Pilot Operated Relief Valves - RAH161T50

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).
Availability: Backordered
SKU: RAH161T50
POR
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Operating Pressure350 bar
Maximum Pressure Setting350 barSeal MaterialNitrile
Minimum Operating Temperature-30 °FDivisionHydraulic Systems Division
DivisionHydraulic Cartridge Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Actuation TypePressure SensingConfigurationPressure Relief
Operation TypeAutomaticAdjustment MechanismTamper Resistant
FunctionPilot OperatedCavity SizeC16-2
Maximum Tank Pressure350 barWeight0.75 lb
Maximum Inlet Pressure Rating5500 psiFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+250 °FValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-34 to +121 °CFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveStandard Setting Pressure172.4 bar
Pressure Control Sensitivity131.7 per turn barInstallation Torque164-170 Nm
Pressure Control Range500-5000 psiLeak 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
Seal MaterialNitrileAdjustment MechanismTamper Resistant
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range500-5000 PSI, 34.5-350 BAR
Flow Rate80 GAL/MIN, 302.8 L/MIN
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