Parker RAH101T20N - Pilot Operated Relief Valves

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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Brand Parker
Part No. RAH101T20N
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileBody Materialn/a
Minimum Operating Temperature-30Maximum Operating Pressure5000
DivisionHydraulic Valve Systems DivisionDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Weight0.5
Flow Rate30Maximum Flow Rate30
ConfigurationPressure ReliefActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismTamper Resistant
FunctionPilot OperatedCavity SizeC10-2
Maximum Tank Pressure5000Maximum Inlet Pressure Rating5000
For Fluid TypeMineral-based or synthetic hydraulic fluidsValve MaterialAll parts steel. All operating parts hardened steel
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Operating Temperature-30 to +250
Maximum Operating Temperature+250Mounting TypeScrew in cartridge valve
Installation Torque51-55Standard Setting Pressure1000
Maximum Pressure Setting2000Pressure Control Range100-2000
Pressure Control Sensitivity570 per turnLeak Rate5 per @ 100 psi (6.8 bar) setting
Reseat Pressure90% of pressure settingSeal MaterialNitrile
Adjustment MechanismTamper ResistantMaximum Inlet Pressure Rating5000 PSI, 350 BAR
Flow Rate30 GAL/MIN, 113 L/MINPressure Control Range100-2000 PSI, 6.9-138 BAR
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