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Picture of Parker PRH121S30 - Pilot Operated Pressure Reducing Relieving Valves

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker PRH121S30 - 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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Partner Available:5 In Stock
Brand Parker
Part No. PRH121S30
$144.19
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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
Actuation TypePressure SensingMaximum Pressure Setting3000 psi
Operation TypeAutomaticAdjustment MechanismScrew
FunctionPilot OperatedMaximum Tank Pressure5000 psi
Port Thread Sizen/aWeight0.6 lb
Cavity SizeC12-3Maximum Flow Rate30 Gal/min
ConfigurationPressure Reducing/RelievingMaximum Inlet Pressure Rating5500 psi
Maximum Operating Temperature+250 °FFor 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
Flow Rate30 Gal/minInstallation Torque75 Nm
Leak RateN/A cc/minMaximum Drain Flow Rate0.94 L/min
Standard Setting Pressure103.5 barCracking PressureN/A psi
Pressure Control Range20.7-210 barPressure Control Sensitivity60 per turn bar
Seal MaterialNitrileAdjustment MechanismScrew
Mounting TypeScrew in cartridge valveCracking PressureN/A
Flow Rate30 GAL/MIN, 113.7 L/MINPressure Control Range300-3000 PSI, 20.7-210 BAR
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