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Parker Series SVLB Hydraulically Pilot Operated Check Valve
The hydraulically pilot operated check valve series SVLB is based on Parker’s comprehensive modular DIN cartridge system. It is mainly used to shut-off the cylinder.
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Parker’s hydraulically pilot operated check valves series SVLB in cartridge design ensure a reliable shut-off of the cylinder for smooth operation. They allow free flow from A to B. The counter-flow direction is blocked. When pressure is applied to control port X, the ring chamber flow from B to A is released.
Markets:
• Industrial
Benefits:
• Proven design – allows a reliable cylinder shut-off
• Cavity and mounting pattern acc. to ISO 7368 – for quick and easy integration
• 5 sizes, NG16 to NG50 – makes selection easy
• Nominal flow up to 1800 l/min – optimum efficiency in relation to valve size
• Short delivery time for most variations – no warehousing necessary
• Pilot control ratio is 6:1
• Optionally with dampening poppet
Applications:
• Suitable for general hydraulic applications
• General presses
Technical Specifications
| Product Series | Check valve |
| Operation Type | Pilot |
| Actuation Type | Hydraulically |
| Mounting Type | Slip-in cartridge |
| Mounting Position | Unrestricted |
| Configuration | N/A |
| Maximum Operating Pressure | 350 bar |
| Cracking Pressure | N/A |
| Maximum Flow Rate | Depending on size, 250 – 1800 L/min |
| Flow Direction | A to B |
| Maximum Operating Temperature | 60 °C |
| Minimum Operating Temperature | -20 °C |
| Connection Size | N/A |
| Connection Type | N/A |
| Seal Material | NBR, FPM |
| Body Material | Cast iron |
| Weight | Depending on size, 2.3 up to 12.0 kg |
Parker Series SVLB Hydraulically Pilot Operated Check Valve Service Manual
Parker Series SVLB Hydraulically Pilot Operated Check Valve Service Manual
