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Picture of Parker PRH161S10 - Pilot Operated Pressure Reducing Relieving Valves

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Parker PRH161S10 - 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. PRH161S10
$129.38
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Body Materialn/aMaximum Operating Pressure5000 psi
DivisionHydraulic Cartridge Systems DivisionDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-34 °C
Maximum Flow Rate40 Gal/minActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismScrew
FunctionPilot OperatedMaximum Tank Pressure5000 psi
Port Thread Sizen/aCavity SizeC16-3
Weight0.75 lbConfigurationPressure Reducing/Relieving
Maximum Inlet Pressure Rating5500 psiMaximum Operating Temperature+250 °F
For Fluid TypeMineral-based or synthetic hydraulic fluidsValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-30 to +250 °FFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveMaximum Pressure Setting1000 psi
Standard Setting Pressure34.5 barPressure Control Sensitivity19.6 per turn bar
Cracking PressureN/A psiPressure Control Range6.9-69 bar
Flow Rate151.4 L/minMaximum Drain Flow Rate0.5 Gal/min
Leak Rate5 per 100 PSI (6.9 BAR) setting cc/minInstallation Torque121-125 lb-ft
Seal MaterialNitrileAdjustment MechanismScrew
Mounting TypeScrew in cartridge valveCracking PressureN/A
Pressure Control Range100-1000 PSI, 6.9-69 BARFlow Rate40 GAL/MIN, 151.4 L/MIN
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