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Picture of Parker RDH083F50V - Direct Acting Differential Area Relief Valves

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

Parker RDH083F50V - Direct Acting Differential Area Relief Valves

Parker’s direct acting differential area relief valves are for fast response intermittent applications and work up to 380 bar (5500 psi) and 151 lpm (40 gpm). These valves have lower leakage rates and pressure rise than standard direct acting reliefs.
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Brand Parker
Part No. RDH083F50V
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Products specifications
Attribute nameAttribute value
Seal MaterialFluorocarbonBody Materialn/a
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-15Weight0.43
Maximum Operating Pressure5500FunctionDirect Acting
Actuation TypePressure SensingCavity SizeC08-2
Operation TypeAutomaticMaximum Tank Pressure5000
Maximum Pressure Setting5000Pressure Control Sensitivityn/a
Port Thread Sizen/aCracking Pressuren/a
Flow Rate12Maximum Flow Rate12
Adjustment MechanismFixedMaximum Inlet Pressure Rating5500
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 4Operating Temperature-15 to +400
Maximum Operating Temperature+400Mounting TypeScrew in cartridge valve
Standard Setting Pressure2500Leak Rate10 @ 75% Crack Pressure
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckMinimum Operating Pressure380
Reseat Pressure75% of pressure settingInstallation Torque23
Pressure Control Range2000-5000Seal MaterialFluorocarbon
Mounting TypeScrew in cartridge valveCracking PressureN/A
Adjustment MechanismFixedFlow Rate12 GAL/MIN, 45 L/MIN
Maximum Inlet Pressure Rating5500 PSI, 380 BARStandard Setting Pressure2500 PSI, 172 BAR
Pressure Control Range2000-5000 PSI, 138-350 BAR
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