Pilot Operated Pressure Reducing Relieving Valves - PRH081F20

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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SKU: PRH081F20
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Products specifications
Attribute nameAttribute value
Maximum Operating Temperature+200 °FCracking PressureN/A psi
Valve MaterialAll parts steel. All operating parts hardened steelInstallation Torque32-36 lb-ft
DivisionHydraulic Systems DivisionCavity SizeC08-3
Operating Temperature-35 to +200 °FOperation TypeAutomatic
Mounting TypeScrew in cartridge valveMaximum Tank Pressure5000 psi
DivisionHydraulic Cartridge Systems DivisionMaximum Operating Pressure5000 psi
For Fluid TypeMineral-based or synthetic hydraulic fluidsConfigurationPressure Reducing/Relieving
Body Materialn/aMaximum Drain Flow Rate0.15 Gal/min
Seal MaterialD-Ring (Standard)Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Actuation TypePressure SensingWeight0.11 kg
Port Thread Sizen/aMaximum Inlet Pressure Rating380 bar
Leak RateN/A cc/minPressure Control SensitivityN/A psi
Flow Rate30 L/minPressure Control Range6.9-138 bar
Maximum Pressure Setting138 barMinimum Operating Temperature-35 °F
Maximum Flow Rate30 L/minAdjustment MechanismFixed
Standard Setting Pressure69 barMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
FunctionPilot Operated
Pressure Control Range100-2000 PSI, 6.9-138 BARSeal MaterialD-Ring (Standard)
Adjustment MechanismFixedFlow Rate8 GAL/MIN, 30 L/MIN
Cracking PressureN/AMounting TypeScrew in cartridge valve
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