Parker RAH081T30V - Pilot Operated Relief Valves

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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Brand Parker
Part No. RAH081T30V
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Products specifications
Attribute nameAttribute value
Flow Rate20Seal MaterialFluorocarbon
Body Materialn/aMaximum Operating Pressure5000
DivisionHydraulic Valve Systems DivisionDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-15
Weight0.2ConfigurationPressure Relief
Actuation TypePressure SensingMaximum Pressure Setting3000
Cavity SizeC08-2Operation TypeAutomatic
Adjustment MechanismTamper ResistantFunctionPilot Operated
Maximum Tank Pressure5000Maximum Inlet Pressure Rating5000
Maximum Flow Rate20For 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
Operating Temperature-15 to +400Maximum Operating Temperature+400
Mounting TypeScrew in cartridge valveInstallation Torque32-36
Standard Setting Pressure1500Pressure Control Range200-3000
Pressure Control Sensitivity859 per turnLeak Rate5 per @ 100 psi (6.8 bar) setting
Reseat Pressure90% of pressure settingSeal MaterialFluorocarbon
Adjustment MechanismTamper ResistantMaximum Inlet Pressure Rating5000 PSI, 350 BAR
Pressure Control Range200-3000 PSI, 13.8-210 BARFlow Rate20 GAL/MIN, 75.8 L/MIN
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