 kg (.9 lbs.) Seal kit (Buna-N) (Viton ) Viton is a registered trademark of E.I. DuPont Description This is a poppet type, direct acting screw-in cartridge check valve allowing free flow from port to. Pressure drop Flow - L/min (,8 cst 49 C) Pressure Drop - psi A B C Pressure Drop - bar Flow - USgpm (5 SUS F) A CV--P-O- B CV--P-O- C CV--P-O-5-4

25 CV- - Check valve Direct acting, poppet type 7 L/min (6 USgpm) bar ( psi) Model code CV (V) P *** *** Function CV - Check valve Size - size Seal material Blank - Buna-N V - Viton 4 Style P - Poppet 5 Port size Code Port size Housing number Cartridge only Aluminum light duty Aluminum fatigue rated 8B " BSPP T SAE /4" BSPP " BSPP H SAE H SAE Free flow cracking pressure 5 -,4 bar (5 psi) Anti-cavitation 5 -, bar (5 psi) -,7 bar ( psi) 6-4,4 bar (6 psi) - 6,9 bar ( psi) 7 Special features - None (Only required if valve has special features, omitted if "") Dimensions mm (inch) NNote: Torque cartridge in aluminum housing 8-55 Nm (95-5 ft lbs) Cartridge only CV 47,6 (.87) hex.65" Thd. 4, (.55) Installation drawing (Aluminum) 76. (.).6 (4.) 4. (.6) X 8.74 (.44) 6. (.4) 57, (.5). (.4) 8. (.9).6 (4.) Ø 6,44 (.45) -5

26 CA - Check valve Direct acting, poppet style L/min (8 USgpm) 5 bar (5 psi) Operation This is a poppet type, direct acting screw-in cartridge check valve allowing free flow from port to. Features Hardened and ground working parts to limit leakage and extend service life. Rhobust design with a 5 bar (5 psi) max pressure rating. Sectional view Performance data Ratings and specifications Figures based on: Oil Temp = 4 C Viscosity = cst (5 SUS) Typical application pressure (all ports) 5 bar (5 psi) Rated flow L/min (8 USgpm) Free flow cracking pressure. - bar (4.4 psi). - bar (4.5 psi). - bar (9 psi) bar (58 psi) bar ( psi) Leakage. millilitres/min nominal Temperature range to 9 C ( to 94 F) Cavity A45 (C--) See Section M) Torque cartridge into cavity 5 Nm ( lbs ft) Filtration BS554/4 Class 8/ (5 micron nominal) Cartridge material All steel construction. External parts electroless zinc plated. Standard housing material Aluminum (up to bar) Add suffix 77 for steel option. Norminal Viscosity Range 5 to 5 cst Weight.48 kg (.6 lbs.) Mounting position Unrestricted Seal kit SK4 (Nitrile) SK4V (Viton ) Viton is a registered trademark of E.I. DuPont Descriptions This is a poppet type, dirct acting screw-in cartridge check valve allowing free flow from port to. Pressure drop 5 Flow - L/min Pressure - psi S. 4.S.S.S 6.9.S Flow - US gpm Pressure - bar -6

27 CA - Check valve Direct acting, poppet style L/min (8 USgpm) 5 bar (5 psi) Model code CA*** W. S 4 Function CA - Cartridge only CA55 - Cartridge and body Port size - bodied valves only Cracking pressure Code Port size Housing number Aluminum Steel W /4" BSP C45 C46 T /4" SAE C4 C4. -. bar (4.4 psi). -. bar (4.5 psi). -. bar (9 psi) bar (58 psi) bar ( psi) 4 Seals S - Nitrile (For use with most industrial hydraulic oils) SV - Viton (For high temperature and most special fluid applications) Dimensions mm (inch) NNote: For applications above please consult our technical department or use the steel body option. Cartridge only CA 46 A/F Single valve /4", /" Ports CA55 5. (.98). (.6) 76. (.) 5. (.59) 65. (.56).6 (4.) 7.5 (.85). (.9) 4. (.57) 8. (.5).6 (4.) 8. (.5) -7

28 CV6-4 - Check valve Direct acting, poppet type with orifice 7.6 L/min ( USgpm) 5 bar (5 psi) Operation The poppet remains on its seat until the pressure drop across the orifice overcomes the spring force over the seat area. Full flow will then take place from port to. Flow from port to will be restricted by the orifice. Features Hardened and ground working parts extend service life. Robust design with a 5 bar (5 psi) max pressure rating. Compact simple solution in a single cartridge. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) 5 bar (5 psi) Cartridge fatigue pressure (infinite life) 5 bar (5 psi) Rated Flow 7.6 L/min ( US gpm) Free flow cracking L/min (.5 USgpm) 5 PSI.4 Bar Orifice size range.5 to.5" (.8 mm.7 mm) Temperature range 4 to C ( 4 to 48 F) Cavity C-4- Fluids All general purpose hydraulic fluids such as: MIL-H-566, SAE, SAE etc Filtration Cleanliness code 8/6/ Weight cartridge only.4 kg (.9 lbs) Seal Kit (Buna-N) (Viton ) Descriptions This is a poppet type screw-in cartridge check valve with a by-pass orifice. This will allow free flow into an actuator while restricting the flow out of it. Pressure drop Cartridge with body -8 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC-E January 8

29 CV6-4 - Check valve Direct acting, poppet type with orifice 7.6 L/min ( USgpm) 5 bar (5 psi) Model code CV6 4 * P *** ** *** ** Function CV6 - Check valve with bypass orifice Size 4-4 size 5 Port size - Cartridge only 6 Free flow cracking pressure 5 -, 4 bar (5 psi) 7 Orifice size Specify in thousandths of an inch Ø -.5 max Ø -.5 min 8 Special features - None (Only required if valve has special features, omitted if "") Seal material Blank - Buna-N V - Viton 4 Style P - Poppet Dimensions mm (inch) Cartridge only CV6-4 NNote: Torque cartidge in aluminum or steel housing to Nm (6- ft. lbs). Warning Aluminum housings can be used for pressures up to bar ( psi) Steel housings must be used for operating pressures above bar ( psi). Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC-E January

30 CV6- - Check valve Direct acting, poppet type with orifice 76 L/min ( USgpm) 5 bar (5 psi) Operation The poppet remains on its seat until the pressure drop across the orifice overcomes the spring force over the seat area. Full flow will then take place from port to. Flow from port to will be restricted by the orifice. Features Hardened and ground working parts extend service life. Robust design with a 5 bar (5 psi) max pressure rating. Compact simple solution in a single cartridge. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) 5 bar (5 psi) Cartridge fatigue pressure (infinite life) 5 bar (5 psi) Rated flow 76 L/min ( USgpm) Free flow cracking L/min (.5 USgpm) -, bar -,69 bar -,8 bar 5 -,4 bar 4 -,76 bar 65-4,48 bar - 6,9 bar 8 -,4 bar - 4,5 bar ( psi) ( psi) ( psi) (5 psi) (4 psi) (65 psi) ( psi) (8 psi) ( psi) Orifice size range Temperature range Cavity.5 to.5" ( mm) 4 to C ( 4 to 48 F) C-- Fluids All general purpose hydraulic fluids such as MIL - H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing material Aluminum or steel Weight, cartridge only,49 kg (.9 lbs.) Seal kit (Buna-N) (Viton ) Viton is a registered trademark of E.I. DuPont Description This is a poppet type screw-in cartridge check valve with a by-pass orifice. This will allow free flow into an actuator while restricting the flow out of it. Pressure drop Pressure Drop - psi 5 4 Flow - L/min (,8 cst 49 C) A B C 5 5 Flow - USgpm (5 SUS F) Port to Pressure Drop - bar A CV6 *P B CV6 *P 4 C CV6 *P -

31 CV6- - Check valve Direct acting, poppet type with orifice 76 L/min ( USgpm) 5 bar (5 psi) Model code CV6 * P * *** *** *** Function CV6 - Check valve with bypass orifice 5 Valve housing material - No housing A - Aluminum S - Steel 7 Port size Code Port size Housing number Aluminum light duty Aluminum fatigue rated Steel fatigue rated Size - size Seal material N - Buna-N V - Viton 4 Style P - Poppet 6 Free flow cracking pressure -, bar ( psi) (Anti-cavitation) -,69 bar ( psi) (Anti-cavitation) -,8 bar ( psi) 5 -,4 bar (5 psi) 4 -,76 bar (4 psi) 65-4,48 bar (65 psi) - 6,9 bar ( psi) 8 -,4 bar (8 psi) - 4,5 bar ( psi) B /8" BSPP T SAE T SAE 8-75 /4" BSPP /8" BSPP H SAE H SAE Orifice size Specify in thousandths of an inch Ø -.5 max Ø -.5 min 9 Special features - None (Only required if valve has special features, omitted if "") SS - 6 Stainless Steel external components Dimensions mm (inch) Torque cartridge in housing A Nm (5-4 ft lbs). S Nm (5-55 ft lbs). Cartridge drawing CV6-8, (.) Installation drawing (Steel) 8. (.) 9 (.75) 5,4 (.) hex 6.5 (.5) 5.8 (.) X Ø 7.4 (.8).875" 4 Thd.,7 (.5) (.7) (.75) (.87) (.75) (.5) Ø 5,8 (.6) -

32 RCV- - Check valve Restrictive check valve 76 L/min ( USgpm) 5 bar (5 psi) Description Operation Operation The RCV--P is a poppet This valve remains closed time the poppet lifts off the orifice in the free flow type, screw-in cartridge check This until valve the remains spring bias closed is time seat the and poppet allows lifts flow off from the port tive direction orifice is in adjustable. the free flow Description Operation valve with stroke limiter. until reached the spring at port bias at iswhich seat to and port allows. The flow effective from direction is adjustable. The RCV--P is a poppet reached This valve at remains port at closed which port time the to poppet port. The lifts effec- off the tive orifice in the free flow type, screw-in cartridge until the spring bias is seat and allows flow from direction is adjustable. check valve with stroke reached at port at which port to port. The effec- Functional symbol Functional Symbol RATINS Ratings AND and specifications limiter. SPECIFICATIONS Performance data is is typical with with fluid fluid at,8 at cst,8 (5 cst SUS) (5 and SUS) 49 C and ( F) 49 C ( F) Functional Symbol RATINS AND SPECIFICATIONS 47,65 " HEX Typical application pressure (all (all ports) ports) (.876) 5 bar 5 bar (5 (5 psi) psi) Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Cartridge fatigue pressure (infinite life) life) 5 bar 5 bar (5 (5 psi) psi) Typical application pressure (all ports) 5 bar (5 psi) Rated Rated flow flow 76 L/min 76 L/min ( USgpm) ( USgpm Cartridge fatigue pressure (infinite life) 5 bar (5 psi) Free Free flow flow L/min L/min (.5 (.5 USgpm) USgpm),, bar bar ( psi) ( psi) Rated flow 76 L/min,69 bar ( psi).875"-4 Thd. (,69 USgpm) bar ( psi) Free flow cracking L/min (.5 USgpm),8,,8 bar bar bar ( (( psi) psi) Sectional View,7 4 4,69,76,76 bar bar ( (4 (4 psi) psi) Sectional view (.49) 65,8 65 4,48 4,48 bar bar ( (65 (65 psi) psi) 6,9 6,9 bar ( bar ( psi) Sectional View 4 8,4 8,76,4 bar bar (8 bar (4 (8 psi) psi) 65 4,48 4,5 bar bar (65( psi) psi) 4,5 6,9 bar ( ( psi) Internal Internal leakage, Port to to 5 drops/min 5 drops/min Ø 5.8 maximum 8 bar bar ( bar (8 ( psi) psi) 4,5 bar ( psi) Temperature range -4 to -4 C to C (-4 (-4 to 48 F) to 48 F) Internal leakage, Port to 5 drops/min bar ( psi) Cavity Cavity C Temperature range -4 to C (-4 to 48 F) Fluids Fluids All general All purpose general purpose hydraulic hydraulic fluids fluids such such as as Cavity MIL H 566, MIL H 566, SAE, SAE SAE, SAE C,, etc. etc. 47,65 " HEX Fluids (.876) Filtration All general purpose Cleanliness hydraulic Cleanliness fluids code code such 8/6/ as MIL H 566, SAE, SAE, etc. Standard housing materials Aluminum Aluminum or steel or steel Filtration Cleanliness code 8/6/ Weight Weight cartridge cartridge only,, kg (.48 kg (.48 lbs) lbs) Standard housing materials Aluminum or steel Seal kit 5658 Buna N Weight Seal kit cartridge only,.875"-4 Thd kg 5658 (.48 Viton Buna N lbs) Viton Seal kit Viton is a registered trademark 5658 of E.I. Buna N DuPont, Viton (.49) Viton is a registered trademark of E.I. DuPont Pressure Drop Curves Flow - L/min (,8 cst 49 C) Cartridge only Pressure Pressure Drop drop Curves curves Flow - L/min (,8 cst 49 C) Ø 5.85 (.6) Cartridge Cartridge only only A - RCV * P 4 B RCV * 4 A - A RCV RCV * * P P A C B RCV RCV * * P 4 B - C RCV RCV * * P P 4 A C - RCV * P B C B 5 C 5 Flow - USgpm (5 SUS F) 5 5 Port to with fully open adjustment Flow - USgpm (5 SUS F) Port to with fully open adjustment Pressure Pressure Drop Drop - psi - psi Viton is a registered trademark of E.I. DuPont Pressure Pressure Drop Drop - bar - bar -

33 RCV- - Check valve Restrictive check valve 76 L/min ( USgpm) 5 bar (5 psi) RCV * P * ** *** Function RCV - Check valve with stroke limiter (Restrictive check valve) Size - size Seal N - Buna-N V - Viton 4 Style P - Poppet Dimensions mm (inch) Torque cartridge in housing A Nm (5-4 ft. lbs) S Nm (5-55 ft. lbs) 5 Block material - No housing A - Aluminum S - Steel 7 Free flow cracking pressure -, bar ( psi) (Anti-cavitation) -,69 bar ( psi) (Anti-cavitation) -,8 bar ( psi) 4 -,76 bar (4 psi) 65-4,48 bar (65 psi) - 6,9 bar ( psi) 8 -,4 bar (8 psi) - 4,5 bar ( psi) 47,65 (.876) 6 Port size Code Port size Housing number 8 Special features - None (Only required if valve has special features - omitted if ) " HEX Aluminum light duty Aluminum fatigue rated Steel fatigue rated B /8" BSPP T SAE T SAE 8-75 /4" BSPP /8" BSPP H SAE H SAE See section J for housing details..875"-4 Thd.,7 (.49) Ø 5.8 (.6) Aluminum housings can be used for pressures up to bar ( psi) Steel housings must be used for operating pressures above bar ( psi). -

34 CV6-6 - Check valve Direct acting, poppet type with orifice 5 L/min (4 USgpm) bar () psi Operation The poppet remains on its seat until the pressure drop across the orifice overcomes the spring force over the seat area. Full flow will then take place from port to. Flow from port to will be restricted by the orifice. Features Hardened and ground working parts extend service life. Robust design with a bar ( psi) max pressure rating. Compact simple solution in a single cartridge. Sectional view Performance data Ratings and specifications Description This is a poppet type screw-in cartridge check valve with a by-pass orifice. This will allow free flow into an actuator while restricting the flow out of it. Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) bar ( psi) Cartridge fatigue pressure (infinite life) bar ( psi) Rated flow 5 L/min (4 USgpm) Free flow cracking L/min (.5 USgpm) 5 -, bar ( psi) -,4 bar ( psi) -,7 bar ( psi) bar (4 psi) 5 -,45 bar (5 psi) bar ( psi) Orifice size range.5 to.5" ( mm) Temperature range 4 to C ( 4 to 48 F) Cavity C-6- Fluids All general purpose hydraulic fluids such as MIL - H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing material Aluminum Weight, cartridge only,6 kg (.58 lbs.) Seal kit 5658 (Buna-N) (Viton ) Viton is a registered trademark of E.I. DuPont Pressure drop Flow - L/min (,8 cst 49 C) Pressure Drop - psi A B C Pressure Drop - bar 4 Flow - USgpm (5 SUS F) Port to A CV6 6*P 5 C CV6 6*P 5 B CV6 6*P -4

35 CV6-6 - Check valve Direct acting, poppet type with orifice 5 L/min (4 USgpm) bar () psi Model code CV6 6 * P * *** *** *** Function CV6 - Check valve with bypass orifice Size 6-6 size Seal material N - Buna-N V - Viton 4 Style P - Poppet 5 Valve housing material - No housing A - Aluminum 6 Port size - Cartridge only 7 Free flow cracking pressure 5 -, bar (5 psi) (Anti-cavitation) -,4 bar ( psi) (Anti-cavitation) -,7 bar ( psi) 4 -,76 bar (4 psi) 5 -,45 bar (5 psi) - 6,9 bar ( psi) Code Port size Housing number 8 Orifice size Specify in thousandths of an inch Ø -.5 max Ø -.5 min Aluminum light duty Aluminum fatigue rated 6B /4" BSPP T SAE /" BSPP /4" BSPP H SAE H SAE Special features - None (Only required if valve has special features, omitted if "") Dimensions mm (inch) NNote: Torque cartridge in aluminum housing 8- Nm (8-9 ft. lbs). Cartridge drawing CV6-6.5" HEX,7 (.5) Installation drawing.7 (.5) 8.4 (.)."- Thd. 44,58 (.75) 6.5 (.5) 88.9 (.5). (.4) 68.8 (.688) 88.9 (.5) X 8.74 (.44).8 (.5) Ø 8,5 (.) -5

36 RCV- - Check valve Restrictive check valve 76 L/min ( USgpm) 5 bar (5) psi Description Description The RCV--P is a poppet The RCV--P is a poppet Description type, screw-in cartridge check type, valve screw-in with stroke cartridge limiter. check The RCV--P valve with is stroke a poppet limiter. type, screw-in cartridge check valve with stroke limiter. Functional Symbol symbol Functional Symbol Sectional View Sectional view Sectional View Operation Operation This valve remains closed time the poppet lifts off the orifice in the free flow This valve remains closed until the spring bias is time seat the and poppet allows flow lifts from off the port tive direction orifice is in adjustable. the free flow Operation until reached the spring at port bias at is which seat to and port allows. The effective flow from direction is adjustable. reached This valve at remains port at closed which port time the to poppet port. The lifts effec- off the tive orifice in the free flow until the spring bias is seat and allows flow from direction is adjustable. reached at port at which port to port. The effec- RATINS Ratings AND and specifications SPECIFICATIONS 47,65 " HEX (.876) Performance data is is typical typical with with fluid fluid at,8 at cst,8 (5 cst SUS) (5 and SUS) 49 C ( F) and 49 C ( F) RATINS AND SPECIFICATIONS 47,65 " HEX Typical Typical application pressure (all (all ports) ports) (.876) 5 5 bar bar (5 (5 psi) psi) Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Cartridge Cartridge fatigue fatigue pressure pressure (infinite (infinite life) life) 5 5 bar bar (5 (5 psi) Typical application pressure (all ports) 5 bar (5 psi) psi) Rated flow 76 L/min ( USgpm) Cartridge Rated flow fatigue pressure (infinite life).875"-4 Thd bar L/min (5 ( USgpm psi) Free flow cracking L/min (.5 USgpm), bar ( psi) Rated Free flow cracking L/min (.5 USgpm),7 76 L/min,69 ( bar, USgpm) ( bar ( psi) psi).875"-4 Thd.,69 bar ( psi) Free flow cracking L/min (.5 (.49) USgpm),8, bar,8 bar ( bar (( psi) psi),7 4 4,69,76,76 bar bar ( (4 (4 psi) psi) (.49) 65 65,8 4,48 4,48 bar bar ( (65 (65 psi) psi) 4 6,9,76 6,9 bar bar bar ( (4 ( psi) psi) 8 65,4 8 4,48,4 bar bar bar (8 (65 (8 psi) psi) Ø 5.8 (.6) 4,5 6,9 4,5 bar bar ( ( ( psi) psi) Internal leakage, Port to to 5 drops/min 5 drops/min bar ( psi) Ø 5.8 maximum 8 bar bar ( (8 psi) 4,5 bar ( psi) Temperature range -4-4 to C to C (-4 (-4 to to 48 F) Internal leakage, Port to 5 drops/min bar ( psi) Cavity Cavity C C Temperature 47,65 range -4 to C (-4 to 48 F) Fluids " HEX Fluids All general purpose hydraulic fluids such Cavity (.876) All general purpose hydraulic fluids such as as MIL H 566, MIL H 566, SAE SAE, SAE C, SAE,, etc. 47,65 etc. " HEX Filtration Fluids (.876) All general purpose Cleanliness hydraulic fluids code 8/6/ such as Filtration MIL H 566, Cleanliness SAE, SAE code, 8/6/ etc. Standard housing materials Aluminum or steel Filtration Standard housing materials Cleanliness Aluminum code 8/6/ or steel Weight cartridge only, kg (.48 lbs) Standard Weight cartridge housing only materials.875"-4 Thd. Aluminum, kg or (.48 steel lbs) Seal kit 5658 Buna N Weight,7 Seal kit cartridge only,5658 kg (.48 Buna N.875"-4 Thd Viton lbs) Seal (.49) kit Viton is a registered trademark of E.I. Buna N DuPont Viton Viton is a registered trademark of E.I. DuPont, Viton (.49) Viton is a registered trademark of E.I. DuPont Pressure Drop Curves Flow - L/min (,8 cst 49 C) Ø 5.8 (.6) Cartridge only Pressure Drop drop Curves curves Flow - L/min (,8 cst 49 C) Ø (.6) Cartridge only A - RCV * P 4 B - RCV * P 4 A A RCV RCV * * P A C - B RCV RCV * * P P B RCV * 4 A C RCV * P C - RCV * P B C B 5 C 5 Flow - USgpm (5 SUS F) 5 5 Port to with fully open adjustment Flow - USgpm (5 SUS F) Port to with fully open adjustment Pressure Pressure Drop Drop - psi - psi Pressure Pressure Drop Drop - bar - bar -6

37 RCV- - Check valve Restrictive check valve 76 L/min ( USgpm) 5 bar (5) psi RCV * P * ** *** Function RCV - Check valve with stroke limiter (Restrictive check valve) Size - size Seals N - Buna-N V - Viton 4 Style P - Poppet 5 Block material - No housing A - Aluminum S - Steel 7 Free flow cracking pressure -, bar ( psi) (Anti-cavitation) -,69 bar ( psi) (Anti-cavitation) -,8 bar ( psi) 4 -,76 bar (4 psi) 65-4,48 bar (65 psi) - 6,9 bar ( psi) 8 -,4 bar (8 psi) - 4,5 bar ( psi) 6 Port size Code Port size Housing number 8 Special features - None (Only required if valve has special features - omitted if ) Aluminum light duty Aluminum fatigue rated Steel fatigue rated B /8" BSPP T SAE T SAE 8-75 /4" BSPP /8" BSPP H SAE H SAE Dimensions mm (inch) Torque cartridge in housing A Nm (5-4 ft. lbs) S Nm (5-55 ft. lbs) 47,65 (.876) " HEX.875"-4 Thd.,7 (.49) Ø 5.8 (.6) Aluminum housings can be used for pressures up to bar ( psi) Steel housings must be used for operating pressures above bar ( psi). -7

38 SPC-8 - Check valve Pilot-to-open, poppet type 9 L/min (5 USgpm) 4 bar (5 psi) Operation Pressure on the valve port causes the poppet to lift against the spring force, allowing the flow to the cylinder port. Reverse flow is prevented by the poppet reseating. Pressure applied to the pilot port will overcome the cylinder port pressure and lift the poppet from its seat, allowing flow from the cylinder to valve port. Features Hardened and ground poppet gives excellent flow capability for valve size, positive sealing and long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. Fits the same cavity as the overcenter valves of a similar size. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) 4 bar (5 psi) Cartridge fatigue pressure (infinite life) 4 bar (5 psi) Rated flow 9 L/min (5 USgpm) Pilot ratio : Cracking pressure Internal leakage (all leak 4 bar (5 psi) Port to Port to unsealed piston* *Unsealed piston only supplied with 5 psi spring option Temperature range Cavity 5 -, bar 5 -,4 bar 65-4,5 bar (5 psi) (5 psi) (65 psi) 5 drops/min. maximum at 4 bar (5 psi) 4 cc/min. maximum, zero leakage with sealed piston 4 to C ( 4 to 48 F) C-8- Fluids All general purpose hydraulic fluids such as MIL - H-566, SAE, SAE, etc Recommended filtration Cleanliness code 8/6/ Standard housing materials Weight, cartridge only Aluminum or steel,7 kg (.5 lbs.) Seal kit -76 (Buna-N) -77 (Viton ) Viton is a registered trademark of E.I. DuPont Description Pilot check valves allow flow to pass in one direction, with a low pressure drop, then prevent reverse flow until pilot pressure is applied. There are many applications for this valve type, the most common being to lock and hold a cylinder, or another hydraulic actuator, in position. These valves are ideally suited for fitting directly into a cylinder, giving economy of installation, direct control of cylinder movement and ease of servicing. Pressure drop Flow - L/min (,8 cst 49 C) Pressure Drop - psi A 6 B 8 C 4 D 4 5 Flow - USgpm (5 SUS F) Pressure Drop - bar A CV6 6*P 5 B CV6 6*P C CV6 6*P 5-8

39 SPC-8 - Check valve Pilot-to-open, poppet type 9 L/min (5 USgpm) 4 bar (5 psi) Model code SPC 8 (X) P (*) ** ** SPC - Single pilot check valve Size 8-8 size Seals Blank - Buna-N V U W - Viton - Buna-N with no piston seals - Viton with no piston seals 4 Style P - Poppet 5 Valve body material Omit for cartridge only A - Aluminum S - Steel 6 Port size Code Port size Housing number 7 Cracking pressure 5 -, bar (5 psi) 5 -,4 bar (5 psi) 65-4,5 bar (65 psi) Aluminum fatigue rated Steel fatigue rated 4T SAE T SAE /4" BSPP /8" BSPP Special features - None (Only required if valve has special features, omitted if "") SS - 6 Stainless Steel external components Dimensions mm (inch) NNote: Torque cartridge in aluminum or steel housing to 4-4 Nm (5- ft lbs). Cartridge drawing Installation drawing (Steel) SPC-8, (.87) hex.75" 6 Thd. 8,5 (.) 5.5 (.6) 7.4 (.8) 9. (.6) 54. (.) (.65) 9.7 (.7) 4,4 (.6) 9. (.75) -Slots. (.) 56.9 (.4) 6.5 (.5) 9. (.75) Ø 4, (.559) Ø 5,8 (.6) Warning Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -9

40 SPC- - Check valve Pilot-to-open, poppet type L/min (6 USgpm) bar ( psi) Sectional view Operation Pressure on the valve port causes the poppet to lift against the spring force, allowing the flow to the cylinder port. Reverse flow is prevented by the poppet reseating. Pressure applied to the pilot port will overcome the cylinder port pressure and lift the poppet from its seat, allowing flow from the cylinder to valve port. Features Hardened and ground poppet gives excellent flow capability for valve size, positive sealing and long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. Fits the same cavity as the overcenter valves of a similar size. Performance data Description Pilot check valves allow flow to pass in one direction, with a low pressure drop, then prevent reverse flow until pilot pressure is applied. There are many applications for this valve type, the most common being to lock and hold a cylinder, or another hydraulic actuator, in position. These valves are ideally suited for fitting directly into a cylinder, giving economy of installation, direct control of cylinder movement and ease of servicing. Warning Do not use Single Pilot Check Valves in load holding applications where either overrunning loads are possible or load release speed is critical. Failure to observe these guidelines may result in bodily injury or damage to equipment. Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) bar ( psi) Cartridge fatigue pressure (infinite life) bar ( psi) Rated flow L/min (6 USgpm) Pilot ratio 4: Cracking L/min (.5 USgpm) 5-5 -,7 bar (5 psi),45 bar (5 psi) - 6,9 bar ( psi) Internal leakage Port to 5 drops/min. maximum at bar ( psi) Temperature range Cavity Fluids Pressure Drop - psi Pressure drop Flow - L/min (,8 cst 49 C) A SPC--P-- B SPC--P--5 A B 4 6 Flow - USgpm (5 SUS F) C D C SPC--P--5 D - Port to (piloted open) to C ( 4 to 48 F) Pressure Drop - bar C-- All general purpose hydraulic fluids such as MIL - H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing material Weight, cartridge only Seal kit (check valve) Viton is a registered trademark of E.I. DuPont Aluminum,8 kg (.8 lbs.) -567 (Buna-N) (Viton ) -4

41 SPC- - Check valve Pilot-to-open, poppet type L/min (6 USgpm) bar ( psi) Model code SPC (X) P ** *** Function SPC - Single pilot check valve Size - size Seal material Blank - Buna-N V - Viton U - Buna-N with no piston seals W - Viton with no piston seals 4 Style P - Poppet 5 Port size Code Port size Housing number Cartridge only Aluminum light duty Aluminum fatigue rated B /8" BSPP T SAE /4" BSPP /8" BSPP H SAE H SAE See section J for housing details. 6 Free flow cracking pressure 5 -,7 bar (5 psi) 5 -,45 bar (5 psi) - 6,9 bar ( psi) 7 Special features - None (Only required if valve has special features, omitted if "") SS - 6 Stainless Steel external components Dimensions mm (inch) Torque cartridge housing A Nm (5-4 ft. lbs). B Nm (5-55 ft. lbs). Cartridge drawing SPC- 5,4 (.) hex 8, (.) Installation drawing 4,6 (.97) 7.9 (.) Thd. 8,8 (.74) 57. (.5) X7,4 (.8) 4,8 (.7) 75,4 (.97) 46,8 (.84) 5 (.97) 9.5 (.8) 57.5 (.5) 75.4 (.97) 5,4 (.) Ø 5,8 (.6) Ø 7,4 (.684) Warning Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -4

42 4CK - Check valve Pilot-to-open, poppet type L/min (8 USgpm) 5 Bar (5 psi) Operation Pressure on the valve port causes the poppet to lift against the spring force, allowing the flow to the cylinder port. Reverse flow is prevented by the poppet reseating. Pressure applied to the pilot port will overcome the cylinder port pressure and lift the poppet from its seat, allowing flow from the cylinder to valve port. Features Hardened and ground poppet gives excellent flow capability for valve size, positive sealing and long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. Fits the same cavity as the overcenter valves of a similar size. Sectional view Pilot () Valve () Cyl () Description Pilot check valves allow flow to pass in one direction, with a low pressure drop, then prevent reverse flow until pilot pressure is applied. There are many applications for this valve type, the most common being to lock and hold a cylinder, or another hydraulic actuator, in position. These valves are ideally suited for fitting directly into a cylinder, giving economy of installation, direct control of cylinder movement and ease of servicing. Performance data Ratings and specifications Figures based on: Oil Temp = 4 C Viscosity = cst (5 SUS) Rated flow L/min (8 USgpm) Max setting 5 bar (5 psi) Pilot ratio : Cartridge material Working parts hardened & ground steel. Electroless zinc plated body. Standard housing material Standard aluminium (up to bar) Add suffix 77 for steel option Mounting position Unrestricted Cavity number A66 (See section M) Torque cartridge into cavity 45 Nm ( lbs ft) Weight 4CK 4CK5 4CKK5.8 kg.4 kg.76 kg (.8 lbs) (.75 lbs) (.67 lbs) Seal kit number SK4 (Nitrile) SK4V (Viton ) Recommended filtration level Operating temperature Leakage Nominal viscosity range Viton is a registered trademark of E.I. DuPont Pressure drop Pressurep - psi 5 Flow - L/min Free flow.5 7 Piloted open Flow - US gpm Pressure - bar BS554/4 Class 8/ (5 micron nominal) - C to +9 C (- to +94 F). milliliters/min nominal (5 dpm) 5 to 5 cst -4

43 4CK - Check valve Pilot-to-open, poppet type L/min (8 USgpm) 5 Bar (5 psi) Model code 4CK**** W S 4 5 4CK - Cartridge Only 4CK5 - Cartridge and Body 4CKK4 - Cartridges and Dual Body Pilot port size - Internal Port sizes Code Port size Housing number - body only Aluminium single Steel single Aluminium double Steel double W /8" BSP. /4" BSP Pilot Port B674 B8 B686 B8 6T /8" SAE. /4" SAE Pilot Port B56 B85 8T /" SAE. /4" SAE Pilot Port B B7 B8 Dimensions mm (inch) Cartridge only 4CK 7. (.8) max 4 Seals S - Nitrile (For use with most industrial hydraulic oils) SV - Viton (For high temperature and most special fluid applications) 4. A/F 5 Optional pilot seal Omit if not required Single valve /8", /" Ports 4CK5.5 (.45).8 (.5) 6. (.6) 6.5 (.4) 6.5 (.5). (.6) 9. (.5) 9. (.5) M x.5-6g 6. (.6) 6. (.6) 4. (.65) Pilot () holes Ø9. (.5) thro 9.5 (.56) Valve () Dual valve /8", /" Ports 4CKK4 Internally cross piloted.7 (.5) 7. (.76) 6.5 (.4) V V Cyl () 6.5 (.5) 57. (.4) C C NNote: For applications above bar ( psi) please consult our technical department or use the steel body option. 6. (.6).7 (.5) 9.8 (.9) 8. (.).6 (4.) holes Ø9. (.5) thro -4

44 4CK9 - Check valve Pilot-to-open, poppet type 9 L/min (4 USgpm) 5 bar (5 psi) Operation Pressure on the valve port causes the poppet to lift against the spring force, allowing the flow to the cylinder port. Reverse flow is prevented by the poppet reseating. Pressure applied to the pilot port will overcome the cylinder port pressure and lift the poppet from its seat, allowing flow from the cylinder to valve port. Features Hardened and ground poppet gives excellent flow capability for valve size, positive sealing and long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. Fits the same cavity as the overcenter valves of a similar size. Sectional view Pilot () Valve () Cyl () Description Pilot check valves allow flow to pass in one direction, with a low pressure drop, then prevent reverse flow until pilot pressure is applied. There are many applications for this valve type, the most common being to lock and hold a cylinder, or another hydraulic actuator, in position. These valves are ideally suited for fitting directly into a cylinder, giving economy of installation, direct control of cylinder movement and ease of servicing. Performance data Ratings and specifications Figures based on: Oil Temp = 4 C Viscosity = cst (5 SUS) Rated flow 9 L/min (4 USgpm) Max pressure 5 bar (5 psi) Pilot ratio 4: Cartridge material Working parts hardened and ground steel. Electroless zinc plated body. Standard housing material Standard aluminium (up to bar). Add suffix 77 for steel option. Mounting position Unrestricted Cavity number A6 (See Section M) Torque cartridge into cavity 9 Nm (66 lbs ft) Weight 4CK9.7 kg (.6 lbs) 4CK95. kg (.9 lbs) 4CKK95. kg (4.5 lbs) Seal kit number SK8 (Nitrile) SK8V (Viton ) Recommended filtration level Operating temperature Leakage Nominal viscosity range Viton is a registered trademark of E.I. DuPont Pressure drop Flow - L/min Piloted open Free flow Flow - US gpm Pressurep - bar BS554/4 Class 8/ (5 micron nominal) - C to +9 C (- to +94 F). milliliters/min nominal (5 dpm) 5 to 5 cst -44

45 4CK9 - Check valve Pilot-to-open, poppet type 9 L/min (4 USgpm) 5 bar (5 psi) Model code 4CK*** 4W S 4 5 4CK9 - Cartridge Only 4CK95 - Cartridge and Body 4CKK95 - Cartridges and Dual Body Pilot port sizes - Internal Port sizes Code Port size Housing number - body valves only 4 Seals S - Nitrile (For use with most industrial hydraulic oils) Aluminium single Steel single SV - Viton (For high temperature and most special fluid applications) Aluminium double Steel double 4W /" BSP /4" BSP Pilot Port B65 B66 C67 C68 8T /" SAE /4" SAE Pilot Port B86 B9 C87 C56 5 Optional pilot seal Omit if not required Dimensions mm (inch) Cartridge only 4CK9 Complete valve /" Ports 4CK95 8. (.5) 8.5 (.7) max. A/F 7. (.76) 6. (.4) 58. (.8) 8. (.7) 88.5 (.48) max 5. (.) Pilot () Valve M7 x.5-6g 8. (.5) Dual valve /" Ports 4CKK95 Internally Cross Piloted 9. (.75). (.9) 56. (.) 76. (.) holes Ø. (.4) thro 86.5 (.4) 4.5 (.59) 6. (.4) 7. (.76) 58. (.8) V C C V 88.5 (.48) max Cyl () 9. (.75). (.9) 7. (4.) N Note: For applications above bar ( psi) please consult our technical department. 8. (.5) 7. (5.) holes Ø. (.4) thro -45

46 4CKD9 - Check valve Pilot-to-open, poppet type with decompression stage 9 L/min (4 USgpm) 4 bar (6 psi) Sectional view Operation The ball and poppet are held onto their respective seats by spring force, ensuring positive sealing as long as the pressure on port is equal to or greater than the pressure on port. As soon as the pressure on port exceeds the pressure on port plus the spring force, the valve opens from to. In order to pass flow in the reverse direction, pilot pressure must be applied to port. Once this reaches the required level, the pilot piston acting on the pin in the Center of the poppet lifts the ball off its seat, enabling the fluid to decompress and thus reducing the load pressure acting on port. As the load pressure decreases, the pilot pressure required to open the main stage also decreases and when the correct pilot pressure is reached, the main stage poppet is lifted off its seat by the advancing pilot piston, allowing full flow from to. When calculating the pilot pressure, it must be remembered that any back pressure on port will cause this to increase on a : ratio. Features Decompression stage reduces hydraulic noise on rapid loss of pressure. Precision ground ball and hardened and ground poppet ensure positive sealing and long, trouble-free working life. This valve is directly interchangeable with the 4CK9 check valve and CE*9 series overcenter valve. Performance data Ratings and specifications Pilot () Figures based on: Oil Temp = 4 C Viscosity = cst (5 SUS) Rated flow Max pressure 9 L/min (4 USgpm) Cylinder Port 4 bar (6 psi) Ports & 5 bar (5 psi) Valve () Pilot ratio Cartridge material 5: decompression stage : main stage Working parts hardened and ground steel. Electroless nickel plated body. Standard Housing Material Standard aluminium (up to bar*). Add suffix "77" for steel option. Cyl () Mounting position Cavity number Unrestricted A6 Torque cartridge into cavity 9 Nm (66 lbs ft) Weight.4 kg (.54 lbs) Seal kit number SK986 (Nitrile) SK986V (Viton ) Recommended filtration level BS554/4 Class 8/ (5 micron nominal) Operating temperature - C to +9 C (- to +94 F) Leakage. milliliters/min nominal (5 dpm) Nominal viscosity range 5 to 5 cst Description A decompression pilot check can be used in most applications that use a standard pilot operated check. Free flow in one direction and load holding in the other. The decompression feature allows locked-in pressure to decay in a controlled fashion, reducing hydraulic noise and instability caused by the rapid loss of energy from the actuator. The valve is effective in clamping circuits and when used with intensifiers or when there are high load induced pressures. Viton is a registered trademark of E.I. DuPont Pressure drop Pressurep - psi Flow - L/min Piloted open Free flow Flow - US gpm Pressurep - bar -46

47 4CKD9 - Check valve Pilot-to-open, poppet type with decompression stage 9 L/min (4 USgpm) 4 bar (6 psi) Model code 4CK*** 4W S 4 5 4CKD9 - Cartridge only 4CKD95 - Cartridge and Body 4CKKD95 - Cartridges and Dual Body Pilot port sizes - Internal Port sizes Code Port size Housing number - body only 4 Seals S - Nitrile (For use with most industrial hydraulic oils) Aluminium single Steel single SV - Viton (For high temperature and most special fluid applications) Aluminium double Steel double 4W /" BSP /4" BSP Pilot Port B65 B66 C67 C68 8T /" SAE /4" SAE Pilot Port B86 B9 C87 C56 5 Optional pilot seal Omit if not required Dimensions mm (inch) Cartridge only 4CKD9 Complete valve /" Ports 4CKD95 8. (.5) 8.5 (.7) max.a/f 7. (.76) 6. (.4) 58. (.8) 8. (.7) 88.5 (.48) max Pilot () M7 x.5 8. (.5) 9. (.75). (.9) 56. (.) 76. (.) holes Ø. (.4) thro 5. (.) 7. (.8) min Valve () Complete valve /" Ports 4CKKD95 Internally cross piloted C V 86.5 (.4) 4.5 (.59) C V.5 (.48) Cyl () Ø. 6. (.4) 7. (.76) 58. (.8) V C C V 88.5 (.48) max NNote: For applications above bar ( psi) please consult our technical department or use the steel body option. NNote: Ensure cavity clears nose end of cartridge. 8. (.5) 9. (.75). (.9) 7. (4.) 7. (5.) holes Ø. (.4) thro -47

48 4CK - Check valve Pilot-to-open, poppet type L/min ( USgpm) 5 bar (5 psi) Operation Pressure on the valve port causes the poppet to lift against the spring force, allowing the flow to the cylinder port. Reverse flow is prevented by the poppet reseating. Pressure applied to the pilot port will overcome the cylinder port pressure and lift the poppet from its seat, allowing flow from the cylinder to valve port. Features Hardened and ground poppet gives excellent flow capability for valve size, positive sealing and long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. Fits the same cavity as the overcenter valves of a similar size. Sectional view Optional external pilot post Pilot () Valve () Cyl () Performance data Ratings and specifications Figures based on: Oil Temp = 4 C Viscosity = cst (5 SUS) Rated flow L/min ( USgpm) Max pressure 5 bar (5 psi) Pilot ratio : Cartridge material Working parts hardened and ground steel. Zinc plated body. Standard housing material Standard aluminium (up to bar). Add suffix 77 for steel option. Mounting position Unrestricted Cavity number A877 (See Section M) Torque cartridge into cavity Nm (74 lbs ft) Weight 4CK 4CK5 4CKK5.8 kg (.6 lbs).5 kg (.54 lbs).96 kg (4. lbs) Seal kit number SK8 (Nitrile) SK8V (Viton ) Recommended filtration level Operating temperature Leakage Nominal viscosity range Viton is a registered trademark of E.I. DuPont BS554/4 Class 8/ (5 micron nominal) - C to +9 C (- to +94 F). milliliters/min nominal (5 dpm) 5 to 5 cst Description Pilot check valves allow flow to pass in one direction, with a low pressure drop, then prevent reverse flow until pilot pressure is applied. There are many applications for this valve type, the most common being to lock and hold a cylinder, or another hydraulic actuator, in position. These valves are ideally suited for fitting directly into a cylinder, giving economy of installation, direct control of cylinder movement and ease of servicing. Pressure drop Flow - L/min Pressure - psi Piloted open 6 Free flow Flow - US gpm Pressure - bar -48

49 4CK - Check valve Pilot-to-open, poppet type L/min ( USgpm) 5 bar (5 psi) Model code 4CK**** 6W S 4 5 4CK - Cartridge Only 4CK5 - Cartridge and Body 4CKK5 - Cartridges and Dual Body Pilot port sizes Code Port size Internal W /4" BSP (External Pilot). Omit for bodied valves 4T /4" SAE (External Pilot). Omit for bodied valves 4 Seals S - Nitrile (For use with most industrial hydraulic oils) SV - Viton (For high temperature and mos special fluid applications) Port sizes - bodied valves only Code Port size Housing number - body only Aluminium single Steel single Aluminium double Steel double 6W /4 BSP /4 BSP Pilot Port B6898 B5544 C54 C T /4 SAE /4 SAE Pilot Port B8 C69 C644 6T SAE /4 SAE Pilot Port B78 B84 5 Optional pilot seal Omit if not required Dimensions mm (inch) Cartridge only 4CK Complete valve /4", /" Ports 4CK5 holes Ø.5 (.4) thro 7. (.46).6 (.4) 5. (.59) max 8. A/F.6 (4.) 76. (.99) 7. (4.6) max -5/6- UN-A 5.8 (.) 5.4 (.). (.5) 44. (.7) 8. (.7) 55.5 (.9) Pilot () Complete valve /4" Ports 4CKK5 Internally cross piloted C C Valve () 9. (.6) V 5.6 (.) V 8. (.) Cyl () NNote: For applications above bar ( psi) please consult our technical department or use the steel body.. (4.4) 76. (.) 7. (5.) max 7. (.46).6 (.8) V C 8.6 (.5).6 (4.) V C 5. (.97) holes Ø9. (.5) thro -49

50 4CK - Check valve Pilot-to-open, poppet type L/min (8 USgpm) 5 bar (5 psi) Operation Pressure on the valve port causes the poppet to lift against the spring force, allowing the flow to the cylinder port. Reverse flow is prevented by the poppet reseating. Pressure applied to the pilot port will overcome the cylinder port pressure and lift the poppet from its seat, allowing flow from the cylinder to valve port. Features Hardened and ground poppet gives excellent flow capability for valve size, positive sealing and long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. Fits the same cavity as the overcenter valves of a similar size. Sectional view Performance data Pilot () Valve () Cyl () Ratings and specifications Figures based on oil temp of 4 C and viscosity of cst (5 SUS) Rated flow L/min (8 USgpm) Max pressure 5 bar (5 psi) Pilot ratio : Cartridge material Working parts hardened and ground steel. Zinc nickel plated body. Standard housing material Standard aluminium (up to bar). Add suffix 77 for steel option. Mounting position Unrestricted Cavity number A695 (See Section M) Torque cartridge into cavity 5 Nm ( lbs ft) Weight 4CK 4CK5.8 kg (.6 lbs).5 kg (.54 lbs) 4CKK5.96 kg (4. lbs) Seal kit number Recommended filtration level Operating temperature Leakage Nominal viscosity range Viton is a registered trademark of E.I. DuPont SK68 (Nitrile) SK68V (Viton ) BS554/4 Class 8/ (5 micron nominal) - C to +9 C (- to +94 F).5 milliliters/min nominal (5 dpm) 5 to 5 cst Description Pilot check valves allow flow to pass in one direction, with a low pressure drop, then prevent reverse flow until pilot pressure is applied. There are many applications for this valve type, the most common being to lock and hold a cylinder, or another hydraulic actuator, in position. These valves are ideally suited for fitting directly into a cylinder, giving economy of installation, direct control of cylinder movement and ease of servicing. Pressure drop Flow - L/min Free flow Pilot open Flow - US gpm Pressure - psi Pressure - bar -5

51 4CK - Check valve Pilot-to-open, poppet type L/min (8 USgpm) 5 bar (5 psi) Model code 4CK**** W S 4 5 4CK - Cartridge Only 4CK5 - Cartridge and Body 4CKK5 - Cartridges and Dual Body Pilot port size - Internal Port sizes Code Port size Housing number - body only 4 Seals S - Nitrile (For use with most industrial hydraulic oils) Aluminium single Steel single SV - Viton (For high temperature and most special fluid applications) Aluminium double Steel double W /4 BSP /4 BSP Pilot Port B684 B86 C874 C875 T /4 SAE /4 SAE Pilot Port B6 B474 C8 C564 5 Optional pilot seal Omit if not required Dimensions mm (inch) Cartridge only 4CK Single valve /4" Ports 4CK5. (.) max 47.8 A/F.5 (.9).6 (4.).5 (.4) 8. (.5) 49. (.9) 5. (5.) max -5/8- UN-A.8 (.5) 6.5 (.5) holes Ø.5 (.4) thro 8. (.5) 97. (.8) 8.5 (.) 69.5 (.74) Pilot () Dual valve /4" Ports 4CKK5 Internally Cross Piloted C C Valve () (.) (.5) holes Ø. (.4) thro. (.4) 49. (.9) V V Cyl () 8. (.5).6 (4.) V V 5. (5.) max NNote: For applications above bar ( psi) please consult our technical department or use the steel body. 57. (.4) 97. (.8). (.6) C C 95. (.74) 7. (5.) -5

52 4CK Series - Check valve Alternative body arrangements for to liters/min valves Model code 4CK**** W S 4 4CK6 - Cartridge and Body Through Ported 4CBK5 - Cartridge and Body Banjo Mounted 4CK5 - Cartridge and Body asket Mounted 4CKK5 - Cartridge and Dual Body 4CK56 - Cartridge and Body Through Ported 4CBK5 - Cartridge and Body Banjo Mounted 4CK5 - Cartridge and Body asket Mounted 4CK56 - Cartridge and Body Through Ported 4CK5 - Cartridge and Body asket Mounted Seals S - Nitrile (For use with most industrial hydraulic oils) SV - Viton (For high temperature and most special fluid applications) 4 Optional pilot seal - Required Omit if not required Port sizes Code Port size Housing number Aluminium Steel Aluminium Aluminum Steel Aluminum Steel 4CK Cartridge Through Ported Banjo asket Mounted Cross Piloted Body - Only Mounted Sub- Assembly Sub-Assembly Sub-Assembly W /8" BSP B54 B54 AXP67-W-S BXP6-W-S - BXP447-W-S BXP447-W-S-77 6T /8" SAE BXP447-6T-S-77 4CK Cartridge 6W /4" SAE B69 B6 AXP565-6W-S BXP64-6W-S BXP64-6W-S-77 4CK Cartridge W /4" BSP C67 C68 CXP647-W-S CXP647-W-S-77 Complete valves - 4CK cartridge, /8" ports Complete valve Through ported 4CK6 holes Ø (.) 8. (.8) 6. (.) thro (.6) 6. (.4) 54. (.) 64. (.5) C 6. (.6) V V 6. (.) V V 5.8 (.) C C 7. (.76) Complete valve Banjo mounted 4CBK5.8 (.5).5 (.45) 6. (.6) 59. (.) max.5 (.4) /4 BSP 6.5 (.5) 6. (.) 5. (.) ) Complete valve asket mounted 4CK5 Complete valve Internally cross piloted 4CKK5.5 (.45) 6. (.) 6. (.4) 5.8 (.) (.5) (.) 76. (. C 56. (.) C V 7. (.8) 6. (.6) holes Ø9. (.5) thro.. (.79) (.79). (.8) 6. (.6) 6. (.6).8 (.5) 45.7 (.8) 5. (.59) 5.8 (.4) C C V holes Ø9. (.5) thro -5

53 4CK Series - Check valve Alternative body arrangements for to liters/min valves Complete valves - 4CK cartridge, /4" ports Complete valve Through Ported 4CK56 holes Ø9. (.5) thro 8. (.) 9.6 (.8) 76. (.) Complete valve Banjo Mounted 4CBK5 5. (.97) NNote: For applications above bar please consult our technical department or use the steel body 7. (.67) (.5).8) C V V 9. (.54) 6.5 (.44) 9. (.54). (.4) 5. (.98) 6.5 (.44) 8. (.5) 5.4 (.) 76. (.99) max 8. (.5) 76. (.).6 4.) SAE 6 PSI Flange ports - 4CK cartridge, /4" ports Complete valve asket Mounted 4CK5 6.5 (.44).6 (4.) 7. (.67) 76.5 (.).9 (.47) 5.8 (.) 5.8 (.) 5.4 (.) 5.4 (.).9 (.47) 4 holes Ø. (.4) thro 45. (.77) 8. (.7) Complete valves - 4CK cartridge, /4" ports SAE 6 PSI Flange ports - 4CK cartridge, /4" ports Complete valve Through ported 4CK56 holes Ø. (.4) thro. 7. (4.) (.9) 5. (4.) 9. (.54). (.8) C V (.9) 98. (.86) 7. (5.) V 5. (.9) max V V.6 (4.) C. (4.7) C Complete valve asket Mounted 4CK5 49. (.9) 47. (.86) 4 holes Ø5. (.59) thro 5.9 (.6) 5.9 (.6).4 (.) 98. (.86) 45. (.77).4 (.).5 (.89) 7. (5.) 47. (.86) 75.5 (.97) -5

54 4SK - Check valve Pilot-to-open, poppet type L/min (8 USgpm) 5 bar (5 psi) Sectional view Operation Pressure on the valve port causes the poppet to lift against the spring force, allowing the flow to the cylinder port. Reverse flow is prevented by the poppet reseating. Pressure applied to the pilot port will overcome the cylinder port pressure and lift the poppet from its seat, allowing flow from the cylinder to valve port. Features Hardened and ground poppet gives excellent flow capability for valve size, positive sealing and long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. Fits the same cavity as the overcenter valves of a similar size. Performance data Ratings and specifications Pilot () Figures based on oil temperature of 4 C and viscosity of cst (5 SUS) Rated flow L/min (8 USgpm) Maximum pressure 5 bar (5 psi) Pilot ratio : and 5: Cartridge material Working parts hardened and ground steel. Zinc plated body. Mounting position Unrestricted Valve () Cavity number Torque cartridge into cavity A9-TA 45 Nm ( lbs ft.) Weight.8 kg (.9 lbs) Cyl () Seal kit number Recommended Filtration level SK79 SK79V (Nitrile) (Viton ) BS554/4 Class 8/ (5 micron nominal) Operating temperature to +9 C (- to +94 F) Leakage. ml/min nominal Nominal viscosity range 5 to 5 cst Viton is a registered trademark of E. I. DuPont Description Pilot check valves allow flow to pass in one direction, with a low pressure drop, then prevent reverse flow until pilot pressure is applied. There are many applications for this valve type, the most common being to lock and hold a cylinder, or another hydraulic actuator, in position. These valves are ideally suited for fitting directly into a cylinder, giving economy of installation, direct control of cylinder movement and ease of servicing. Pressure drop Pressurep - psi 5 Flow - L/min Free flow.5 7 Piloted open Flow - US gpm Pressure - bar -54

55 4SK - Check valve Pilot-to-open, poppet type L/min (8 USgpm) 5 bar (5 psi) Model code 4SK S 4 4SK - Complete valve Pilot ratio - : 5-5: Seals S - Nitrile (for use with most industrial hydraulic oils) SV - Viton (for high temperature & most special fluid applications) 4 Optional pilot seal Omit if not required Dimensions mm (inch) Cartridge only 4SK Cavity Form Drill Form Reamer A9-TA TD-A TRA Ø.75 (.5) Min optional drill Ø for socket clearance. (.8) 9. (.75). A/F.8 (.94) Ref.87 (.86) Ø.8 (.859) -A- M x.5-6h 8. (.7) 45º.6 (.6).6 (.6) Ø5.4 (.). (.8) Ø. (.85) Ø.68 (.84).6 (.8) Ø.7 (.4) º 7.48 (.69) min depth. L.S. 4.8 (.7) M x.5 thread Location shoulder. 4.8 (.6) R (.85) (.8) 5.5 (.79).96 (.6).7 (.5) min full thread.5 (.) x 45º max Ø.49 (.5) 7.5 (.688) Ø 7.45 (.687).6 (.6) Ø7.48 (.69) 45º R (.) 8.6 (.7) (.7) Ø 8.54 (.79).5 A Thread and all diameters.8 (.86) -55

56 4SK9 - Check valve Pilot-to-open, poppet type 9 L/min (4 USgpm) 5 Bar (5 psi) Sectional view Operation Pressure on the valve port causes the poppet to lift against the spring force, allowing the flow to the cylinder port. Reverse flow is prevented by the poppet reseating. Pressure applied to the pilot port will overcome the cylinder port pressure and lift the poppet from its seat, allowing flow from the cylinder to valve port. Features Hardened and ground poppet gives excellent flow capability for valve size, positive sealing and long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. Fits the same cavity as the overcenter valves of a similar size. Performance data Ratings and specifications Figures based on oil temperature of 4 C and viscosity of cst (5 SUS) Rated flow 9 L/min (4 USgpm) Pilot () Maximum pressure 5 bar (5 psi) Pilot ratio 4: Cartridge material Working parts hardened and ground steel. Zinc plated body Mounting position Unrestricted Cavity number A9-TA Valve () Torque cartridge into cavity Weight 6 Nm (44 lbs. ft.).9 kg (.86 lbs.) Seal kit number SK9 (Nitrile) SK9V (Viton ) Cyl () Recommended Filtration level Operating temperature BS554/4 Class 8/ (5 micron nominal) C to +9 C (- to +94 F) Leakage. ml/min nominal (5 dpm) Nominal viscosity range 5 to 5 cst Viton is a registered trademark of E. I. DuPont Description Pilot check valves allow flow to pass in one direction, with a low pressure drop, then prevent reverse flow until pilot pressure is applied. There are many applications for this valve type, the most common being to lock and hold a cylinder, or another hydraulic actuator, in position. These valves are ideally suited for fitting directly into a cylinder, giving economy of installation, direct control of cylinder movement and ease of servicing. Pressure drop Pressurep - psi Flow - L/min Piloted open Free flow Flow - US gpm Pressurep - bar -56

57 4SK9 - Check valve Pilot-to-open, poppet type 9 L/min (4 USgpm) 5 Bar (5 psi) Model code 4SK9 4 S 4 4SK9 - Complete valve Pilot ratio 4-4: Seals S - Nitrile (for use with most industrial hydraulic oils) SV - Viton (for high temperature & most special fluid applications) 4 Optional pilot seal Omit if not required Dimensions mm (inch) Cartridge only 4SK9 Cavity Form drill Form reamer A9-TA TD-A TR-A 4. (.65) 8.6 A/F.5 A Thread and all diameters -A-.6 (.6).6 (.6) Ø8. (.5) Ø. (.) 7.4 (.79) Ø 7.8 (.77) 6.4 (.) Ø 6.9 (.) 6.67 (.5) Ø 6.77 (.5) Min optional drill Ø for socket clearance º. L.S. 4.9 (.7). (.8) Thread -4UNS (.78) -4UNS-B.6 (.6) º (.69) 6.59 (.5) 5.4 (.87) 5. (.8).96 (.6) 5.88 (.6) Min full thread. (.) x 45º max Ø7.48 (.69).8 (.877) Ø. (.875).8 (.97) Ø.7 (.9).6 (.6) Ø9.5 (.8) Ø5.88 (.6) 45º 5.56 (.) 8.6 (.7) R (.) Ref 8.6 (.7) min Locating shoulder 7. (.7) NNote: For applications above bar ( psi) please consult our technical department or use the steel body. -57

58 4SK4 Series - Check valve Pilot-to-open, poppet type 4 L/min (7 USgpm) 5 bar (5 psi) Sectional view Operation Pressure on the valve port causes the poppet to lift against the spring force, allowing the flow to the cylinder port. Reverse flow is prevented by the poppet reseating. Pressure applied to the pilot port will overcome the cylinder port pressure and lift the poppet from its seat, allowing flow from the cylinder to valve port. Features Hardened and ground poppet gives excellent flow capability for valve size, positive sealing and long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. Fits the same cavity as the overcenter valves of a similar size. Performance data Ratings and specifications Figures based on oil temperature of 4 C and viscosity of cst (5 SUS) Rated flow 4 L/min (7 USgpm) Maximum pressure 5 bar (5 psi) (P) Pilot ratio : Cartridge material Working parts hardened and ground steel. Zinc plated body. Mounting position Unrestricted Cavity number A94-T7A (V) Torque cartridge into cavity Weight Seal kit number Nm (5 lbs. ft.).44 kg (.96 lbs.) SK6 SK6V (Nitrile) (Viton ) Recommended filtration level BS554/4 Class 8/ (5 micron nominal) Operating temperature C to +9 C (- to +94 F) (C) Leakage Nominal viscosity range. ml/min nominal (5 dpm) 5 to 5 cst Viton is a registered trademark of E. I. DuPont Description Pilot check valves allow flow to pass in one direction, with a low pressure drop, then prevent reverse flow until pilot pressure is applied. There are many applications for this valve type, the most common being to lock and hold a cylinder, or another hydraulic actuator, in position. These valves are ideally suited for fitting directly into a cylinder, giving economy of installation, direct control of cylinder movement and ease of servicing. Pressure drop Flow - L/min Pressure - psi Free flow Piloted open Flow - US gpm 5 5 Pressure - bar -58

59 4SK4 Series - Check valve Pilot-to-open, poppet type 4 L/min (7 USgpm) 5 bar (5 psi) Model code 4SK4 S 4 Function 4SK4 - Complete valve Pilot ratio - : Seals S - Nitrile (for use with most industrial hydraulic oils) SV - Viton (for high temperature and most special fluid applications) 4 Optional pilot seal Omit if not required Dimensions mm (inch) Cartridge only 4SK4 Cavity Form drill Form reamer A94-T7A TD-7A TR-7A.75 A/F 46. (.8) Thread and all diameters.5 A All seal lead-ins to be smooth and free of nicks and sharp edges -A- M6 x.-6h. (.88) 45º R.8 Ø44.45 (.75) 9.7 (.564) Ø 9.67 (.56).6 (.6).6 (.6) 7.9 (.468) Ø 7.4 (.47) 6.58 (.44) Ø 6.5 (.48) º. (.9) min depth. (P) Locating 4.78 shoulder (.9).. Ø4.7 (.56) (.8) (.44) (.) (.8) 7.48 (.69) Min full thread 45º Ø. (.88) M6x. 45º (V) 46. (.8) Ø5.4 (.).8 (.5) Ø.75 (.5) 4. (.46) Ø 4. (.4).6 (.6) R.8 (C) -59

60 DPC-8 - Check valve Dual, pilot-to-open, poppet type 9 L/min (5 USgpm) 4 bar (5 psi) 4 Sectional view Operation The valve allows flow from port to port or from port to port 4 when the spring bias is overcome. Flow is blocked from ports 4 to and from to until pilot pressure is applied to ports and respectively. Performance data Ratings and specifications Features Hardened and ground poppets to give minimal internal leakage and long life. Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) Cartridge fatigue pressure (infinite life) Rated inlet flow 4 bar (5 psi) 4 bar (5 psi) 9 L/min (5 USgpm) 4 Pilot ratio : Maximum internal leakage Ports to and to : Ports 4 to and to : Free flow cracking L/min (.5 USgpm) 4 cc/min. (8.5 4 bar (5 psi) 5 4 bar (5 psi),7 bar (5 psi) Temperature range 4 to C ( 4 to 48 F) Cavity Fluids C-8-4 All general purpose hydraulic fluids such as MIL - H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing material Aluminum or steel Weight, cartridge only Seal kit,8 kg (.8 lbs.) -787 Urethane Description This is a dual pilot-to-open check valve ideal for stabilizer cylinders fitting directly into the cylinder reducing pipework to a minimum. Pressure drop Flow - L/min (,8 cst 49 C) 5 5 Pressure - psi B A 5 5 Pressure - bar 4 5 Warning Do not use Pilot-to-Open Check Valves in load holding applications where either overrunning loads are possible or load release speed is critical. Failure to observe these guidelines may result in bodily injury or damage to equipment. A Port to Port B Port to Port 4 Flow in USgpm (5 SUS F) -6

61 DPC-8 - Check valve Dual, pilot-to-open, poppet type 9 L/min (5 USgpm) 4 bar (5 psi) Model code DPC 8 U A 5 * ** Function DPC - Dual pilot operated check Size 8-8 size Seal material U - Urethane 4 Pilot leakage A - Standard 5 Crack pressure 5 -,7 bar (5 psi) 6 Body Omit for cartridge only A - Aluminum S - Steel 7 Port size Code Port size Housing number 8 Special features - None (Only required if valve has special features, omitted if "") Aluminium fatigue rated Steel fatigue rated Cartridge only /4" BSPP /8" BSPP T SAE T SAE See section J for housing. Dimensions mm (inch) NNote: Torque cartridge in Aluminum or Steel housing to 4-4 Nm (5- ft. lbs). Cartridge only 4SK4. (.875) Hex Installation drawing (Steel) 9. (.75) 8.6 (.4) 5.5 (.6) 9. (.75) /4-6 UNF-A (.4) 55.9 (.) 9.8 (.7) 8. (.5) 7 (.88) 8.6 (.5). (.) (.8) 57.5 (.5) -Slots 44. (.7).6 (.49) 4. (.56) 5.8 (.6) Warning Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -6

62 4CKKT - Check valve Dual, pilot-to-open with thermal relief 5 L/min (6.6 USgpm) bar (45 psi) 4 Sectional view Operation Pressure on the valve port causes the poppet to lift against the spring force, allowing the flow to the cylinder port. Reverse flow is prevented by the poppet reseating. Pressure applied to the pilot port will overcome the cylinder port pressure and lift the poppet from its seat, allowing flow from the cylinder to valve port. In dual pilot check valves, each pilot section is cross connected to the opposite line giving automatic pilot operation in both directions. When the pressure in C rises above the setting of the relief valve, the relief valve will open, allowing flow to the V port, relieving pressure on the cylinder. Features Hardened and ground poppet gives excellent flow capability for valve size, positive sealing and long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. Performance data Ratings and specifications Figures based on oil temperature of 4 C and viscosity of cst (5 SUS) Rated flow 5 L/min (6.6 USgpm) Maximum pressure bar (45 psi) Pilot ratio : 4 Cartridge material Standard housing material Working parts hardened and ground steel. Electroless zinc plated body. Standard aluminum (up to bar). Add suffix "77"' for steel option. Mounting position Unrestricted Cavity number A744 (See Section M) Torque cartridge into cavity Nm ( lbs. ft.) Weight Seal kit number 4CKKT5.8 kg (.8 lbs) 4CKKT55.4 kg (.75 lbs) SK (Nitrile) SKV (Viton )) Recommended filtration level BS554/4 Class 8/ (5 micron nominal) Operating temperature to +9 C (- to +94 F) Leakage C - V. ml/min nominal (5 dpm) C - V. ml/min nominal (5 dpm) Nominal viscosity range 5 to 5 cst Viton is a registered trademark of E. I. DuPont Description Pilot check valves allow flow to pass in one direction, with a low pressure drop, then prevent reverse flow until pilot pressure is applied. There are many applications for this valve type, the most common being to lock and hold a cylinder, or another hydraulic actuator, in position. A pilot relief valve will protect the cylinder and hoses from thermal expansion of the hydraulic fluid. The maximum flow through the relief is.l/min. Pressure drop Flow - L/min Pressure - psi 6 V-C 45 V-C Flow - US gpm Free flow Pressure - bar Pressure - psi Flow - L/min C-V C-V Flow - US gpm Piloted open Pressure - bar -6

63 4CKKT - Check valve Dual, pilot-to-open with thermal relief 5 L/min (6.6 USgpm) bar (45 psi) Model code 4CKKT** W S CKKT5 - Cartridge only 4CKKT55 - Cartridge and body Port size - bodied valves only Code Port size Housing number Aluminium dual W /8" BSP B94 6T /8" SAE B94 4W /" BSP B98 8T /" SAE B99 Pilot Ratio - : 4 Seals S - Nitrile (For use with most industrial hydraulic oils SV - Viton (For high temperature and most special fluid applications) 5 Optional Pilot Seal - Standard Omit if not required 6 Pressure Setting 4-4 bar (5 psi) 8-8 bar (4 psi) 5-5 bar (5 psi) Description mm (inch) Cartridge only 4CKKT5 5.4 A/F ( A/F) 8. (.7) Dual valve /8" Ports 4CKKT55 Internally Cross -Piloted 8.5 (.7) 8. (.7) 7/8-4-UNF 4.5 (.9) 4 7. (.88) 5.5 (.99) 8.6 (.5) 4(C) (V) 68. (.68) (.5) (.5) 5.8 (.) holes Ø7. (.8) thro 6. (.6).8 (.5) (V) NNote: For applications above bar ( psi) please consult our technical department or use the steel body option. (C) -6

64 4KD5 - Check valve Pilot-to-open with decompression stage 5 L/min (6 USgpm) 7 bar ( psi) Operation In free flow direction, flow through inlet unseats the poppet and flows out of the cylinder port. When the control valve is centered the load is locked. When pilot pressure is applied the piston unseats the small poppet in the center of the main poppet. Flow through this small seat area lowers the load or locked pressure (decompression stage). With load pressure reduced the main poppet is then piloted fully open allowing reverse flow. Features Decompression feature for low pilot pressure requirements and to reduce hydraulic noise on rapid loss of pressure. Sectional view Performance data Ratings and specifications Pilot () Figures based on oil temperature of 4 C and viscosity of cst (5 SUS) Rated flow 5 L/min (6 USgpm) Valve () Cyl () Maximum pressure Pilot ratio Body material 7 bar ( psi) Cylinder Port 4 bar ( psi) Pilot Port 5: Decompression 4: Full Flow Steel Mounting position Line mounted Weight Seal kit number.8 kg (.8 lbs.) SK6 (Nitrile) SK6V (Viton ) Recommended filtration level BS554/4 Class 8/ (5 micron nominal) Operating temperature to +9 C (- to +94 F) Nominal viscosity range 5 to 5 cst Viton is a registered trademark of E. I. DuPont Description Used to lock a cylinder or part of a circuit and prevent reverse flow until pilot pressure is applied. For use in high pressure, low flow circuits and circuits requiring decompression. Can be used in conjunction with the T6 pressure intensifier. See page J-4. Pressure drop Flow - L/min Pressure - psi 87 Free flow 58 Piloted open Pressure - bar Flow - US gpm -64

65 4KD5 - Check valve Pilot-to-open with decompression stage 5 L/min (6 USgpm) 7 bar ( psi) Model code 4KD5 N W S 4 5 4KD5 - Complete valve Adjustment means N - Fixed Port sizes - bodied valves only W - /4" BSP 4 Seals S - Nitrile (for use with most industrial hydraulic oils) SV - Viton (for high temperature and most special fluid applications) 5 'O' Ring on pilot piston - Standard Omit if not required Dimensions mm (inch) Complete valve /4" Ports 4KD5 8. (.) 8. (.) 6. (.6).7 (.5) 57. (.4) 8.5 (.) 7.5 (.8) 7. (.46) 6. (.48) holes Ø9. (.5) thro 76. (.) -65

66 5CK - Check valve Pilot-to-close. ball type L/min (8 USgpm) 5 bar (5 psi) Operation Pressure on the cylinder port causes the ball to lift against the spring force, allowing flow through to the valve port. Reverse flow is prevented by the ball reseating. Pressure applied to the pilot port will hold the ball against its seat, preventing flow from cylinder to valve. Features Easy flow path gives good pressure to flow characteristics and hardened components ensure a long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. They fit the same cavities as the 4CK pilot-to-open check valves, so care should be taken when selecting the valve. Sectional view Performance data Pilot () Valve () Cyl () Ratings and specifications Figures based on oil temperature of 4 C and viscosity of cst (5 SUS) Rated flow L/min (8 USgpm) Maximum pressure 5 bar (5 psi) Pilot ratio : Cartridge material Working parts hardened and ground steel. Zinc nickel plated body. Standard housing material Standard aluminum (up to bar). Add suffix"77" for steel option Mounting position Unrestricted Cavity number A66 (See Section M) Torque cartridge into cavity 45 Nm ( lbs. ft.) Weight.8 kg (.8 lbs) Seal kit number SK89 (Nitrile SK89V (Viton ) Recommended Filtration level BS554/4 Class 8/ (5 micron nominal) Operating temperature to +9 C (- to +94 F) Leakage. ml/min nominal (5 dpm) Nominal viscosity range 5 to 5 cst Viton is a registered trademark of E. I. DuPont Description Pilot to close check valves allow flow to pass in one direction, with a low pressure drop to prevent reverse flow. When the pilot pressure is applied, flow is prevented in either direction. The pilot ratio of : allows a lower pressure in the pilot line to hold the valve closed. The 5CK series are check cartridges ideally suited for fitting directly onto a cylinder. They are ideal for use in regenerative circuits, accumulator dump circuits and in control of cylinders or motors. Pressure drop Flow - L/min Pressure - psi Free flow Flow - US gpm Pressure - bar -66

67 5CK - Check valve Pilot-to-close. ball type L/min (8 USgpm) 5 bar (5 psi) Model code 5CK*** W S 4 5 5CK - Cartridge only 5CK5 - Cartridge & body Pilot port size - Internal Omit for line valves Port size - bodied valves only Code Port size Housing number Aluminum Steel W /8" BSP /4" BSP Pilot Port B674 B8 6T /8" SAE /4" SAE Pilot Port B56 8T /" SAE /4" Pilot Port B8 4 Seals S - Nitrile (for use with most industrial hydraulic oils) SV - Viton (for high temperature and most special fluid applications) 5 Pilot ratio - : Dimensions mm (inch) Cartridge only 5CK Single valve /8", /" Ports 5CK5 7. (.8) max 4. A/F.5 (.45.8 (.5) 6. ( (.4) 6.5 (.5). (.6) 9. (.5) 9. (.5) 9.5 (.56) Pilot () M x.5-6g 6. (.6) 6. (.6) holes Ø9. (.5) thro 4. (.65) Valve () Cyl () NNote: For applications above bar ( psi) please consult our technical department or use the steel body option. -67

68 5CK - Check valve Pilot-to-close, ball type L/min ( USgpm) 5 bar (5 psi) Sectional view Operation Pressure on the cylinder port causes the ball to lift against the spring force, allowing flow through to the valve port. Reverse flow is prevented by the ball reseating. Pressure applied to the pilot port will hold the ball against its seat, preventing flow from cylinder to valve. Performance data Features Easy flow path gives good pressure to flow characteristics and hardened components ensure a long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. They fit the same cavities as the 4CK pilot-to-open check valves, so care should be taken when selecting the valve. Ratings and specifications Figures based on oil temperature of 4 C and viscosity of cst (5 SUS) Rated flow L/min ( USgpm) Maximum pressure 5 bar (5 psi) Pilot () Pilot ratio : Cartridge material Working parts hardened and ground steel. Zinc nickel plated body. Valve () Standard housing material Mounting position Cavity number Standard aluminum (up to bar*). Add suffix 77 for steel option. Unrestricted A877 Torque cartridge into cavity Nm (74 lbs. ft.) Cyl () Weight Seal kit number.8 kg (.6 lbs) SK8 (Nitrile) SK8 (Viton ) Recommended Filtration level BS554/4 Class 8/ (5 micron nominal) Operating temperature to +9 C (- to +94 F) Leakage. ml/min nominal (5 dpm) Nominal viscosity range 5 to 5 cst Viton is a registered trademark of E. I. DuPont Description Pilot to close check valves allow flow to pass in one direction, with a low pressure drop to prevent reverse flow. When the pilot pressure is applied, flow is prevented in either direction. The pilot ratio of : allows a lower pressure in the pilot line to hold the valve closed. The 5CK series are check cartridges ideally suited for fitting directly onto a cylinder. They are ideal for use in regenerative circuits, accumulator dump circuits and in control of cylinders or motors. Pressure drop Flow - L/min Pressure - psi Free flow Flow - US gpm Pressure - bar -68

69 5CK - Check valve Pilot-to-close, ball type L/min ( USgpm) 5 bar (5 psi) Model code 5CK*** W S 4 5 Function 5CK - Cartridge only 5CK5 - Cartridge and body Pilot port size - Internal Omit for line valves Port size Code Port size Housing number Aluminum Steel 6W /4" BSP /4" BSP/SAE Pilot Port B6898 B5544 T /4" SAE /4" SAE Pilot Port B8 6T " SAE /4" SAE Pilot Port B78 B84 4 Seals S - Nitrile (for use with most industrial hydraulic oils) SV - Viton (for high temperature and most special fluid applications) 5 Pilot Ratio - : Dimensions mm (inch) Cartridge only 5CK Single valve /4", " Ports 5CK5 5. (.59) max 8. A/F -5/6- UN-A 7. (.46).6 (4.) holes Ø.5 (.4) thro 76. (.99).6 (.5) 7. (4.6) max 55.5 (.9) Pilot () 5.8 (.) 5.4 (.). (.5) 44. (.7) 8. (.6) Valve () Cyl () NNote: For applications above bar ( psi) please consult our technical department or use the steel body option. -69

70 5CK - Check valve Pilot-to-close, ball type 5 L/min (65 USgpm) 5 bar (5 psi) Sectional view Operation Pressure on the cylinder port causes the ball to lift against the spring force, allowing flow through to the valve port. Reverse flow is prevented by the ball reseating. Pressure applied to the pilot port will hold the ball against its seat, preventing flow from cylinder to valve. Performance data Features Easy flow path gives good pressure to flow characteristics and hardened components ensure a long working life. Cartridge construction allows installation in actuators, manifold blocks and Hydraulic Integrated Circuits. They fit the same cavities as the 4CK pilot-to-open check valves, so care should be taken when selecting the valve. Pilot () Valve () Cyl () Description Pilot to close check valves allow flow to pass in one direction, with a low pressure drop to prevent reverse flow. When the pilot pressure is applied, flow is prevented in either direction. The pilot ratio of : allows a lower pressure in the pilot line to hold the valve closed. The 5CK series are check cartridges ideally suited for fitting directly onto a cylinder. They are ideal for use in regenerative circuits, accumulator dump circuits and in control of cylinders or motors. Ratings and specifications Figures based on oil temperature of 4 C and viscosity of cst (5 SUS) Rated flow 5 L/min (65 USgpm) Maximum pressure 5 bar (5 psi) Pilot ratio : Cartridge material Working parts hardened and ground steel. Zinc nickel plated body Standard housing material Standard aluminum (up to bar*). Add suffix 77 for steel option Mounting position Unrestricted Cavity number A695 Torque cartridge into cavity 5 Nm ( lbs. ft.) Weight.8 kg (.6 lbs) Seal kit number SK84 (Nitrile) SK84V (Viton ) Recommended Filtration level BS554/4 Class 8/ (5 micron nominal) Operating temperature to +9 C (- to +94 F) Leakage. ml/min nominal (5 dpm) Nominal viscosity range 5 to 5 cst Viton is a registered trademark of E. I. DuPont Pressure drop Pressure - psi Flow - L/min 4 Free flow Flow - US gpm Pressure - bar -7

71 5CK - Check valve Pilot-to-close, ball type 5 L/min (65 USgpm) 5 bar (5 psi) Model code 5CK*** W S 4 5 5CK - Cartridge only 5CK5 - Cartridge & body Pilot port size - Internal Omit for line valves Port size - bodied valves only 4 Seals Code Port size Housing number- body only S W T Aluminum Steel /4" BSP /4" BSP/SAE Pilot Port B684 B86 /4" SAE /4" BSP/SAE Pilot Port B6 B474 - Nitrile (for use with most industrial hydraulic oils) SV - Viton (for high temperature and most special fluid applications) 5 Pilot ratio - : Dimensions mm (inch) Cartridge only 5CK Single valve /4" Ports 5CK5. (.) max 46. A/F -5/8- UN-A.5 (.9).6 (4.) 8. (.5).5 (.4) 49. (.9) 5. (5.) max 69.5 (.74) max Pilot ().8 (.5) 6.5 (.5) 8. (.5) 97. (.8) holes Ø.5 (.4) thro 8.5 (.) Valve () Cyl () NNote: For applications above bar ( psi) please consult our technical department or use the steel body option. -7

72 SH - Shuttle valve Ball type L/min (5 USgpm) 5 bar (5 psi) Sectional view Inlet () Operation When a higher pressure is sensed at inlet than at inlet the ball within the cartridge is forced against a seat opening the higher pressure to outlet. When the higher pressure appears at inlet the ball is forced against the other seat which blocks inlet and opens up inlet to outlet. Performance data Features Cartridge design enabling speedy servicing when mounted in a body or in a composite manifold. Outlet () Ratings and specifications Figures based on: Oil Temp = 4 C Viscosity = cst (5 SUS) Rated flow L/min (5 USgpm) Max Pressure 5 bar (5 psi) Cartridge Material Working parts hardened and ground steel. External steel surfaces zinc plated Mounting position Unrestricted Cavity Number A697 (See Section M) Torque Cartridge into Cavity 8- Nm (Use Loc-Tite 54) Inlet () Weight Recommended Filtration level Operating Temp.5 kg (. lbs) BS554/4 Class 8/ (5 micron nominal) - C to +9 C (- to +94 F) Leakage.6 milliliters/min max Nominal Viscosity Range 5 to 5 cst Description This valve provides a means of sensing the higher pressures between two lines on a hydraulic circuit allowing this line to be used for an auxiliary function such as the removal of a mechanically applied brake, the operation of a gauge or to give a remote pressure sensing line for the control of a separate valve. Pressure drop Pressure - psi 5 4 Flow - L/min Pressure - bar Flow - US gpm -7

73 SH - Shuttle valve Ball type L/min (5 USgpm) 5 bar (5 psi) Model code SH SH - Cartridge Only Dimensions mm (inch) Cartridge only SH 5. A/F Inlet () M x. 6. (.6) Outlet () NNote: Using LOC-TITE 54, torque cartridge to 8- Nm against the bottom of the cavity. Inlet () -7

74 SH6 - Shuttle Valve Ball type 5 L/min ( USgpm) 5 bar (5 psi) Sectional view Operation When a higher pressure is sensed at inlet than at inlet the ball within the cartridge is forced against a seat opening the higher pressure to outlet. When the higher pressure appears at inlet the ball is forced against the other seat which blocks inlet and opens up inlet to outlet. Features Cartridge design enabling speedy servicing when mounted in a body or in a composite manifold. Inlet () Performance data Ratings and specifications Figures based on: Oil Temp = 4 C Viscosity = cst (5 SUS) Outlet () Rated flow Max Pressure Cartridge Material Mounting position Cavity Number 5 L/min ( USgpm) 5 bar (5 psi) Working parts hardened and ground steel. External steel surfaces zinc plated. Unrestricted C-I-M8- Torque Cartridge into Cavity 5 Nm (Use Loc-Tite 6) Inlet () Weight Recommended Filtration level Operating Temp Leakage Nominal Viscosity Range.4 kg (.9 lbs) BS554/4 Class 8/ ( micron nominal) -4 C to + C (-4 to +48 F) <5 bar 5 to 5 cst Description This valve provides a means of sensing the higher pressures between two lines on a hydraulic circuit allowing this line to be used for an auxiliary function such as the removal of a mechanically applied brake, the operation of a gauge or to give a remote pressure sensing line for the control of a separate valve. Pressure drop Flow - USgpm Pressure - bar Pressure - psi Flow - L/min -74

75 SH6 - Shuttle Valve Ball type 5 L/min ( USgpm) 5 bar (5 psi) Model code SH SH6 - Cartridge Only Dimensions mm (inch) Cartridge only SH6 8. A/F Inlet () M8x.5 4. (.57) Outlet () NNote: Using LOC-TITE 6, torque, cartridge to 8- Nm against the bottom of the cavity. tom Inlet () SH6-75

76 DSV- - Shuttle valve Ball type L/min (6 USgpm) bar ( psi) Operation When a higher pressure is sensed at inlet than at inlet the ball within the cartridge is forced against a seat opening the higher pressure to outlet. When the higher pressure appears at inlet the ball is forced against the other seat which blocks inlet and opens up inlet to outlet. Features Cartridge design enabling speedy servicing when mounted in a body or in a composite manifold. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Maximum pressure Cartridge fatigue pressure (infinite life) bar ( psi) bar ( psi) Rated flow L/min (6 USgpm) Internal leakage Between ports to, and to <5 bar ( psi) Cavity C-- Temperature range -4 C to + C (-4 to + 48 F) Fluids All general purpose hydraulic fluids such as MIL-H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing materials Aluminum Weight cartridge only Seal kits Viton is a registered trademark of E. I. DuPont,8 kg (.8 lbs) (Buna-N) (Viton ) Description This valve provides a means of sensing the higher pressures between two lines on a hydraulic circuit allowing this line to be used for an auxiliary function such as the removal of a mechanically applied brake, the operation of a gauge or to give a remote pressure sensing line for the control of a separate valve. Pressure drop Cartridge only Pressure Drop - psi Flow - L/min (,8 cst 49 C) Pressure Drop - bar Flow - USgpm (5 SUS F) -76

77 DSV- - Shuttle valve Ball type L/min (6 USgpm) bar ( psi) Model code DSV (V) B ** Function DSV - Shuttle Valve Size - Size Seals Blank - Buna-N V - Viton 4 Style B - Ball Type 5 Port size Code Port size Housing number - body only Aluminum light duty Steel fatigue rated Cartridge only - - B /8" BSPP T SAE /4" BSPP /8" BSPP H SAE H SAE See section J for housing. 6 Special features - None (Only required if valve has special features, omitted if ".") SS - 6 Stainless Steel external components Dimensions mm (inch) Notee: Torque cartridge in Aluminum or Steel housing Nm (5-4 ft. lbs). Cartridge only DSV- 8, (.) 46, (.8) 5,4 (.) hex Thd. Installation drawing 4,6 (.97) 8,8 (.74) 5 (.97) 8. (.) 57. (.5) 9.5 (.8) 57.5 (.5) 75.4 (.97) X7,4 (.8) 4,8 (.7) 5,4 (.) 75,4 (.97) Ø 5,8 (.6) Ø 7,4 (.685) -77

78 DSV-4 - Shuttle valve Ball type L/min (.75 USgpm) 4 bar (5 psi) Operation When a higher pressure is sensed at inlet than at inlet the ball within the cartridge is forced against a seat opening the higher pressure to outlet. When the higher pressure appears at inlet the ball is forced against the other seat which blocks inlet and opens up inlet to outlet. Features Cartridge design enabling speedy servicing when mounted in a body or in a composite manifold. Sectional view Performance data Ratings and Specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) 4 bar (5 psi) steel housing Cartridge fatigue pressure (infinite life) 4 bar (5 psi) Rated flow L/min (.75 USgpm) Internal leakage Between ports and, and and <5 drops/min 4 bar (5 psi) Cavity C-4- Temperature range -4 C to + C (-4 to + 48 F) Fluids All general purpose hydraulic fluids such as MIL-H-566, SAE, SAE, etc. Filtration level Cleanliness code 8/6/ Weight cartridge only, kg (.44 lbs) Seal kits (Buna-N) (Viton ) Viton is a registered trademark of E. I. DuPont Description This valve provides a means of sensing the higher pressures between two lines on a hydraulic circuit allowing this line to be used for an auxiliary function such as the removal of a mechanically applied brake, the operation of a gauge or to give a remote pressure sensing line for the control of a separate valve. NNote: This valve is intended for application as a load sense shuttle valve in load sensing systems -78

79 DSV-4 - Shuttle valve Ball type L/min (.75 USgpm) 4 bar (5 psi) Model code DSV 4 (V) B (*) Function DSV - Shuttle Valve Size 4-4 Size Seals Blank - Buna-N V - Viton 4 Style B - Ball 5 Valve housing material Omit for cartridge only A - Aluminum S - Steel 6 Port size O - Cartridge Only 7 Special features - None (Only required if valve has special features, omitted if ) Dimensions mm (inch) Cartridge only DSV-4 9/6" HEX 7/6- UNF-A,96 (.56) 7,87 (.468) Ø 7,85 (.) Ø 8,66 (.4) NNote: Torque cartridge in aluminum or steel housing Nm (6- ft lbs). Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -79

80 DSV-8 - Shuttle valve Ball type L/min (6 USgpm) 4 bar (5 psi) Operation When a higher pressure is sensed at inlet than at inlet the ball within the cartridge is forced against a seat opening the higher pressure to outlet. When the higher pressure appears at inlet the ball is forced against the other seat which blocks inlet and opens up inlet to outlet. Features Cartridge design enabling speedy servicing when mounted in a body or in a composite manifold. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Typical application pressure (all ports) 4 bar (5 psi) steel housing Cartridge fatigue pressure (infinite life) 4 bar (5 psi) Rated flow L/min (6 USgpm) Internal leakage Between ports and, and and <5 drops/min 4 bar (5 psi) Cavity C-8- Standard housing materials Aluminum or steel Temperature range -4 C to + C (-4 to + 48 F) Fluids All general purpose hydraulic fluids such as MIL-H-566, SAE, SAE, etc. Filtration level Cleanliness code 8/6/ Weight cartridge only,6 kg (.4 lbs) Seal kits (Buna-N) (Viton ) Viton is a registered trademark of E. I. DuPont Description This valve provides a means of sensing the higher pressures between two lines on a hydraulic circuit allowing this line to be used for an auxiliary function such as the removal of a mechanically applied brake, the operation of a gauge or to give a remote pressure sensing line for the control of a separate valve. Pressure drop Cartridge only Pressure Drop - psi Flow - L/min (,8 cst 49 C) A 8 B 4 Pressure Drop - bar 4 6 Flow - USgpm (5 SUS F) NNote: This valve is intended for application as a load sense shuttle valve in load sensing systems A - Port to port B - Port to port -8

81 DSV-8 - Shuttle valve Ball type L/min (6 USgpm) 4 bar (5 psi) Model code DSV 8 (V) B (*) ** Function DSV - Shuttle Valve Size 8-8 Size Seals Blank - Buna-N V - Viton 4 Style B - Ball 5 Valve housing material Omit for cartridge only A - Aluminum S - Steel 6 Port size Code Port size Housing number - body only 7 Special features - None (Only required if valve has special features, omitted if ) Aluminium fatigue rated Steel fatigue rated 4T SAE T SAE /4" BSPP /8" BSPP SS - 6Tl Stainless Steel External components Dimensions mm (inch) Cartridge only DSV-8, (.875) Hex.75?"-6 Thd. 8,6 (.4) Installation drawing (Steel) 9. (.75) 5.5 (.6) 54 (.) 66.7 (.6) 9. (.75) x7.4 (.8) 9.8 (.7) 4,6 (.6).4 (.) 56.9 (.4) 6.5 (.5) Ø 4, (.559) Ø 5,8 (.6) Note: Torque cartridge in aluminum or steel housing 4-4 Nm (5- ft lbs). Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). -8

82 DSV ** B - Shuttle valve Ball type, in-line housing Up to 7 L/min (45 USgpm) 5 bar (5 psi) Operation When a higher pressure is sensed at inlet than at inlet the ball within the cartridge is forced against a seat opening the higher pressure to outlet. When the higher pressure appears at inlet the ball is forced against the other seat which blocks inlet and opens up inlet to outlet. Sectional view Performance data Outlet Ratings and specifications Performance data is typical with fluid at,8 cst (5 SUS) and 49 C ( F) Maximum pressure bar ( psi) Aluminum housing 5 bar (5 psi) Steel housing P P Rated flow 6 series - L/min ( USgpm) 8 series - 4,6 L/min (6.5 USgpm) series - 88,9 L/min (.5 USgpm) 6 series - 7, L/min (45 USgpm) Internal leakage Between ports to, and to <5 bar ( psi) Temperature range -4 C to + C (-4 to + 48 F) Fluids All general purpose hydraulic fluids such as MIL-H-566, SAE, SAE, etc. Filtration Cleanliness code 8/6/ Standard housing materials Aluminum or steel Weight 6 series w/aluminum housing w/steel housing, kg (. bs), kg (.66 lbs) 8 series w/aluminum housing w/steel housing,8 kg (.6 lbs),9 kg (.86 lbs) series w/aluminum housing w/steel housing,75 kg (.65 lbs),5 kg (4.95 lbs) 6 series w/aluminum housing w/steel housing,76 kg (.86 lbs) 5,5 kg (.58 lbs) Seals ( required) Viton is a registered trademark of E. I. DuPont 6 series 8 series series 6 series 548 (Buna-N) / 9696 (Viton ) 549 (Buna-N) / 9698 (Viton ) 54 (Buna-N) / 96 (Viton ) 54 (Buna-N) / 965 (Viton ) Description This valve provides a means of sensing the higher pressures between two lines on a hydraulic circuit allowing this line to be used for an auxiliary function such as the removal of a mechanically applied brake, the operation of a gauge or to give a remote pressure sensing line for the control of a separate valve. Pressure drop Flow - L/min (,8 cst 49 C) A 9 B 8 C D Flow - USgpm (5 SUS F) Pressure Drop - psi Pressure Drop - bar A - 6-Series B - 8-Series C - -Series D - 6-Series -8

83 Model code DSV ** (V) B ** *** DSV ** B - Shuttle valve Ball type, in-line housing Up to 7 L/min (45 USgpm) 5 bar (5 psi) Function DSV - Shuttle Valve Size 6-6 Size 8-8 Size - Size 6-6 Size Seals Blank - Buna-N V - Viton 4 Style B - Ball 5 Housing material 6 Port size 6 Series - /8" NPTF 8 Series - /4" NPTF 6T - SAE 6 Series 4 - /' NPTF 8T - SAE 8 6 Series 6 - /4" NPTF T - SAE A - Aluminum S - Steel Dimensions mm (inch) Cartridge only DSV D C E A B F Aluminum housings can be used for pressures up to bar ( psi). Steel housings must be used for operating pressures above bar ( psi). Model number A B C D E F DSV-6-B-A, (.87) 44,5 (.75) 9, (.75) 9,5 (.7) 5,4 (.) 9,5 (.7) DSV-6-B-S, (.87) 44,5 (.75),6 (.8), (.4),7 (.5),7 (.5) DSV-8-B-A,8 (.94) 47,6 (.87) 5,4 (.), 7 (.5) 8, (.5),7 (.5) DSV-8-B-S,8 (.94) 47,6 (.87),7 (.5) 5,9 (.6) 4,7 (.7) 5,9 (.6) DSV-8-B-A6T,8 (.94) 47,6 (.87) 5,4 (.), 7 (.5) 8, (.5),7 (.5) DSV-8-B-S6T,8 (.94) 47,6 (.87),7 (.5) 5,9 (.6) 4,7 (.7) 5,9 (.6) DSV--B-A4,7 (.5) 6,5 (.5) 8, (.5) 9, (.75) 5,8 (.) 9, (.75) DSV--B-S4,7 (.5) 6,5 (.5) 4,7 (.7),8 (.86) 57,5 (.5), (.88) DSV--B-A8T,7 (.5) 6,5 (.5) 8, (.5) 9, (.75) 5,8 (.) 9, (.75) DSV--B-S8T,7 (.5) 6,5 (.5) 4,7 (.7),8 (.86) 57,5 (.5), (.88) DSV-6-B-A6 47,6 (.88) 95, (.75) 47,6 (.88),8 (.94) 6,5 (.5),8 (.97) DSV-6-B-S6 47,6 (.88) 95, (.75) 5, (.97) 5, (.98) 6,7 (.47) 5,4 (.) DSV-6-B-AT 47,6 (.88) 95, (.75) 47,6 (.88),8 (.94) 6,5 (.5),8 (.97) DSV-6-B-ST 47,6 (.88) 95, (.75) 5, (.97) 5, (.98) 6,7 (.47) 5,4 (.) -8

84 - Additional products, product lines, and services offered by Eaton - -84