Parker PRH161T30 - 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. PRH161T30
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileBody Materialn/a
DivisionHydraulic Cartridge Systems DivisionDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-30 °F
Weight0.34 kgMaximum Operating Pressure350 bar
Actuation TypePressure SensingMaximum Pressure Setting3000 psi
Operation TypeAutomaticAdjustment MechanismTamper Resistant
FunctionPilot OperatedMaximum Tank Pressure5000 psi
Port Thread Sizen/aCavity SizeC16-3
ConfigurationPressure Reducing/RelievingMaximum Inlet Pressure Rating5500 psi
Flow Rate40 Gal/minFor Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-30 to +250 °F
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Maximum Operating Temperature+93 °CStandard Setting Pressure103.5 bar
Pressure Control Sensitivity859 per turn psiCracking PressureN/A psi
Installation Torque164-170 NmPressure Control Range300-3000 psi
Maximum Drain Flow Rate0.5 Gal/minLeak Rate5 per 100 PSI (6.9 BAR) setting cc/min
Maximum Flow Rate151.4 L/minSeal MaterialNitrile
Adjustment MechanismTamper ResistantMounting TypeScrew in cartridge valve
Cracking PressureN/AFlow Rate40 GAL/MIN, 151.4 L/MIN
Pressure Control Range300-3000 PSI, 20.7-210 BAR
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