Pilot Operated Relief Valves - RAH201K20

Parker’s pilot operated relief valves are designed for continuous duty applications featuring great stability with low pressure drop; working with pressures up to 420 bar (6000 psi) and flows up to 400 lpm (106 gpm).
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SKU RAH201K20
POR
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Products specifications
Attribute nameAttribute value
Maximum Inlet Pressure Rating5500 PSI, 380 BARAdjustment MechanismKnob
Flow Rate100 GAL/MIN, 379 L/MINSeal MaterialNitrile
Pressure Control Range200-2000 PSI, 13.8-138 BARFlow Rate100
FunctionPilot OperatedDivisionHydraulic Valve Systems Division
ConfigurationPressure ReliefMaximum Operating Temperature+250
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Operating Temperature-30 to +250
Valve MaterialAll parts steel. All operating parts hardened steelMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Actuation TypePressure SensingPressure Control Range200-2000
Standard Setting Pressure1000Reseat Pressure80% of pressure setting
Maximum Pressure Setting2000Body Materialn/a
Maximum Tank Pressure5000Maximum Flow Rate100
Installation Torque98Seal MaterialNitrile
Minimum Operating Temperature-30Maximum Operating Pressure5000
Cavity SizeC20-2DivisionHydraulic Systems Division
Operation TypeAutomaticWeight2
Mounting TypeScrew in cartridge valveMaximum Inlet Pressure Rating5500
Adjustment MechanismKnobFor Fluid TypeMineral-based or synthetic hydraulic fluids
Pressure Control Sensitivity539 per turnLeak Rate5 per @ 100 psi (6.8 bar) setting
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