Parker RDH103F10V - 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. RDH103F10V
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Products specifications
Attribute nameAttribute value
Flow Rate20Seal MaterialFluorocarbon
Body Materialn/aDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-15
Weight0.5Maximum Operating Pressure5500
FunctionDirect ActingActuation TypePressure Sensing
Operation TypeAutomaticCavity SizeC10-2
Maximum Tank Pressure5000Pressure Control Sensitivityn/a
Port Thread Sizen/aCracking Pressuren/a
Maximum Flow Rate20Adjustment MechanismFixed
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 valveInstallation Torque51-55
Maximum Pressure Setting1000Standard Setting Pressure500
Pressure Control Range100-1000Leak Rate5 @ 75% Crack Pressure
Reseat Pressure85% of pressure settingConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Minimum Operating Pressure380Seal MaterialFluorocarbon
Mounting TypeScrew in cartridge valveCracking PressureN/A
Adjustment MechanismFixedFlow Rate20 GAL/MIN, 75 L/MIN
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range100-1000 PSI, 6.9-69 BAR
Standard Setting Pressure500 PSI, 34.5 BAR
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