Parker PRH081T10 - 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. PRH081T10
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Products specifications
Attribute nameAttribute value
Body Materialn/aMaximum Operating Pressure5000 psi
DivisionHydraulic Cartridge Systems DivisionDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-35 °F
Maximum Flow Rate30 L/minFlow Rate30 L/min
Actuation TypePressure SensingOperation TypeAutomatic
Adjustment MechanismTamper ResistantFunctionPilot Operated
Maximum Tank Pressure350 barPort Thread Sizen/a
Seal MaterialD-Ring (Standard)Weight0.25 lb
Cavity SizeC08-3ConfigurationPressure Reducing/Relieving
Maximum Inlet Pressure Rating5500 psiInstallation Torque43-49 Nm
For Fluid TypeMineral-based or synthetic hydraulic fluidsValve MaterialAll parts steel. All operating parts hardened steel
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Operating Temperature-35 to +200 °FMaximum Operating Temperature+93 °C
Leak RateN/A cc/minMaximum Pressure Setting69 bar
Standard Setting Pressure34.5 barCracking PressureN/A psi
Pressure Control Range100-1000 psiMaximum Drain Flow Rate0.56 L/min
Pressure Control Sensitivity285 per turn psiAdjustment MechanismTamper Resistant
Flow Rate8 GAL/MIN, 30 L/MINMounting TypeScrew in cartridge valve
Cracking PressureN/ASeal MaterialD-Ring (Standard)
Pressure Control Range100-1000 PSI, 6.9-69 BAR
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