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Picture of Parker PRH081T50V - Pilot Operated Pressure Reducing Relieving Valves

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Parker PRH081T50V - Pilot Operated Pressure Reducing Relieving Valves

Parker’s pilot operated acting reducing & relieving valves are used in applications where specific functions require reduced and regulated pressure. Capable of flows up to 150 lpm (40 gpm) and pressures up to 380 bar (5500 psi).
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Brand Parker
Part No. PRH081T50V
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Products specifications
Attribute nameAttribute value
Seal MaterialFluorocarbonBody Materialn/a
DivisionHydraulic Cartridge Systems DivisionDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-15 °F
Maximum Operating Pressure350 barMaximum Flow Rate30 L/min
Actuation TypePressure SensingOperation TypeAutomatic
Adjustment MechanismTamper ResistantFunctionPilot Operated
Flow Rate8 Gal/minMaximum Tank Pressure5000 psi
Port Thread Sizen/aWeight0.25 lb
Cavity SizeC08-3ConfigurationPressure Reducing/Relieving
Maximum Inlet Pressure Rating5500 psiInstallation Torque43-49 Nm
Maximum Operating Temperature+204 °CFor Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-26 to +204 °C
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Leak RateN/A cc/minMaximum Pressure Setting350 bar
Pressure Control Sensitivity131.7 per turn barCracking PressureN/A psi
Pressure Control Range200-5000 psiMaximum Drain Flow Rate0.56 L/min
Standard Setting Pressure172 barSeal MaterialFluorocarbon
Adjustment MechanismTamper ResistantFlow Rate8 GAL/MIN, 30 L/MIN
Mounting TypeScrew in cartridge valveCracking PressureN/A
Pressure Control Range200-5000 PSI, 13.8-350 BAR
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