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Parker Series EVSA Direct Operated Pressure Relief Valve
The flow compensated direct operated pressure relief valve series EVSA is a reliable seated type valve for screw-in mounting. It is predestined for pressure relieving of entire hydraulic systems.
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Parker’s direct operated pressure relief valve series EVSA is a flow compensated seated type valve for screw-in mounting and particularly suitable for the pressure relieving of hydraulic systems. Even at high flow rates the preset pressure remains virtually constant. It is available in two sizes (NG06 and NG10) and three pressure stages.
Markets:
• Industrial
• Machine tools
Benefits:
• Robust valve design – minimized failure
• Almost constant pressure level even at high flow rates – improved process and product accuracy
• Short delivery time for most versions – no warehousing necessary
• 3 pressure stages – makes selection and adaption easy
• 2 adjustment modes:
– screw with hexagon socket
– cylinder lock
Applications:
• Suitable for general hydraulic applications
• Machine tools
Technical Specifications
| Product Series | Pressure valve |
| Mounting Type | Screw-in cartridge |
| Operation Type | Direct |
| Actuation Type | Manually |
| Body Material | Steel |
| Connection Type | M28 x 1.5, M35 x 1.5 |
| Maximum Operating Pressure | Port T depressurized, Port P 315 bar |
| Pressure Control Range | 64, 160, 315 bar |
| Maximum Flow Rate | NG06/ 40, NG10/80 L/min |
| Maximum Operating Temperature | 60 °C |
| Minimum Operating Temperature | -20 °C |
| For Fluid Type | Hydraulic oil according to DIN 51524 |
| Seal Material | FPM |
| Weight | 0.3, with cylinder lock/0.45 kg |
| Mounting Position | Unrestricted |
Parker Series EVSA Direct Operated Pressure Relief Valve Service Manual
Parker Series EVSA Direct Operated Pressure Relief Valve Service Manual
