Pilot Operated Pressure Reducing Relieving Valves - PRH161S50

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 PRH161S50
$150.08
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Adjustment MechanismScrewMounting TypeScrew in cartridge valve
Cracking PressureN/APressure Control Range500-5000 PSI, 34.5-350 BAR
Flow Rate40 GAL/MIN, 151.4 L/MINSeal MaterialNitrile
Body Materialn/aDivisionHydraulic Cartridge Systems Division
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-30 °FMaximum Operating Pressure350 bar
Maximum Flow Rate40 Gal/minActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismScrew
FunctionPilot OperatedMaximum Tank Pressure350 bar
Maximum Pressure Setting5000 psiPort Thread Sizen/a
Cavity SizeC16-3Weight0.75 lb
ConfigurationPressure Reducing/RelievingMaximum Inlet Pressure Rating5500 psi
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4For Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-30 to +250 °F
Mounting TypeScrew in cartridge valveMaximum Operating Temperature+93 °C
Pressure Control Sensitivity1910 per turn psiCracking PressureN/A psi
Standard Setting Pressure172 barPressure Control Range500-5000 psi
Maximum Drain Flow Rate0.5 Gal/minFlow Rate151.4 L/min
Installation Torque164-170 NmLeak Rate5 per 100 PSI (6.9 BAR) setting cc/min
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