Pilot Operated Relief Valves - RAH161S50

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 RAH161S50
$150.08
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Adjustment MechanismScrewMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range500-5000 PSI, 34.5-350 BARFlow Rate80 GAL/MIN, 302.8 L/MIN
Seal MaterialNitrileBody Materialn/a
Maximum Operating Pressure5000 psiDivisionHydraulic Cartridge Systems Division
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-30 °FWeight0.34 kg
ConfigurationPressure ReliefActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismScrew
FunctionPilot OperatedMaximum Tank Pressure5000 psi
Maximum Pressure Setting5000 psiCavity SizeC16-2
Maximum Inlet Pressure Rating5500 psiMaximum Operating Temperature+250 °F
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4For Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-34 to +121 °C
Mounting TypeScrew in cartridge valvePressure Control Sensitivity1910 per turn psi
Standard Setting Pressure2500 psiPressure Control Range34.5-350 bar
Installation Torque164-170 NmLeak Rate5 per @ 100 psi (6.8 bar) setting cm3/min
Reseat Pressure90% of pressure settingFlow Rate302.8 L/min
Maximum Flow Rate302.8 L/min
California Residents: Prop-65 Warning
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