Pilot Operated Relief Valves - RAH081S30

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: 44 in stock
SKU: RAH081S30
$87.30
Products specifications
Attribute nameAttribute value
Body MaterialN/AWeight0.09 kg
Maximum Operating Pressure350 barMaximum Pressure Setting210 bar
DivisionHydraulic Systems DivisionDivisionHydraulic Cartridge Systems Division
Minimum Operating Temperature-35 °FMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Actuation TypePressure SensingConfigurationPressure Relief
Cavity SizeC08-2Operation TypeAutomatic
Adjustment MechanismScrewFunctionPilot Operated
Maximum Tank Pressure5000 psiMaximum Inlet Pressure Rating350 bar
Seal MaterialD-Ring (Standard)Maximum Flow Rate20 Gal/min
Flow Rate20 Gal/minInstallation Torque43-49 Nm
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 4Maximum Operating Temperature+93 °C
Mounting TypeScrew in cartridge valveOperating Temperature-37 to +93 °C
Standard Setting Pressure1500 psiPressure Control Sensitivity859 per turn psi
Pressure Control Range13.8-210 barLeak Rate5 per @ 100 psi (6.8 bar) setting cm3/min
Reseat Pressure90% of pressure setting
Adjustment MechanismScrewMaximum Inlet Pressure Rating5000 PSI, 350 BAR
Seal MaterialD-Ring (Standard)Pressure Control Range200-3000 PSI, 13.8-210 BAR
Flow Rate20 GAL/MIN, 75.8 L/MIN
California Residents: Prop-65 Warning
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