Logic elements. Differential pressure sensing elements for applications up to 350 bar (5000 psi) and 400 L/min (100 USgpm)

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1 Hydraulic Screw-in Cartridge Valves (SiCV) Logic elements Differential pressure sensing elements for applications up to 50 bar (5000 psi) and 400 L/min (00 USgpm)

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3 Logic elements LOGC ELEMENTS APPLCATON EXAMPLES DPS-8 - LOGC ELEMENT DPS-0 - LOGC ELEMENT DPS- - LOGC ELEMENT DPS-6 - LOGC ELEMENT DPS-0 - LOGC ELEMENT... - DPS LE40 - LOGC ELEMENT LEV40 - LOGC ELEMENT Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

4 Logic elements Valve locator Functional symbol Various Model Cavity Flow rating Typical pressure Page Logic element spool L/min (USgpm) bar (psi) DPS-8 C-8-S 0 (8) 50 (5000) -4 DPS-0 C-0-S 60 (5) 90 (400) -6 DPS- C--S 4 (0) 50 (5000) -8 DPS-6 C-6-S 89 (50) 90 (400) -0 DPS-0 C-0-S 0 (80) 90 (400) -0 Model Cavity Rating Pressure Page Logic element Poppet L/min (USgpm) bar (psi) DPS-0 C-0-S 60 (5) 50 (5000) -60 DPS- C--S 4 (0) 50 (5000) -8 DPS-6 C-6-S 89 (50) 50 (5000) -0 DPS-0 C-0-S 0 (80) 50 (5000) - Model Cavity Flow rating Typical pressure Page Logic element L/min (USgpm) bar (psi) LE40 C-0-50 (95) 50 (5000) -6 Model Cavity Flow rating Typical pressure Page Logic element L/min (USgpm) bar (psi) LEV40 A (00) 50 (500) -8-4 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

5 Logic elements Section overview This section gives basic specifications for Eaton logic element threaded cartridge valves. ts purpose is to provide a quick, convenient reference tool when choosing these valves or designing a system using these components. All cartridges have hardened and ground spools, and/or honed sleeves, poppets and sharp-edged ground steel seats. This provides an excellent product that is dirttolerant, has reliable seating, and is suitable for fast cycling with long life. These cartridges provide the system designer with a versatile range of elements for use in HC packages for controlling pressure, flow and direction of flow. The range includes: Pressure compensators (Section H) Pressure compensators with priority and bypass outlets (Section H) Differential pressure sensing elements The correct selection of these products can enhance machine performance, shorten the design process and minimize manufacturing costs of manifold blocks. Dfferential pressure sensing elements DPS For controlling pressure, flow or direction (including - and 4-way bridge circuits) the DPS is used with the aid of external pilot operators. The DPS elements are function building blocks which respond to pressure differential signals, providing the capacity to switch or modulate flows up to 0 L/min (80 USgpm) and pressure to 50 bar (5000 psi). The choice of pilot arrangements related to DPS variants can minimize the number of construction holes in a manifold, simplifying design and reducing costs. All poppet type DPS elements have recently been upgraded to 50 bar (5000 psi). Flow compensators PCS (Section H) An essential component of a pressure compensated flow control which, with an external fixed or variable orifice, provides the required compensated flow characteristic. Excess flow is diverted at maximum system pressure. Excess fluid upstream must be diverted e.g. through a relief to tank. Pressure compensator with priority and bypass outlets PCS4. Similar in function to the PCS. The major difference is that excess flow is diverted at priority flow pressure, instead of at maximum system pressure, as is the case with PCS compensators. The excess flow can pass to a secondary circuit or to tank. Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

6 Application examples DPS Logic elements for pressure control Pressure control functions Pressure relief or sequence example With external pilot supply and pilot relief Pilot pressure source Fixed restrictor Pilot relief valve DPS-**-P differential pressure sensing cartridge Uni-directional flow Pressure relief or sequence example With internal pilot supply and pilot relief Uni-directional flow Pilot relief valve DPS-**-V dif ferential pressure sensing cartridge Pilot relief valve Pressure reducing example Non-relieving type DPS-**-R differential pressure sensing cartridge Uni-directional flow -6 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

7 Application examples DPS Elements for pressure control Accululator charging with PUV-0 pilot stage Pressure reducing and relieving DPS-**-V differential pressure sensing cartridge PUV-0 DPS-**-R differential pressure sensing cartridge Reduced pressure sub-circuit DPS-**-V differential pressure sensing cartridge Pilot Relief Valve Full pressure sub-circuit Hi/Low unloading circuit with externally piloted pressure sequence pilot valve Hi/Low unloading circuit with externally piloted pressure sequence pilot valve DPS-**-S differential pressure sensing cartridge DPS-**-V differential pressure sensing cartridge Pilot Sequence Valve Pilot Sequence Valve Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

8 Application examples DPS Elements for flow control Pressure compensated flow control example With downstream fixed or variable restrictor DPS-**-F differential pressure sensing cartridge Fixed or variable restrictor Uni-directional flow Pressure compensated priority flow control example With fixed or variable priority flow control nlet Fixed or variable priority flow restrictor Priority flow outlet DPS-**-P differential pressure sensing cartridge Uni-directional flow -8 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

9 Application examples DPS Elements for flow control Load sensing priority flow control example With pressure limiting and venting Pump Uni-directional flow Fixed or Variable restrictor Priority outlet, to load DPS-**-P differential pressure sensing cartridge Fixed pilot restrictor Venting pilot directional valve Pressure limiter pilot relief valve Load sensing priority flow control example Directional control version with pressure limiter Pump Uni-directional flow Directional control valve Fixed or variable restrictors Load service lines DPS-**-P differential pressure sensing cartridge Fixed pilot restrictor Pilot relief valve Pilot sensing checks Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

10 Application examples PPS Elements for flow control Load sense circuit example For parallel operation Dampening orifice typ. 0.0 to DPS-**-FF Hydrostat compensator Relief valve pressure limiting 80 psi 80 psi DPS-**-FF Hydrostat compensator 60 psi DPS-**-PF Load sense unloading elelment Main relief Load sense bleed typ. 0.0 GPM Load sense circuit example For priority and parallel operation DPS-**-FF Hydrostat compensator Relief valve pressure limiting This sub-circuit has priority 80 psi 80 psi Dampening orifice typ. 0.0 to psi DPS-**-FF Hydrostat compensator DPS-**-PF Load sense unloading elelment Note. Pressure limiting relief must be < main relief setting.. f pre ssure limiting is not used; port reliefs set < main relief are required. Main relief 60 psi DPS-**-PF Priority element 60 psi Load sense bleed typ. 0.0 GPM -0 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

11 Application examples DPS Elements for directional control Two-way, two-position, normally open examples Switched by -way, -position pilot valve and external pilot pressure Pilot pressure source Uni-directional flow Pilot directional valve DPS-**-P differential pressure sensing cartridge Switched by external pilot pressure and vented through -way, -position pilot valve Fixed restrictor Pilot pressure source Pilot directional valve Uni-directional flow DPS-**-P differential pressure sensing cartridge With DPS-**-V cartridge and internal pilot supply & vented through -way, position pilot valve With DPS-**-B cartridge and internal pilot supply & vented through -way, position pilot valve DPS-**-V differential pressure sensing cartridge Pilot directional valve DPS-**-B differential pressure sensing cartridge Pilot directional valve Uni-directional flow Uni-directional flow With DPS-**-S cartridge and internal pilot supply & vented through -way, position pilot valve With DPS-**-T cartridge and internal pilot supply & switched by -way, position pilot valve and external pilot pressure DPS-**-S differential pressure sensing cartridge DPS-**-T differential pressure sensing cartridge Pilot directional valve Pilot directional valve Uni-directional flow Bi-directional flow With DPS-**-T cartridge and internal shuttle-selected pilot supply Pilot directional valve DPS-**-T differential pressure sensing cartridge Pilot shuttle valve With DPS-**-T cartridge, external pilot supply and two-way two-position pilot valve Pilot source Fixed restrictor DPS-**-T differential pressure sensing cartridge Pilot directional valve Bi-directional flow Bi-directional flow Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

12 Application examples DPS Elements for directional control Three-way bridge circuits PA C PB PA C PB PA C PB B A B A B A Example, with DPS-**-T Poppet type Example, with DPS-**-P Spool type Example, with DPS-**-P Spool type Required flow path Pilot pressure to Available from form Required flow path Pilot pressure to Available from form PA PB PA PB A B 0 0 Yes Yes No 0 Yes Yes No C 0 Yes Yes Yes Yes Yes Yes - Pressure applied 0- Pressure vented A B N Note: Pilot pressure, modified by valve area ratio (if any), must exceed load pressure at valve in order to close valve. - Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

13 Application examples DPS Elements for directional control Four-way bridge circuits P A P B P P A B P P T P5 P4 P P4 With DPS-**-T Poppet type With DPS-**-P Spool type P P5 T Required flow path Pilot pressure to Required flow path Pilot pressure to P P P P4 P5 P P P P4 P5 A P B T B T Pressure applied 0- Pressure vented N Note: Pilot pressure, modified by valve area ratio (if any), must exceed load pressure at valve in order to close valve. Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

14 DPS-8 - Logic element Differential pressure sense valves 0 L/min (8 USgpm) 50 bar (5000 psi) Description These are normally open or closed logic elements with or without a control orifice. They can be used as main valves for the control of high flows using small pilot cartridges, as compensators or load sense elements. Operation This valve is used as a main section of a pilot controlled valve assembly. This valve has multiple uses when used with either directional control, flow control or pressure control cartridges. Refer to application examples. Features Hardened and ground and honed working components. Cartridge construction for maximum mounting flexibility. Functional symbols Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (05 SUS) and 49 C (0 F) Typical application pressure Cartridge fatigue pressure Rated flow Spool type: 50 bar (5000 psi) 50 bar (5000 psi) 0 L/min (8 USgpm) Pilot ratio Spool type P, V, R, F: : nternal leakage Spool type: 8 cm /min. (5 in /min) 50 bar (5000 psi) Temperature range -40 to 0 C (-40 to 48 F) Cavity C-8- Standard housing materials Aluminium or Steel Fluids All general purpose hydraulics fluids such as: ML-H-5606, SAE 0, SAE 0 etc Filtration Cleanliness code 8/6/ Weight cartridge only (Fixed/Adjustable) 0.07 kg (0.6 lbs) / 0.0 kg (0.4 lbs) Seal kit (Buna-N), (Viton ) Viton is a registered trademark of E.. DuPont Pressure drop curve Cartridge only Flow- USgpm (.8 cst 49 C) A 5 A - DPS-8-P/V - 60 PS B - DPS-8-P/V - 80 PS C - DPS-8-P/V - 40 PS D - DPS-8-P/V- Without Spring E - DPS-8-F/R - Free Flow Pressure drop- psi B E 0 Pressure drop- bar 50 C D Flow- USgpm (05 SUS 0 F) 0-4 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

15 DPS-8 - Logic element Differential pressure sense valves 0 L/min (8 USgpm) 50 bar (5000 psi) Model code DPS 8 (V) * * ** *** ** Function DPS - Differential pressure sensing Size 8-8 size Seal material Blank - Buna-N V - Viton 4 Function P - Spool, N/C (L/S element) V - Spool, N/C R - Spool, pressure reducing, N/O F - Spool, flow control, N/O (hydrostat) 5 Port size 0 - Cartridge only 6 Adjustment F - None P - Pressure adjustments "P" adjustment is not available with F and R functions. Code Port size Housing number 0 Cartridge only A4T SAE A6T SAE AG /4" BSPP AG /8" BSPP S4T SAE S6T SAE SG /4" BSPP SG /8" BSPP See section J for housing details. 7 Differential pressure Note: Code based on pressure in psi 040 -,80 bar (40 psi) 080-5,50 bar (80 psi) 60 -,0 bar (60 psi) bar(80-00 psi)* * Only for "P" Adjustment pressure setting, factory set at Max pressure. 8 Special features 00 - No special features Dimensions mm (inch) Cartridge only Torque cartridge in housing Aluminum or Steel Nm (5-0 ft lbs) nstallation drawing P Adjustement 8.4 [.] 4.0 Hex. [.5].7 Hex. [.50] Torque To - 6 Nm [4-8 Lbf.ft] 5.5 [.6] 67. [.65] 54 [.] X7.4±0. [.8±.005] 9.8 [.7]. Hex. [.87] 7. [.85] Max. 9. [.75].4 [.] 56.74±0.5 [.4±.00] 9. [.75] 9/6-4 UNEF THD 9.4 [.60] F Adjustment. Hex. [.87] 6.5 [.50] Ø [.6 -.6] 40.7 [.60] Ø [ ] Warning Aluminum housings can be used for pressures up to 0 bar (000 psi). Steel housings must be used for operating pressures above 0 bar (000 psi). Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

16 DPS-0 - Logic element Differential pressure sense valves 60 L/min (5 USgpm) 90, 50 bar (400, 5000 psi) Functional symbols See pages -4 & -4 Description These are normally open or closed logic elements with or without a control orifice. They can be used as main valves for the control of high flows using small pilot cartridges, as compensators or load sense elements. Operation This valve is used as a main section of a pilot controlled valve assembly. This valve has multiple uses when used with either directional control, flow control or pressure control cartridges. Refer to application examples. Features Hardened and ground and honed working components. Cartridge construction for maximum mounting flexibility. Low leakage with poppet valves and 50 bar pressure rating Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (05 SUS) and 49 C (0 F) Typical application pressure Spool type: 90 bar (400 psi) Poppet type: 50 bar (5000 psi) Rated flow 60 L/min (5 USgpm) Pilot ratio Spool type P, V, R, F: : Poppet type B, S, T: : nternal leakage Spool type: 8 cm /min. (5 in /min) 90 bar (400 psi) Poppet type: Port to :< 5 drops/min 50 bar (5000 psi) Temperature range -40 to 0 C (-40 to 48 F) Cavity Standard housing materials C-0-S Aluminium Fluids All general purpose hydraulics fluids such as: ML-H-5606, SAE 0, SAE 0 etc Filtration Cleanliness code 8/6/ Weight cartridge only 0,4 kg (0.0 lbs) Seal kit (Buna-N), (Viton ) Viton is a registered trademark of E.. DuPont Pressure drop curve Pressure Drop Curve Cartridge only Cartridge only Flow - L/min (,8 cst 49 C) B/S/T models P/V models F/R models 00 4 Pressure drop - psi Pressure drop - bar Flow - USgpm (05 SUS 0 F) 0-6 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

17 DPS-0 - Logic element Differential pressure sense valves 60 L/min (5 USgpm) 90, 50 bar (400, 5000 psi) Model code DPS 0 (V) * * ** *** ** Function DPS - Differential pressure sensing Size 0-0 size Seal material Blank - Buna-N V - Viton 4 Function B - Poppet, vent to open, N/C S - Poppet, vent to open, N/C T - Poppet, bi-directional, pilot to close, : ratio, N/C P - Spool, N/C (L/S element) V - Spool, N/C R - Spool, pressure reducing, N/O F - Spool, flow control, N/O (hydrostat) 5 Adjustment F - None P - Stroke adjustments S adjustment is not available with F and R functions. Code Port size Housing number Aluminium B /8" BSPP * 6T SAE H SAE H SAE G /4" BSPP G /8" BSPP * Light duty housing See section J for housing details. 6 Port size 0 - Cartridge only 7 Differential pressure Note: Code based on pressure in psi 005-0,5 bar (5 psi)+ * 00-0,7 bar (0 psi)+ * 00 -,40 bar (0 psi)+* 040 -,80 bar (40 psi) 080-5,50 bar (80 psi) 60 -,0 bar (60 psi) + Not available with the B, S and T poppet. * The operating back pressure at port should never be less than. times the spring set pressure. 8 Special features 00 - No special features Dimensions mm (inch) Cartridge only Torque cartridge in housing A Nm (5-40 ft lbs) S Nm (50-55 ft lbs) nstallation drawing.7 (.5) 0.7 (0.8) 8. (.50) 5. (0.59) 5,4 (.00) hex 57. (.5) 76. (.0) Thd. 5.4 (.00) 9.5 (0.7) 57.5 (.50) 76. (.00) 7.4 (0.8) 5.4 (.00) Warning WARNNG Aluminum housings can be Aluminum housings used for pressures up to 0 bar (000 psi). can be Steel used housings for must pressures be used up to for 0 operating bar (000 pressures psi). Steel housings above 0 must bar be (000 used for psi). operating pressures above 0 bar (000 psi). Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

18 DPS- - Logic element Differential pressure sense valves 4 L/min (0 USgpm) 50 bar (5000 psi) Functional symbols See pages -4 & -4 Operation This valve is used as a main section of a pilot controlled valve assembly. This valve has multiple uses when used with either directional control, flow control or pressure control cartridges. Refer to application examples. Features Hardened and ground and honed working components. Cartridge construction for maximum mounting flexibility. Low leakage with poppet valves and 50 bar pressure rating Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (05 SUS) and 49 C (0 F) Typical application pressure Spool and Poppet type: 50 bar (5000 psi) Rated flow 4 L/min (0 USgpm) Pilot ratio Spool type P, V, R, F: : Poppet type B, S, T: : nternal leakage Spool type: 8 cm /min. (5 in /min) 50 bar (5000 psi) Poppet type: psi Temperature range -40 to 0 C (-40 to 48 F) Cavity C--S Standard housing materials Aluminium or steel Fluids All general purpose hydraulics fluids such as: ML-H-5606, SAE 0, SAE 0 etc Filtration Cleanliness code 8/6/ Weight cartridge only 0, kg (0.68 lbs) Description These are normally open or closed logic elements with or without a control orifice. They can be used as main valves for the control of high flows using small pilot cartridges, as compensators or load sense elements. Pressure drop curve Cartridge only Flow - L/min Pressure Drop to in psi Flow (GPM) Pressure drop to in bar B/S/T models P/V models F/R models -8 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

19 DPS- - Logic element Differential pressure sense valves 4 L/min (0 USgpm) 50 bar (5000 psi) Model code DPS (V) * F ** *** ** Function DPS - Differential pressure sensing Size - size Seal material Blank - Buna-N V - Viton 4 Function B - Poppet, vent to open, N/C S - Poppet, vent to open, N/C T - Poppet, bi-directional, pilot to close, : ratio, N/C P - Spool, N/C (L/S element) V - Spool, N/C R - Spool, pressure reducing, N/O F - Spool, flow control, N/O (hydrostat) 5 Adjustment F - None 6 Port size 0 - Cartridge only Code Housing number Port & Port (A)0T SAE 0 SAE 6 (A)T SAE SAE 6 (A)4G /" BSPP /8" BSPP (A)6G /4" BSPP /8" BSPP (S)0T SAE 0 SAE 6 (S)T SAE SAE 6 (S)4G /" BSPP /8" BSPP (S)6G /4" BSPP /8" BSPP See section J for housing details. 7 Differential pressure Note: Code based on pressure in psi 040 -,80 bar (40 psi) 080-5,50 bar (80 psi) 60 -,0 bar (60 psi) 8 Special features 00 - No special features Dimensions mm (inch) Cartridge only Torque cartridge in housing A Nm (60-70 ft lbs) S Nm (75-85 ft lbs) nstallation drawing (steel) 4,5 (.6).0 (0.9) 4.4 (.6).7 (0.50) 57.5 (0.5) 0.6 (4.00) 4. (.66).06 - Thd. 5.4 (.00) 76. (.00) 88.9 (.50) X Ø0. (0.406) 5.4 (.00) 8, (.9), (0.87),7 (0.95) Warning Aluminum housings can be used for pressures up to 0 bar (000 psi). Steel housings must be used for operating pressures above 0 bar (000 psi). Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

20 DPS-6 - Logic element Differential pressure sense valves 89 L/min (50 USgpm) 0, 50 bar (000, 5000 psi) Functional symbols See pages -4 & -4 Operation This valve is used as a main section of a pilot controlled valve assembly. This valve has multiple uses when used with either directional control, flow control or pressure control cartridges. Refer to application examples. Features Hardened and ground and honed working components. Cartridge construction for maximum mounting flexibility. Low leakage with poppet valves and 50 bar pressure rating Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (05 SUS) and 49 C (0 F) Typical application pressure Spool type: 90 bar (400 psi) Poppet type: 0 bar (000 psi) or 50 bar (5000 psi) Rated flow 89 L/min (50 USgpm) Pilot ratio Spool type P, V, R, F: : nternal leakage Poppet type B, S, T: : Temperature range spool type: 8 cm /min. (5 in /min) 90 bar (400 psi) poppet type: Port to :< 5 drops/min 50 bar (5000 psi) Cavity -40 to 0 C (-40 to 48 F) Standard housing materials C-6-S Fluids Aluminium Filtration All general purpose hydraulics fluids such as: ML-H-5606, SAE 0, SAE 0 etc Weight cartridge only Cleanliness code 8/6/ Seal kit 0,5 kg (0.78 lbs) Viton is a registered trademark of E.. DuPont (Buna-N), (Viton ) Description These are normally open or closed logic elements with or without a control orifice. They can be used as main valves for the control of high flows using small pilot cartridges, as compensators or load sense elements. Pressure drop curve Cartridge only Flow - L/min (,8 cst 49 C) Pressure drop - psi Flow - USgpm (05 SUS 0 F) Pressure drop - bar B/S/T models P/V models F/R models -0 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

21 DPS-6 - Logic element Differential pressure sense valves 89 L/min (50 USgpm) 0, 50 bar (000, 5000 psi) Model code DPS 6 (V) * * ** *** ** Function DPS - Differential pressure sensing Size 6-6 size Seal material Blank - Buna-N V - Viton 4 Function B - Poppet, vent to open, N/C S - Poppet, vent to open, N/C T - Poppet, bi-directional, pilot to close, : ratio, N/C P - Spool, N/C (L/S element) V - Spool, N/C R - Spool, pressure reducing, N/O F - Spool, flow control, N/O (hydrostat) 5 Port size 0 - Cartridge only 6 Stroke adjustment F - None S - Stroke adjustments "S" adjustment is not available with F and R functions. Code Port size Housing number Aluminium 4B /4" BSPP * T SAE 56644* 0H SAE H SAE G /" BSPP G /4" BSPP * Light duty housing See section J for housing details. 7 Differential pressure Note: Code based on pressure in psi 005-0,5 bar (5 psi)+* 00 -,40 bar (0 psi)+* 040 -,80 bar (40 psi) 080-5,50 bar (80 psi) 60 -,0 bar (60 psi) + Not available with the "B", "S" and "T" poppet. * The operating back pressure at port should never be less than. times the spring set pressure. 8 Special features 00-0 bar (000 psi) rated valve AA - 50 bar (5000 psi) rated valve (poppet type only). (Only required if valve has special features, omit if "00".) Dimensions mm (inch) Cartridge only Torque cartridge in housing A Nm (80-90 ft lbs) S Nm (00-0 ft lbs) nstallation drawing S Adjustment 4,8 (0.9) hex 56, (.) Max 8, (.50) hex Torque 08- Nm (80-90 ft. lbs) F Adjustment, (.7) Max. (.7) 54 (.) 88.9 (.50) 4. (4.50) 54 (.) X8.74 (0.44). - Thd..8 (.5) 9.68 (.68) 4. (4.50) 0. (0.4).8 (.5) 55,6 (.8) 5,7 (0.999) 8,50 (.) Warning Aluminum housings can be used for pressures up to 0 bar (000 psi). Steel housings must be used for operating pressures above 0 bar (000 psi). Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

22 DPS-0 - Logic element Differential pressure sense valves 0 L/min (80 USgpm) 0, 50 bar (000, 5000 psi) Functional symbols See pages -4 & -4 Operation This valve is used as a main section of a pilot controlled valve assembly. This valve has multiple uses when used with either directional control, flow control or pressure control cartridges. Refer to application examples. Features Hardened and ground and honed working components. Cartridge construction for maximum mounting flexibility. Low leakage with poppet valves and 50 bar pressure rating. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,8 cst (05 SUS) and 49 C (0 F) Typical application pressure Spool type: 90 bar (400 psi) Poppet type: 0 bar (000 psi) or 50 bar (5000 psi) Rated flow 0 L/min (80 USgpm) Pilot ratio Spool type P, V, R, F: : nternal leakage Poppet type B, S, T: : Temperature range Spool type: 8 cm /min. (5 in /min) 90 bar (400 psi) Poppet type: Port to :< 5 drops/min 50 bar (5000 psi) Cavity -40 to 0 C (-40 to 48 F) Standard housing materials C-0-S Fluids Aluminium Filtration All general purpose hydraulics fluids such as: ML-H-5606, SAE 0, SAE 0 etc Weight cartridge only Cleanliness code 8/6/ Seal kit 0,8 kg (.78 lbs) Viton is a registered trademark of E.. DuPont 0-5 (Buna-N), (Viton ) Description These are normally open or closed logic elements with or without a control orifice. They can be used as main valves for the control of high flows using small pilot cartridges, as compensators or load sense elements. Pressure drop curve Cartridge only Pressure drop - psi Flow - L/min (,8 cst 49 C) Flow - USgpm (05 SUS 0 F) Pressure drop - bar B/S/T models P/V models F/R models - Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

23 DPS-0 - Logic element Differential pressure sense valves 0 L/min (80 USgpm) 0, 50 bar (000, 5000 psi) Model code DPS 0 (V) * * ** *** ** Function DPS - Differential pressure sensing Size 0-0 size Seal material Blank - Buna-N V - Viton 4 Function B - Poppet, vent to open, N/C S - Poppet, vent to open, N/C T - Poppet, bi-directional, pilot to close, : ratio, N/C P - Spool, N/C (L/S element) V - Spool, N/C R - Spool, pressure reducing, N/O F - Spool, flow control, N/O (hydrostat) 5 Port size 0 - Cartridge only 6 Stroke adjustment F - None (Fixed stroke) S - Screw adjustment Screw adjustment is not available with F and R functions. Code Port size Housing number Aluminium 8B " BSPP * 6T SAE * H SAE H SAE G /4" BSPP G " BSPP * Light duty housing See section J for housing details. 7 Differential pressure Note: Code based on pressure in psi 005-0,5 bar (5 psi)+* 0-0,7 bar (0 psi)+* 0 -,40 bar (0 psi)+* 40 -,80 bar (40 psi) 80-5,50 bar (80 psi) 60 -,0 bar (60 psi) + Not available with the "B", "S" and "T" poppet. * The operating back pressure at port should never be less than. times the spring set pressure. 8 Special features 00-0 bar (000 psi) rated valve AA - 50 bar (5000 psi) rated valve (poppet type only). (Only required if valve has special features, omit if "00".) Dimensions mm (inch) Cartridge only Torque cartridge in housing A Nm (95-5 ft lbs) S Nm (0-5 ft lbs) NNote: For application at 50 bar (5000 psi) torque into steel housing to 05-8 Nm (50-60 ft. lbs) (for valves with "AA" special feature only). nstallation drawing S Adjustment 4,8 (0.9) hex 6, (.44) Max 47,6 (.87) hex Torque 9-56 Nm (95-5 ft. lbs) F Adjustment 4,0 (.4) Max.65 - Thd. 4. (.6) 0.6 (0.8) 7 (5.0) 0.6 (4.0) 0. (0.4) 06.8 (4.88) 7 (5.00) 6.5 (.50) 50.8 (.0) X8.74 (0.44) 4. (.6) 76, (.00),0 (.) 6,47 (.46) Warning Aluminum housings can be used for pressures up to 0 bar (000 psi). Steel housings must be used for operating pressures above 0 bar (000 psi). Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

24 DPS Spool type functional symbols DPS-**-P-S DPS-**-P-F DPS-**-V-S DPS-**-V-F DPS-**-F-F DPS-**-R-F -4 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

25 DPS Poppet type functional symbols DPS-**-B-S DPS-**-B-F DPS-**-S-S DPS-**-S-F DPS-**-T-S DPS-**-T-F Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

26 LE40 - Logic element Spool type with control cartridge cavity 50 L/min (95 USgpm) 50 bar (5000 psi) Operation With a pilot valve fitted the valve will only open when flow is allowed across the orifice in the middle of the spool. Flow passing across this orifice will cause there to be a pressure difference that acts over the full area of the spool to move it back against the spring that biases it closed. By controlling the pressure in the spring chamber you can control the pressure at which the valve opens. Features Very versatile in its application using hardened and ground spool and sleeve giving minimal internal leakage and long life. High flow and pressure rating increases the variety of applications into which it can fit. Sectional view Performance data Ratings and specifications Performance data is typical with fluid at,0 cst (50 SUS) Figures based on oil temperature of 40 C and viscosity of 40 cst Rated Flow 50 liters/min (95 USgpm) Maximum load induced pressure P: 50 bar (5000 psi), P: 0 bar (000 psi) Cartridge material Working parts hardened and ground steel. External surfaces zinc plated T () Body material Mounting position Standard aluminum (up to 0 bar*). Add suffix 77 for steel option Unrestricted Cavity number C-0- (see Section M) Torque cartridge into cavity 60 Nm (44 lbs. ft.) Weight LE40: 0.9 kg (0.6 lbs), LE45:.5 kg (.97 lbs) P () Seal kit number SK6 (Nitrile), SK6V (Viton ) Viton is a registered trademark of E.. DuPont Recommended Filtration Level BS5540/4 Class 8/6/ (5 micron nominal) Operating temperature 0 to +90 C ( to 94 F) Leakage Up to 50 ml/min nominal Nominal viscosity range 5 to 500 cst Description For use in conjunction with pilot valves to allow control of larger flows. When used with a / solenoid valve the combination allows control of flows to 50 lts/min (95 US gpm). With a pilot relief valve or a proportional relief valve the element becomes a high flow pilot style relief. With a needle valve an on/off function is achieved. The outlet flow would normally go to tank because back pressure will act on the pilot cartridge to increase the switching pressure. Pressure drop curve Free flow - Pressurep - psi Flow - L/min Flow - US gpm Pressure - bar -6 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

27 LE40 - Logic element Spool type with control cartridge cavity 50 L/min (95 USgpm) 50 bar (5000 psi) Model code LE4** N 0. DR-P-40S 0W 4 5 Basic code LE40 - Cartridge (logic Element) LE45 - Cartridge (Logic Element) and body Seals N - Nitrile (for use with most industrial hydraulic oils) V - Viton (for high temperature & most special fluid applications) Spring Pilot cartridge Blank - None DR-P-40S - See pg E-00 PDRAN*6** - See pg B-70 S07N - See pg A-80 5 Port size Omit - Cartridge only Code Port size Aluminum Steel 0W -/4" BSPP C4005 C4006 W -/" BSPP C4007 C4008 0T -/4" SAE C40 C40 4T -/" SAE C40 C404 Dimensions mm (inch) Cartridge only Basic Code: LE40 Torque cartridge in aluminum housing 08- Nm (80-90 ft lbs) nstallation drawing Basic Code: LE45 /4 / Ports 5.0 (0.98) max Cavity A A/F -5/8-UN-A 0.60 (4.00) 5 (0.98) approx 76.0 (.00) 5.00 (0.98) (.56) 0.00 (0.9) CT (.5) (.57) 0.60 (4.00).00 (.6) 8.0 (.50) Ø9.0 (0.5) off 58.5 (.0) Tank () 8.0 (.50) Pressure () Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

28 LEV40 - Logic element Spool type with control cartridge cavity Up to 400 L/min (00 USgpm) 50 bar (500 psi) Sectional view Operation With a pilot valve fitted the valve will only open when flow is allowed across the orifice in the middle of the spool. Flow passing across this orifice will cause there to be a pressure difference that acts over the full area of the spool to move it back against the spring that biases it closed. Performance data By controlling the pressure in the spring chamber you can control the pressure at which the valve opens. The vent port can be used as a remote control port to provide two pressure operation or a dump facility. Features Very versatile in its application using hardened and ground spool and sleeve giving minimal internal leakage and long life. High flow and pressure rating increases the variety of applications into which it can fit. With small modifications to the spool the valve can be used in load sensing circuits or as a compensator for by-pass pressure compensated flow controls. Ratings and specifications Performance data is typical with fluid at,0 cst (50 SUS) Figures based on oil temperature of 40 C and viscosity of 40 cst Rated Flow 400 liters/min (00 USgpm) Maximum working pressure P and P: 50 bar (500 psi), P: 0 bar (000 psi) V () Cartridge material Body material Working parts hardened and ground steel. External surfaces zinc plated Standard aluminum (up to 0 bar*). Add suffix 77 for steel option Mounting position Unrestricted Cavity number A77 (see Section M) T () Torque cartridge into cavity Weight 50 Nm (0 lbs. ft.) LEV40: 0.70 kg (.54 lbs), LEV45:.54 kg (5.6 lbs) Seal kit number SK (Nitrile), SKV (Viton ) Viton is a registered trademark of E.. DuPont P () Recommended Filtration Level BS5540/4 Class 8/6/ (5 micron nominal) Operating temperature 0 to +90 C ( to 94 F) Leakage Up to 50 ml/min Nominal viscosity range cst For applications above 0 bar, please consult our technical department or use the steel body option Description For use in conjunction with pilot valves to allow control of larger flows. When used with a / solenoid valve the combination allows control of flows to 400 lts/min (00 US gpm). With a pilot relief valve or a proportional relief valve the element becomes a high flow pilot style ventable relief. With a needle valve an on/off function is achieved. The outlet flow would normally go to tank because back pressure will act on the pilot cartridge to increase the switching pressure. Pressure drop curve Vented pressure drop Flow - L/min Pressure - psi Flow - US gpm Pressure - bar -8 Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

29 LEV40 - Logic element Spool type with control cartridge cavity Up to 400 L/min (00 USgpm) 50 bar (500 psi) Model code LEV4** N 0. DR-P-40S 0W 4 5 Basic code LEV40 - Cartridge only (Logic Element) LEV45 - Cartridge (Logic Element) and body Seals N - Nitrile (for use with most industrial hydraulic oils) V - Viton (for high temperature & most special fluid applications) Spring 0. - bar 4 Pilot cartridge Blank - None DR-P-40S - See pg E-00 PDRAN*6** - See pg B-70 S07N - See pg A-80 5 Port size Omit - Cartridge only Code Port size Aluminum Steel 0W -/4" BSPP, /4" BSPP vent C4005 C4006 W -/" BSPP, /4" BSPP vent C4007 C4008 0T -/4" SAE, /4" SAE vent C40 C40 4T -/" SAE, /4" SAE vent C40 C404 Dimensions mm (inch) Cartridge only Basic Code: LEV40 Torque cartridge in aluminum housing 08- Nm (80-90 ft lbs) nstallation drawing Basic Code: LEV45 /4 / Ports.0 (0.87) max Cavity A A/F.00 (.6) 6.50 (.50) 0.60 (4.00) (.46).00 (.6) 6.50 (.50) Vent () -5/8-UN-A 0.00 (0.79) (.99) 4.00 (0.55) 0.6 (4.00) (.6) (.97) 7.0 (5.00) 76.8 (.0).00 (.6) Tank () Pressure () Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January

30 - Additional products, product lines, and services offered by Eaton - More Power Control Whether they re original equipment or genuine remanufactured components, high performance hydraulic pumps and motors from Eaton deliver the functionality and durability you need to keep working. Wide range of solutions ndustry leading vane, piston, gear and geroter pumps and motors from Vickers, Eaton, Char-Lynn and Hydrokraft offer you hydraulic power components that are built tough for demanding industrial applications because uptime is critical in your busy world. For more information, visit Eaton Hydraulic Screw-in Cartridge Valves (SiCV) E-VLSC-MC00-E6 January 08

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