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Picture of Parker RDH103K10 - 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 RDH103K10 - 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. RDH103K10
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Products specifications
Attribute nameAttribute value
Body Materialn/aMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-35 °FMaximum Operating Temperature+200 °F
Weight0.5 lbFunctionDirect Acting
Actuation TypePressure SensingOperation TypeAutomatic
Adjustment MechanismKnobCavity SizeC10-2
Maximum Tank Pressure350 barPort Thread Sizen/a
Seal MaterialD-Ring (Standard)Maximum Flow Rate20 Gal/min
Maximum Inlet Pressure Rating5500 psiFor 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
Mounting TypeScrew in cartridge valveOperating Temperature-37 to +93 °C
Flow Rate20 Gal/minInstallation Torque69-75 Nm
Maximum Pressure Setting1000 psiStandard Setting Pressure34.5 bar
Cracking PressureN/A psiPressure Control Range6.9-69 bar
Reseat Pressure85% of pressure settingConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Leak Rate.33 @ 75% Crack Pressure cm3/minMinimum Operating Pressure380 bar
Pressure Control Sensitivity9.8 per turn barAdjustment MechanismKnob
Mounting TypeScrew in cartridge valveCracking PressureN/A
Seal MaterialD-Ring (Standard)Flow 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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