Parker RAH101S10N - 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. RAH101S10N
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileBody Materialn/a
Maximum Operating Pressure5000 psiDivisionHydraulic Cartridge Systems Division
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Weight0.23 kgMinimum Operating Temperature-34 °C
ConfigurationPressure ReliefActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismScrew
FunctionPilot OperatedCavity SizeC10-2
Maximum Tank Pressure350 barMaximum Inlet Pressure Rating5000 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
Installation Torque51-55 lb-ftFlow Rate113 L/min
Maximum Flow Rate113 L/minMaximum Pressure Setting1000 psi
Standard Setting Pressure34.5 barPressure Control Sensitivity19.6 per turn bar
Pressure Control Range6.9-69 barReseat Pressure90% of pressure setting
Leak Rate5 per @ 100 psi (6.8 bar) setting cm3/minSeal MaterialNitrile
Adjustment MechanismScrewMaximum Inlet Pressure Rating5000 PSI, 350 BAR
Flow Rate30 GAL/MIN, 113 L/MINPressure Control Range100-1000 PSI, 6.9-69 BAR
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