Parker RAH101T50 - 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. RAH101T50
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Products specifications
Attribute nameAttribute value
Body Materialn/aMaximum Operating Pressure5000 psi
DivisionHydraulic Cartridge Systems DivisionDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-35 °F
Weight0.23 kgMaximum Operating Temperature+200 °F
ConfigurationPressure ReliefActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismTamper Resistant
FunctionPilot OperatedCavity SizeC10-2
Maximum Tank Pressure5000 psiMaximum Pressure Setting5000 psi
Maximum Inlet Pressure Rating5000 psiSeal MaterialD-Ring (Standard)
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 4Mounting TypeScrew in cartridge valve
Operating Temperature-35 to +200 °FInstallation Torque51-55 lb-ft
Flow Rate113 L/minMaximum Flow Rate113 L/min
Standard Setting Pressure2500 psiPressure Control Sensitivity131.7 per turn bar
Pressure Control Range13.8-350 barReseat Pressure90% of pressure setting
Leak Rate5 per @ 100 psi (6.8 bar) setting cm3/minAdjustment MechanismTamper Resistant
Maximum Inlet Pressure Rating5000 PSI, 350 BARSeal MaterialD-Ring (Standard)
Flow Rate30 GAL/MIN, 113 L/MINPressure Control Range200-5000 PSI, 13.8-350 BAR
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