Home>Products>REXROTH Pressure relief valve>REXROTH ZDB 6 VP2-4X/200 R900428339 Pressure relief valve
REXROTH ZDB 6 VP2-4X/200 R900428339 Pressure relief valve
category
REXROTH Pressure relief valve
REXROTH ZDB 6 VP2-4X/200 SPECIFICATIONS
- REXROTH
ZDB 6 VP2-4X/200
- 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 ZDB 6 VP2-4X/200 R900428339 Pressure relief valve Frequently bought together
- 1.25 in
- 14 Tooth Splined
- 3525VQ
- 1.9375 in
- Double
- Buna-N
- 2400
- 1.04 in
- SAE C, 2 Bolt
- Single Shaft Seal
- 12/24
- 2500
- 2400
- N/A
- 21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm
- 1.248 in
- 1.247 in
- N/A
- N/A
- N/A
- 38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm
- 7.4
- 3000
- 3000
- 31.5
- 57
- w/o Integral Valves
- Outlet 135° CCW from Inlet
- Outlet Opposite Inlet
- 1 in Flange
- 1 1/4 in Flange
- 4.1
REXROTH ZDB 6 VP2-4X/200 REXROTH ZDB 6 VP2-4X/200 R900428339 Pressure relief valve Compare similar products
Cross reference REXROTH ZDB 6 VP2-4X/200 R900428339 Pressure relief valve | |||||||||
---|---|---|---|---|---|---|---|---|---|
No. | Brand | Z | N | H | E | d | V | T | b |
130FSF200 | NSK | - | - | - | - | 130 mm | - | - | - |
1200SLPT1751 | NSK | - | - | - | - | 1 200 mm | - | - | 780 mm |
1200SLPT1752 | NSK | - | - | - | - | 1 200 mm | - | - | 660 mm |
200TMP11 | NSK | - | - | - | - | 200 mm | - | - | - |
200TMP93 | NSK | - | - | - | - | 200 mm | - | - | - |
200TP171 | Timken | - | - | 685,8 mm | 533,4 mm | 508 mm | - | 139,7 mm | - |
200TP172 | Timken | - | - | 736,6 mm | 533,4 mm | 508 mm | - | 139,7 mm | - |
200TP173 | Timken | - | - | 787,4 mm | 533,4 mm | 508 mm | - | 152,4 mm | - |
200XRGV028 | NACHI | - | - | - | - | 200 mm | - | 30 mm | - |
200XRN28 | NACHI | - | - | - | - | 200 mm | - | 30 mm | - |
ZR3.20.2000.400-1SPPN | ISB | 111 mm | 54 mm | 132 mm | - | 1760 mm | 26 mm | - | - |
REXROTH Z2DB 6 VC2-4X/315 R900425647 Pressure relief valve | Cover End Pressure [Max:76.0 LB; Displacement Cover End (cu in/revolution):Flange Mount; Port Orientation - Cover End:Left Hand (CCW); Rotation:3525VQ38A21-11AA20-LH; Shaft Seal Type:3; Pilot Type:Flange; Manufacturer Part No.:N/A; GPM @ 1,800 rpm, Shaft End:Standard Pilot; Port Type:1.25 in; Pressure Port Size, Cover End:14 Tooth Splined; Pump Series:3525VQ; Shaft Length:1.9375 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2400; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2400; Controlled Flow Rate:N/A; Cover End Flow @ RPM:21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm; Manufacturer Part No.:3525VQ38A21-11AA20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:31.5; GPM @ 1,800 rpm, Shaft End:57; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 135° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:1 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):4.1; Displacement Shaft End (cu in/revolution):7.4; |
REXROTH DB 30-2-5X/350 R900504902 Pressure relief valve | GPM @ 1,800 rpm, Cover End:76.0 LB; Shaft Length:Flange Mount; Shaft Seal Type:Left Hand (CCW); Weight:3525VQ38A21-11AA20-LH; Port Orientation - Cover End:3; Seal Material:Flange; Port Type:N/A; Cover End Flow @ RPM:Standard Pilot; Minor Diameter [Max:1.25 in; Port Orientation - Shaft End:14 Tooth Splined; Pump Series:3525VQ; Shaft Length:1.9375 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2400; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2400; Controlled Flow Rate:N/A; Cover End Flow @ RPM:21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm; Manufacturer Part No.:3525VQ38A21-11AA20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:31.5; GPM @ 1,800 rpm, Shaft End:57; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 135° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:1 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):4.1; Displacement Shaft End (cu in/revolution):7.4; |
REXROTH DBW 20 B2-5X/200-6EG24N9K4 R900912860 Pressure relief valve | Relief Valve Setting:76.0 LB; Mounting Flange:Flange Mount; Weight:Left Hand (CCW); Cover End RPM [Max:3525VQ38A21-11AA20-LH; Shaft End Flow @ RPM:3; Shaft Type:Flange; Manufacturer Part No.:N/A; Displacement Shaft End (cu in/revolution):Standard Pilot; Integral Valve Configuration:1.25 in; Pilot Type:14 Tooth Splined; Pump Series:3525VQ; Shaft Length:1.9375 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2400; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2400; Controlled Flow Rate:N/A; Cover End Flow @ RPM:21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm; Manufacturer Part No.:3525VQ38A21-11AA20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:31.5; GPM @ 1,800 rpm, Shaft End:57; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 135° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:1 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):4.1; Displacement Shaft End (cu in/revolution):7.4; |
REXROTH DBW 30 B1-5X/350-6EG24N9K4 R900967730 Pressure relief valve | Shaft Length:76.0 LB; Seal Material:Flange Mount; Minor Diameter:Left Hand (CCW); Model No.:3525VQ38A21-11AA20-LH; Port Orientation - Shaft End:3; Major Diameter [Min:Flange; Port Type:N/A; Minor Diameter [Min:Standard Pilot; Displacement Cover End (cu in/revolution):1.25 in; Minor Diameter [Max:14 Tooth Splined; Pump Series:3525VQ; Shaft Length:1.9375 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2400; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2400; Controlled Flow Rate:N/A; Cover End Flow @ RPM:21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm; Manufacturer Part No.:3525VQ38A21-11AA20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:31.5; GPM @ 1,800 rpm, Shaft End:57; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 135° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:1 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):4.1; Displacement Shaft End (cu in/revolution):7.4; |
REXROTH ZDB 6 VP2-4X/315V R900409898 Pressure relief valve | Minor Diameter [Min:76.0 LB; Cover End Pressure [Max:Flange Mount; Port Size:Left Hand (CCW); Displacement Cover End (cu in/revolution):3525VQ38A21-11AA20-LH; Mounting Flange:3; Shaft End RPM [Max:Flange; GPM @ 1,800 rpm, Shaft End:N/A; Shaft Length:Standard Pilot; Cover End Flow @ RPM:1.25 in; Pressure Port Size, Cover End:14 Tooth Splined; Pump Series:3525VQ; Shaft Length:1.9375 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2400; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2400; Controlled Flow Rate:N/A; Cover End Flow @ RPM:21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm; Manufacturer Part No.:3525VQ38A21-11AA20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:31.5; GPM @ 1,800 rpm, Shaft End:57; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 135° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:1 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):4.1; Displacement Shaft End (cu in/revolution):7.4; |
REXROTH DBW 10 B1-5X/200-6EG24N9K4 R900923103 Pressure relief valve | Cover End RPM [Max:76.0 LB; Minor Diameter [Min:Flange Mount; Seal Material:Left Hand (CCW); Pilot Type:3525VQ38A21-11AA20-LH; Shaft Dia.:3; Max. RPM [Max:Flange; Weight:N/A; Major Diameter [Min:Standard Pilot; Controlled Flow Rate:1.25 in; Pressure Port Size, Cover End:14 Tooth Splined; Pump Series:3525VQ; Shaft Length:1.9375 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2400; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2400; Controlled Flow Rate:N/A; Cover End Flow @ RPM:21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm; Manufacturer Part No.:3525VQ38A21-11AA20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:31.5; GPM @ 1,800 rpm, Shaft End:57; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 135° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:1 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):4.1; Displacement Shaft End (cu in/revolution):7.4; |
REXROTH Z2DB 6 VD2-4X/200 R900422422 Pressure relief valve | Major Diameter [Max:76.0 LB; Shaft Key:Flange Mount; Major Diameter [Min:Left Hand (CCW); Seal Material:3525VQ38A21-11AA20-LH; Shaft Seal Type:3; Minor Diameter:Flange; Shaft Length:N/A; Pump Series:Standard Pilot; Integral Valve Configuration:1.25 in; Cover End RPM [Max:14 Tooth Splined; Pump Series:3525VQ; Shaft Length:1.9375 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2400; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2400; Controlled Flow Rate:N/A; Cover End Flow @ RPM:21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm; Manufacturer Part No.:3525VQ38A21-11AA20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:31.5; GPM @ 1,800 rpm, Shaft End:57; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 135° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:1 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):4.1; Displacement Shaft End (cu in/revolution):7.4; |
REXROTH DBW 10 B1-5X/315-6EG24N9K4 R900920863 Pressure relief valve | Port Orientation - Shaft End:76.0 LB; Pressure Port Size, Shaft End:Flange Mount; Pressure Port Size, Cover End:Left Hand (CCW); Minor Diameter [Min:3525VQ38A21-11AA20-LH; Minor Diameter:3; Pump Series:Flange; Relief Valve Setting:N/A; Pilot Type:Standard Pilot; Model No.:1.25 in; Displacement Cover End (cu in/revolution):14 Tooth Splined; Pump Series:3525VQ; Shaft Length:1.9375 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2400; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2400; Controlled Flow Rate:N/A; Cover End Flow @ RPM:21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm; Manufacturer Part No.:3525VQ38A21-11AA20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:31.5; GPM @ 1,800 rpm, Shaft End:57; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 135° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:1 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):4.1; Displacement Shaft End (cu in/revolution):7.4; |
REXROTH DB 20-1-5X/315 R900587346 Pressure relief valve | Pressure Port Size, Shaft End:76.0 LB; Mounting Flange:Flange Mount; Pressure Port Size, Cover End:Left Hand (CCW); Cover End RPM [Max:3525VQ38A21-11AA20-LH; Shaft Key:3; Shaft End RPM [Max:Flange; Rotation:N/A; Integral Valve Configuration:Standard Pilot; Shaft Length:1.25 in; Major Diameter [Min:14 Tooth Splined; Pump Series:3525VQ; Shaft Length:1.9375 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2400; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2400; Controlled Flow Rate:N/A; Cover End Flow @ RPM:21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm; Manufacturer Part No.:3525VQ38A21-11AA20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:31.5; GPM @ 1,800 rpm, Shaft End:57; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 135° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:1 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):4.1; Displacement Shaft End (cu in/revolution):7.4; |
REXROTH Z2DB 6 VD2-4X/100 R900422065 Pressure relief valve | Major Diameter [Max:76.0 LB; Port Type:Flange Mount; Port Orientation - Shaft End:Left Hand (CCW); Shaft End Pressure [Max:3525VQ38A21-11AA20-LH; Pilot Type:3; Seal Material:Flange; Pressure Port Size, Shaft End:N/A; Max. RPM [Max:Standard Pilot; Controlled Flow Rate:1.25 in; Manufacturer Part No.:14 Tooth Splined; Pump Series:3525VQ; Shaft Length:1.9375 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:2400; Minor Diameter:1.04 in; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:12/24; Cover End RPM [Max:2500; Shaft End RPM [Max:2400; Controlled Flow Rate:N/A; Cover End Flow @ RPM:21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm; Major Diameter [Max:1.248 in; Major Diameter [Min:1.247 in; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:38 gal/min @ 1200 rpm, 57 gal/min @ 1800 rpm; Manufacturer Part No.:3525VQ38A21-11AA20-LH; Cover End Pressure [Max:3000; Shaft End Pressure [Max:3000; GPM @ 1,800 rpm, Cover End:31.5; GPM @ 1,800 rpm, Shaft End:57; Integral Valve Configuration:w/o Integral Valves; Port Orientation - Cover End:Outlet 135° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:1 in Flange; Pressure Port Size, Shaft End:1 1/4 in Flange; Displacement Cover End (cu in/revolution):4.1; Displacement Shaft End (cu in/revolution):7.4; |
REXROTH ZDB 6 VP2-4X/200 R900428339 Pressure relief valve Video
Contact Us
- YUKEN Piston Pump Ltd.
- AddressNo. 7, Xiashi Road, Lunjiao Town, Shunde District, Foshan
- Phone(Working Time)86-13569923667
REXROTH ZDB 6 VP2-4X/200 Technical Articles
timken bearing dealer price list |
jtekt europe bearings cad model |
what is ina needle roller bearing |
REXROTH Pressure relief valve 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 ZDB 6 VP2-4X/200 Also Viewed
- REXROTH Z2DB 6 VD2-4X/100 R900422065 Pressure relief valve
- REXROTH DBW 10 B1-5X/200-6EG24N9K4 R900923103 Pressure relief valve
- REXROTH DBW 10 B1-5X/315-6EG24N9K4 R900920863 Pressure relief valve
- REXROTH DBDS 20 K1X/50 R900424205 Pressure relief valve
- REXROTH Z2DB 10 VD2-4X/50 R900444618 Pressure relief valve