Pilot Operated Relief Valves - RAH161S30

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: 105 in stock
SKU: RAH161S30
$195.90
Products specifications
Attribute nameAttribute value
Body MaterialN/ASeal MaterialNitrile
Maximum Operating Pressure5000 psiDivisionHydraulic Systems Division
DivisionHydraulic Cartridge Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-34 °CActuation TypePressure Sensing
ConfigurationPressure ReliefMaximum Pressure Setting3000 psi
Operation TypeAutomaticAdjustment MechanismScrew
FunctionPilot OperatedCavity SizeC16-2
Maximum Tank Pressure350 barWeight0.75 lb
Maximum Inlet Pressure Rating380 barFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+121 °CValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-30 to +250 °FFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveStandard Setting Pressure103.5 bar
Pressure Control Sensitivity859 per turn psiInstallation Torque121-125 lb-ft
Pressure Control Range20.7-210 barLeak 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 MechanismScrew
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range300-3000 PSI, 20.7-210 BAR
Flow Rate80 GAL/MIN, 302.8 L/MIN
California Residents: Prop-65 Warning
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