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Parker Series R4V/R6V OBE Pilot Operated Proportional Pressure Relief Valve
The pilot operated proportional pressure relief valves R4V/R6V OBE form a compact unit with the integrated electronics. They provide an excellent balanced pressure behaviour.
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Parker’s pilot operated pressure relief valves series R4V OBE (DIN 24340 Form D) and R6V OBE (DIN 24340 Form E) for subplate mounting work stable across the whole pressure range and thus contribute to a smooth-running operation. Additionally they provide a wide range of options and connections for a versatile use in various applications.
The valves operate with a proportional solenoid operated pilot stage with digital electronics which controls a seated type main stage. R4V OBE and R6V OBE are optionally available with a mechanical maximum pressure adjustment.
Markets:
• Industrial
• Power generation
• Machine tools
Benefits:
• Wide range of options – suitable for almost every application
• Outstanding constant pressure behavior – supports reliable operation
• Very good pressure/flow behavior – contributes to a high energy efficiency of the system
• Onboard electronics – permits storage and loading of valve records, for fast configuration
• Electronics situated in a robust metal housing – allows the use in rough environments
• Compact design and flexible mounting – makes integration easy
• Short delivery time – no warehousing necessary
• Optional mechanical maximum pressure adjustment
Applications:
• Suitable for general hydraulic applications
• Machine tools
• General presses
Technical Specifications
| Mounting Type | Subplate mounting |
| Operation Type | Pilot |
| Actuation Type | Proportional |
| Weight | Depending on size, 4.5 to 8.6 kg |
| Product Series | Pressure valve |
| Maximum Flow Rate | Depending on size and valve type, 90 – 650 L/min |
| Maximum Operating Pressure | Ports P (or A) and X up to 350, port T (or B) and Y 30 bar |
| Maximum Operating Temperature | 60 °C |
| Minimum Operating Temperature | -20 °C |
| Seal Material | NBR, FPM |
| Body Material | Cast iron |
| For Fluid Type | Hydraulic oil according to DIN 51524, Water glycol |
| Pressure Control Range | 105, 210, 350 bar |
Parker Series R4V/R6V OBE Pilot Operated Proportional Pressure Relief Valve Service Manual
Parker Series R4V/R6V OBE Pilot Operated Proportional Pressure Relief Valve Service Manual
