Monobloc and Sectional Directional Control Valves

Transcription

1 Monobloc and Sectional Directional Control Valves motion and progress 1/220

2 10 Sectional directional control valves HDS20 Contents 10.1 General specifications Dimensional data erformances curves Inlet covers nd covers Sectional bodies Spool charts Hydraulic circuits Spool actions Lever styles Anti shock and anti cavitation valves Hydraulic neumatic controls ON Off neumatic controls Hydraulic roportional control lectro Hydraulic controls Solenoids for pilot electrovalves HI H Intermediate sections /220

3 10.1 General specifications Max flow rate Max continuous operating pressure supply port Max intermittent peak pressure Work port A/B Max back pressure Oil temperature echnical specification l/min U.S.G..M. SI SI SI C F to to 180 Oil viscosity mm 2 /s 16 to 75 Oil filtration 30 Spool leakage at 100 (1450 SI), emp. 50 C (120 F), viscosity 27 mm 2 /s: Maximum Average cm 3 /min Cu. In./min cm 3 /min Cu. In./min Lower values on demand (to be agreed with our Sales Dept..) Number of spools 1 to 10 Adjustable direct acting relief valve (tamper proof seal available on request) Load hold check valve in each section Cartridge anti shock, anti cavitation and service relief valve Weight RV LC OA UC C Version kg lb Inlet with RV spool section nd cover standard Material specification: Body: High strength cast iron. Spool: Hardened steel Chrome plated. Seals: Buna N" Standard features: 1) Internal load holding check valves (prevent reverse flow through valve when shifting) 2) arallel circuit. 3) Balanced interchangeable spools (provides minimum leakage, smooth operation) 4) Wide selection inlets, work ports, and outlets threaded ports. 5) Negative overlapping of the spool Optional features available: 1) Open or closed centre circuit, 3 or 4 way operations, 3 or 4 position (floating position), full open centre (motor spool) and other spool options. 2) Carry over. 3) Series connection and priority pressure. 4) Compensated lever assembly Symbols: : inlet port : outlet port A/B: work ports H..C.O.: carry over RV: relief valve 1 1 : side inlet and outlet : spool position : pressure line : exhaust line : centre line (by pass). 177/220

4 10.2 Dimensional data 20+5 Nm 1 H..C.O. A M10X1.5 1 B os.3 os.1 os.2 RV (see 10.10) RSS B RSS B os.2: SROK 7 mm..28" 0 os.1: SROK 7 mm..28" os.3: SROK 12 mm..47" Float RSS A os.2: SROK 7.5 mm..30" 0 os.1: SROK 7.5 mm..30" RSS A Dimensional data shown in mm and inches x.: 80 = mm 3.14" = inches N. of sections Dimen ension n A B " 6.30" 7.87" 9.45" 11" 12.60" 14.17" 15.74" 17.32" 18.90" " 7.08" 8.66" 10.23" 11.81" 13.38" 14.96" 16.53" 18.11" 19.68" 178/220

5 10.3 erformance curves arallel circuit Oil: Shell ellus 37 emperature: 50 C (120 F) Viscosity: 27 mm 2 /s A / B ressure drop ressure drop SI U.S.G..M. SI U.S.G..M. l/min Flow rate l/min Flow rate A / B Metering Std. Spools A/B 50 ressure drop Flow rate A/B 50 A/B 150 SI U.S.G..M. l/min U.S.G..M. inches A/B 150 l/min mm Flow rate Stroke 179/220

6 Series circuit Oil: Shell ellus 37 emperature: 50 C (120 F) Viscosity: 27 mm 2 /s A1 B2 Spool X ressure drop ressure drop SI U.S.G..M. SI U.S.G..M. l/min l/min Flow rate Flow rate ransient hydraulic characteristics Relief Valve RV Relief valve oscillogram (Q= 21 U.S.G..M.) (Q= 80 l/min.) ressure setting eak Setting SI U.S.G..M. l/min sec. Opening time Flow rate 180/220

7 10.4 Inlet covers Adjustable direct acting Relief Valve RV Relief valve set at 30 l/min (8 U.S.G..M.) Ø D ressure set range (SI) Std. setting (SI) Spring colour ( ) 60 (860) 06 Yellow (Y) ( ) 150 (2100) 15 Green (GR) ( ) 260 (3700) 26 Blue (BL) RV Right inlet manifold (standard) with and RV for parallel circuit Ø D standard: 3/4 BS Ø D M22X * /4 BS 02 * SA12 04 * * Group code with RV set at standard pressure 150 (2100 SI) Left inlet manifold with and RV (standard on series circuit) Ø D standard: 3/4 BS Ø D M22X * /4" BS 10 * SA12 12 * * Group code with RV set at standard pressure 150 (2100 SI) 10.5 nd covers D Carry over lug 3/8 DIN 906 H..C.O. 181/220

8 Left outlet cover with for parallel circuit (Standard) D M22X /4" BS std SA Ø D Standard 3/4 BS Left outlet cover with and carry over H..C.O. H..C.O. D M22X /4" BS std SA Ø D Standard 3/4 BS Right outlet cover with (standard on series circuit) D M22X /4" BS std SA Ø D Standard 3/4 BS Right outlet cover with and carry over H..C.O. H..C.O. D M22X /4" BS std SA Ø D Standard 3/4 BS 182/220

9 10.6 Sectional bodies Standard circuit: parallel / (UC OA C) D D M18X1.5 Standard K Section with valve UC OA C K A B 1/2" BS std K K SA 10 K K cyl. A cyl. B Optional circuit: series and tandem / D Standard Section with valve UC OA C (UC OA C) M18X1.5 K K D 1/2" BS std K K SA10 K K cyl. A cyl. B Note: Body code consist of machined casting, seals and hold check valve only. Not to be used for complete valve order. 183/220

10 10.7 Spool charts Spool scheme Spool features 4 way 3 position A A/B: blocked : open by pass AS* 4 way 3 position A/B: blocked : closed B 3 way 3 position A: blocked : open by pass 4 way 3 position A/B: blocked series connection 4 way 3 position A/B: to tank in neutral series connection S SS* X XC 4 way 3 position A/B to tank in neutral : open by pass C CS* 4 way 4 position 4 th float position Z 4 way 3 position A: blocked B: to tank in neutral D 4 way 3 position A/B: blocked Load Sensing LSA ** 3 way 3 position B: blocked : open by pass G GS* 4 way 3 position A/B: to tank in neutral Load Sensing LSC ** 4 way 3 position B: blocked A: to tank in neutral L 3 way 3 position B: blocked Load Sensing LSG ** 4 way 3 position with regenerative spool in 2 nd pos. R** 3 way 3 position A: blocked Load Sensing LSS ** **: special body required *: high metering spool (max flow suggested 50 l/min) Note: For availability of L/S versions please contact our Sales Department 10.8 Hydraulic circuits Standard parallel circuit Optional tandem circuit 02 K02 G K02 C K02 A K02 A K47 A K47 A 10 B A B A B B A B A B A Optional series circuit Combined parallel/series circuit 10 K02 X K47 X K47 A K02 X K47 A K02 A 10 B A B A B A B A B A B A 184/220

11 10.9 Spool actions Spool position Stroke mm Initial hand lever position Hand lever in detent position Spring return position of hand lever Spool position corresponds to hand lever position F (N) = force in Newton (N) needed to operate the spool F (N) 350 Spool position control type 01 (standard) Note: consult factory for different configurations Spool positioners dimensions Spool positioners: Microswitch control Spool positioner: 128 (Z spool type) Spool positioner: Microswitch is operated when the spool is in pos.1 and 2 46 Microswitch is operated when the spool is in pos.1 47 Microswitch is operated when the spool is pos.2 he microswitch is supplied only on customer s request. 185/220

12 10.10 Lever styles L L100 M10X L Lo M10X1.5 mm Lo inches AL001 AL AL AL M10X Safety levers L47 L " " 186/220

13 Remote cable control Lever Support M10X1.5 mm Lo inches AL L AL AL Optional M10X AL Cable Cable length Spool Kit Cables are assembled on the valve only on request and with an extra charge mm 1500 mm 2000 mm 2500 mm 3000 mm 4000 mm L M10X1.5 L Fulcrum Fulcrum (AL010) Stick Lever M12X1.75 Only for rod remote control Cross joystick for dual axis control Optional L134 Fulcrum Fulcrum 2 AL A B A B Lo=250 M12x1.75 L133 L134 are supplied complete with rubber boot protection 187/220

14 10.11 Anti shock and anti cavitation valves ort relief valve settings ressure set range (SI) Std. setting (SI) Spring colour ( ) 60 (860) 06 Yellow (Y) ( ) 150 (2100) 15 Green (GR) ( ) 260 (3700) 26 Blue (BL) ort relief valve OA ressure setting Flow rate l/min Anti cavitation valve C ressure drop Flow rate l/min Combined port relief and anti cavitation valve UC ressure setting l/min Flow rate 188/220

15 10.12 Hydraulic neumatic control ON OFF H Operating conditions Hydraulic control: ressure range: (): Min. 6 Max. 15 (SI): Min. 85 Max. 215 neumatic control: ressure range: (): Min. 6 Max. 10 (SI): Min. 85 Max neumatic controls neumatic proportional control lectro pneumatic control ON OFF Voltage 12 VDC VDC lectrical data Insulation class H 180 C (356 F) ncapsulation material: nylon emperature range: 10 C to 80 C (14 F to 170 F) Duty cycle: 100% at 68 F ambient Voltage variation: 10% to + 15% of nominal voltage ower consumption DC 10 W lectrical connection: DIN43650/A (2 + ) Cable connection G9 rotection class: I65 (with connector) Operating conditions ressure range: (): Min. 6 Max. 10 (SI): Min. 85 Max. 145 Ambient temperature: 10 C to 50 C (14 F to 122 F) Response time: 6 8 milliseconds Mounting in any position 189/220

16 10.14 Hydraulic roportional control H Joystick adjustment diagram Adjustment range: (): Min. 5 Max. 30 (SI): Min. 70 Max Outlet pressure () /220

17 10.15 lectro Hydraulic controls lectro hydraulic control internal pilot version ON OFF with pressure reducing valve HI 263* ressure reducing valve For solenoid see chapter p min= 10 (145 SI) VC p max= 15 (215 SI) VC Return back pressure valve code (to order separately) Mechanical and hydraulic features Max pressure on p port (4300 SI) Reduced pressure after pressure reducing valve (145 SI) Fixed delivery on p pilot line l/min (0.26 U.S.G..M) Leakage of pressure reducing valve (in neutral pos.) ml/min ( 6.1 in 3 /min ) Min. suggested filtration micron Operating oil temperature min. 30 C max 90 C min. 22 F max 194 F * HI263 version special body required 191/220

18 lectro hydraulic control external pilot version ON OFF Description Inlet section H Intermediate section H nd section H For solenoid see chapter lectro hydraulic control external pilot version ON OFF with pressure reducing valve on inlet manifold Description Inlet section H For solenoid see chapter Mechanical and hydraulic features ilot pressure with pressure reducing valve (175 SI) ilot flow to each working section: 1 l/min (0.26 U.S.G..M.) Operating oil temperature min. 30 C max. 90 C min. 22 F max 194 F Leakage of pressure reducing valve (in neutral pos.) ml/min (6.1 in 3 /min) Min. suggested filtration micron 192/220

19 10.16 Solenoids for pilot electrovalves HI H Wire class F (VD 0580) Coil insulation I65 (DIN 40050) Duty rating D 100% Stabilized temperature 70 C Voltage tolerance ± 10% Supply Nominal ower voltage coil voltage (Watt) Resistance (Ohm) Current (Ampere) Ambient temp. Stabilized temp. Ambient temp. Stabilized temp. Coil code 12 V. DC 12 V. DC V. DC 24 V. DC V. AC 21.6 V. DC V. AC 98 V. DC V. AC 198 V. DC D.C. art number A.C. art number Armour clamp g 9 cable 6 8 mm Diodes 1N 4007 G Overvoltage protection VDR Connector type DIN Number of poles 2 + Supply voltage max. 220 V Nom. capacity at contacts 10 Ampere Max capacity at contacts 16 Ampere Resistance at contacts 4 mohm Max section of cable 1.5 mm 2 Outer material Glass fibre reinforced nylon rotection factor I65 (DIN 40050) Insulation class C (VD 0110) emperature range C 193/220

20 10.17 Intermediate sections Section with relief valve K RV1 RV Section with intermediate inlet pressure and outlet return ports (with independent flows) K (3/4" BS) 1 RV1 RV Section with outlet return port K RV1 RV2 194/220

21 Section with intermediate inlet pressure and outlet return ports (with combined flows) K (3/4" BS) 1 RV1 RV2 195/220

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