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Picture of Pilot Operated Relief Valves - RAH081S20

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Pilot Operated Relief Valves - RAH081S20

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: RAH081S20
POR
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Operating Pressure350 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 Pressure350 barMaximum Inlet Pressure Rating350 bar
Weight0.2 lbSeal MaterialD-Ring (Standard)
Maximum Flow Rate20 Gal/minFor Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Maximum Operating Temperature+93 °CMounting TypeScrew in cartridge valve
Operating Temperature-37 to +93 °CInstallation Torque32-36 lb-ft
Standard Setting Pressure1000 psiMaximum Pressure Setting2000 psi
Pressure Control Sensitivity570 per turn psiPressure Control Range6.9-138 bar
Flow Rate75.8 L/minLeak 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 Range100-2000 PSI, 6.9-138 BAR
Flow Rate20 GAL/MIN, 75.8 L/MIN
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