Home>Products>REXROTH Directional spool valves>REXROTH 4WE 10 F3X/CW230N9K4 R900909021 Directional spool valves
REXROTH 4WE 10 F3X/CW230N9K4 R900909021 Directional spool valves
category
REXROTH Directional spool valves
REXROTH 4WE 10 F3X/CW230N9K4 SPECIFICATIONS
- REXROTH
4WE 10 F3X/CW230N9K4
- Negotiation
- Negotiation
- YUKEN Piston Pump Ltd.2020-07-10 09:46:19
Welcome to my shop! Glad to serve you! Please send your question!
REXROTH 4WE 10 F3X/CW230N9K4 R900909021 Directional spool valves Code description
- 0.875 in
- 13 Tooth Splined
- 2520VQ
- 1 3/8 in
- Buna-N
- 2700
- 0.715 in
- SAE B, 2 Bolt
- Single Shaft Seal
- 16/32
- 2700
- 2700
- N/A
- 5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm
- 0.873 in
- 0.872 in
- N/A
- N/A
- N/A
- 12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm
- 2520VQ12A5-11BC20LH
- 3000
- 3000
- 7.5
- 18
- w/o Integral Valves
- Outlet 45° CW from Inlet
- Outlet 90° CCW from Inlet
- 3/4 in Flange
- 1 in Flange
- 1.1
- 2.45
REXROTH 4WE 10 F3X/CW230N9K4 REXROTH 4WE 10 F3X/CW230N9K4 R900909021 Directional spool valves Product features
Cross reference REXROTH 4WE 10 F3X/CW230N9K4 R900909021 Directional spool valves | |||||||||
---|---|---|---|---|---|---|---|---|---|
No. | Brand | U | D | d | B | L | J | A | C |
100DC72300B | KOYO | - | 720 mm | 500 mm | 300 mm | - | - | - | 5580 kN |
140FSH230 | Timken | - | 230 mm | 140 mm | - | - | - | - | 80 mm |
160FS230 | Timken | - | 230 mm | 160 mm | - | - | - | - | 80 mm |
160FSF230 | NSK | 200 mm | 230 mm | 160 mm | 105 mm | - | - | - | 1250 kN |
110PCR2301 | NSK | - | - | 110 mm | - | 230 mm | 140 mm | 120 mm | - |
110PCR2303 | NSK | - | - | 110 mm | - | 230 mm | 170 mm | 135 mm | - |
VKHB 2304 | SKF | - | 140,000 | 65,000 | - | - | - | - | - |
VKHB 2306 | SKF | - | 150,000 | 100,000 | - | - | - | - | - |
YSA 205-2FK + H 2305 | SKF | - | 52 mm | 20 mm | 24 mm | - | - | - | 15 mm |
YSA 205-2FK + HE 2305 | SKF | - | 52 mm | 19.05 mm | 24 mm | - | - | - | 15 mm |
YSA 206-2FK + H 2306 | SKF | - | 62 mm | 25 mm | 28 mm | - | - | - | 18 mm |
REXROTH 4WE 6 G6X/EW230N9K4/B10 R901274600 Directional spool valves | Displacement Cover End (cu in/revolution):45.0 LB; Cover End Flow @ RPM:Flange Mount; Weight:Left Hand (CCW); Rotation:2520VQ12A5-11BC20LH; Shaft Length:2 1/2; Shaft End Pressure [Max:Flange; Integral Valve Configuration:N/A; Shaft Dia.:Standard Pilot; Manufacturer Part No.:0.875 in; Major Diameter [Max:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ12A5-11BC20LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:18; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet 90° CCW from Inlet; Pressure Port Size, Cover End:3/4 in Flange; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):2.45; |
REXROTH 4WE 6 M6X/EW230N9K4/V R900973127 Directional spool valves | Seal Material:45.0 LB; Mounting:Flange Mount; Cover End Flow @ RPM:Left Hand (CCW); Displacement Cover End (cu in/revolution):2520VQ12A5-11BC20LH; Cover End Pressure [Max:2 1/2; Shaft End Pressure [Max:Flange; Shaft Length:N/A; Pilot Type:Standard Pilot; Minor Diameter [Max:0.875 in; Weight:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ12A5-11BC20LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:18; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet 90° CCW from Inlet; Pressure Port Size, Cover End:3/4 in Flange; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):2.45; |
REXROTH 4WE 6 Q6X/EW230N9K4 R900925546 Directional spool valves | Cover End Flow @ RPM:45.0 LB; Major Diameter [Min:Flange Mount; Model No.:Left Hand (CCW); Shaft End Pressure [Max:2520VQ12A5-11BC20LH; Pressure Port Size, Shaft End:2 1/2; Shaft Type:Flange; Cover End Pressure [Max:N/A; Minor Diameter [Max:Standard Pilot; Cover End RPM [Max:0.875 in; Port Orientation - Cover End:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ12A5-11BC20LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:18; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet 90° CCW from Inlet; Pressure Port Size, Cover End:3/4 in Flange; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):2.45; |
REXROTH 4WE 10 W3X/CW230N9K4 R900521281 Directional spool valves | Shaft Length:45.0 LB; Displacement Shaft End (cu in/revolution):Flange Mount; Shaft End Pressure [Max:Left Hand (CCW); Major Diameter [Max:2520VQ12A5-11BC20LH; Cover End RPM [Max:2 1/2; Minor Diameter:Flange; Cover End Flow @ RPM:N/A; Port Type:Standard Pilot; Max. RPM [Max:0.875 in; Port Size:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ12A5-11BC20LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:18; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet 90° CCW from Inlet; Pressure Port Size, Cover End:3/4 in Flange; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):2.45; |
REXROTH 4WE 6 D6X/OFEW230N9K4/B10 R900944808 Directional spool valves | GPM @ 1,800 rpm, Shaft End:45.0 LB; Spline Description:Flange Mount; Model No.:Left Hand (CCW); Port Type:2520VQ12A5-11BC20LH; Shaft Type:2 1/2; Shaft Dia.:Flange; Pressure Port Size, Shaft End:N/A; Port Size:Standard Pilot; Manufacturer Part No.:0.875 in; Cover End Flow @ RPM:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ12A5-11BC20LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:18; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet 90° CCW from Inlet; Pressure Port Size, Cover End:3/4 in Flange; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):2.45; |
REXROTH 3WE 6 B6X/EW230N9K4/V R900716175 Directional spool valves | Pump Series:45.0 LB; Pilot Type:Flange Mount; Relief Valve Setting:Left Hand (CCW); Controlled Flow Rate:2520VQ12A5-11BC20LH; Port Orientation - Cover End:2 1/2; Shaft Length:Flange; Port Type:N/A; Shaft Key:Standard Pilot; Manufacturer Part No.:0.875 in; Shaft Dia.:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ12A5-11BC20LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:18; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet 90° CCW from Inlet; Pressure Port Size, Cover End:3/4 in Flange; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):2.45; |
REXROTH 4WE 6 J6X/EW230N9K4 R900911762 Directional spool valves | Port Type:45.0 LB; Mounting:Flange Mount; Weight:Left Hand (CCW); GPM @ 1,800 rpm, Shaft End:2520VQ12A5-11BC20LH; Minor Diameter [Max:2 1/2; Cover End Pressure [Max:Flange; Pressure Port Size, Cover End:N/A; GPM @ 1,800 rpm, Cover End:Standard Pilot; Shaft End Pressure [Max:0.875 in; Displacement Shaft End (cu in/revolution):13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ12A5-11BC20LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:18; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet 90° CCW from Inlet; Pressure Port Size, Cover End:3/4 in Flange; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):2.45; |
REXROTH 4WE 6 F6X/EW230N9K4 R900929237 Directional spool valves | Cover End RPM [Max:45.0 LB; Weight:Flange Mount; Shaft End RPM [Max:Left Hand (CCW); Cover End Flow @ RPM:2520VQ12A5-11BC20LH; Model No.:2 1/2; Port Size:Flange; Spline Description:N/A; Minor Diameter [Min:Standard Pilot; Seal Material:0.875 in; Pilot Type:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ12A5-11BC20LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:18; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet 90° CCW from Inlet; Pressure Port Size, Cover End:3/4 in Flange; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):2.45; |
REXROTH 4WE 6 C6X/OFEW230N9K4 R900927854 Directional spool valves | Seal Material:45.0 LB; Cover End Flow @ RPM:Flange Mount; Shaft End RPM [Max:Left Hand (CCW); Relief Valve Setting:2520VQ12A5-11BC20LH; Shaft Type:2 1/2; Rotation:Flange; Shaft Seal Type:N/A; GPM @ 1,800 rpm, Shaft End:Standard Pilot; Max. RPM [Max:0.875 in; Port Size:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ12A5-11BC20LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:18; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet 90° CCW from Inlet; Pressure Port Size, Cover End:3/4 in Flange; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):2.45; |
REXROTH 3WE 6 A6X/EW230N9K4/V R900717801 Directional spool valves | Manufacturer Part No.:45.0 LB; Shaft Seal Type:Flange Mount; Minor Diameter [Min:Left Hand (CCW); Relief Valve Setting:2520VQ12A5-11BC20LH; Displacement Shaft End (cu in/revolution):2 1/2; Pilot Type:Flange; Port Type:N/A; Integral Valve Configuration:Standard Pilot; Minor Diameter [Max:0.875 in; Minor Diameter:13 Tooth Splined; Pump Series:2520VQ; Shaft Length:1 3/8 in; Seal Material:Buna-N; Max. RPM [Max:2700; Minor Diameter:0.715 in; Mounting Flange:SAE B, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:16/32; Cover End RPM [Max:2700; Shaft End RPM [Max:2700; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:0.873 in; Major Diameter [Min:0.872 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:12 gal/min @ 1200 rpm, 18 gal/min @ 1800 rpm; Manufacturer Part No.:2520VQ12A5-11BC20LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:18; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 45° CW from Inlet; Port Orientation - Shaft End:Outlet 90° CCW from Inlet; Pressure Port Size, Cover End:3/4 in Flange; Pressure Port Size, Shaft End:1 in Flange; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):2.45; |
REXROTH 4WE 10 F3X/CW230N9K4 R900909021 Directional spool valves Video
Contact Us
- YUKEN Piston Pump Ltd.
- AddressNo. 7, Xiashi Road, Lunjiao Town, Shunde District, Foshan
- Phone(Working Time)86-13569923667
REXROTH 4WE 10 F3X/CW230N9K4 Technical Articles
timken bearing dealer price list |
jtekt europe bearings cad model |
what is ina needle roller bearing |
REXROTH Directional spool valves CATEGORIES
- YUKEN Single Vane Pump
- YUKEN Double Vane Pump
- YUKEN Piston Pump
- YUKEN Solenoid Directional Valve
- YUKEN Pressure Valve
- Vickers Ten Way Solenoid Valve
- Vickers Superposition Valve
- Vickers X Series Valve
- SKF Bearing
- Timken Bearing
- AMI Bearing
- CONSOLIDATED BEARING
- QM INDUSTRIES Bearing
- REXNORD Bearing
- SEALMASTER Bearing
- SMITH Bearing
- REXROTH HY-CHECK VALVE
- REXROTH Throttle check valves
- REXROTH Pressure reducing valve
- REXROTH Directional spool valves
- REXROTH Throttle check valve
- REXROTH Twin throttle check valve
- REXROTH Directional poppet valves
- REXROTH Throttle valves
- REXROTH Check valves
- REXROTH Pressure relief valve
- REXROTH Valves
- 6207 c3 Bearing
- 22317 Bearing
- skf km11 Bearing
- skf tih030m Bearing
Customers Who Viewed REXROTH 4WE 10 F3X/CW230N9K4 Also Viewed
- REXROTH 4WE 6 C6X/OFEW230N9K4 R900927854 Directional spool valves
- REXROTH 4WE 6 E6X/EG24N9K4/V R900903464 Directional spool valves
- REXROTH 3WMM 6 B5X/ R900496518 Directional spool valves
- REXROTH 4WE 10 U5X/EG24N9K4/M R901278778 Directional spool valves
- REXROTH 4WE 6 D6X/OFEW230N9K4/B10 R900944808 Directional spool valves