Pilot Operated Pressure Reducing Relieving Valves - PRH121K50

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 PRH121K50
$182.48
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Adjustment MechanismKnobMounting TypeScrew in cartridge valve
Cracking PressureN/AFlow Rate30 GAL/MIN, 113.7 L/MIN
Pressure Control Range500-5000 PSI, 34.5-350 BARSeal 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
Actuation TypePressure SensingOperation TypeAutomatic
Adjustment MechanismKnobFunctionPilot Operated
Maximum Tank Pressure350 barMaximum Pressure Setting5000 psi
Port Thread Sizen/aWeight0.27 kg
Cavity SizeC12-3ConfigurationPressure Reducing/Relieving
Maximum Inlet Pressure Rating5500 psiFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
For Fluid TypeMineral-based or synthetic hydraulic fluidsValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-30 to +250 °FMounting TypeScrew in cartridge valve
Maximum Operating Temperature+93 °CInstallation Torque75 Nm
Leak RateN/A cc/minMaximum Drain Flow Rate0.25 Gal/min
Cracking PressureN/A psiStandard Setting Pressure172 bar
Flow Rate113.7 L/minMaximum Flow Rate113.7 L/min
Pressure Control Range500-5000 psiPressure Control Sensitivity1711 per turn psi
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