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Picture of Parker RDH083K50V - 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 RDH083K50V - 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. RDH083K50V
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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 TypeAutomaticAdjustment MechanismKnob
Maximum Tank Pressure5000Maximum Pressure Setting5000
Port Thread Sizen/aCracking Pressuren/a
Flow Rate12Maximum Flow Rate12
Maximum Inlet Pressure Rating5500For 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 valveStandard Setting Pressure2500
Leak Rate10 @ 75% Crack PressureConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Minimum Operating Pressure380Reseat Pressure75% of pressure setting
Installation Torque23Pressure Control Range2000-5000
Pressure Control Sensitivity614 per turnSeal MaterialFluorocarbon
Adjustment MechanismKnobMounting TypeScrew in cartridge valve
Cracking PressureN/AFlow 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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