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Picture of Parker RDH103S10N - 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 RDH103S10N - 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. RDH103S10N
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileBody Materialn/a
Maximum Operating Pressure5500 psiDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-34 °C
Weight0.5 lbFunctionDirect Acting
Actuation TypePressure SensingOperation TypeAutomatic
Adjustment MechanismScrewCavity SizeC10-2
Maximum Tank Pressure5000 psiPort Thread Sizen/a
Maximum Inlet Pressure Rating5500 psiMaximum Flow Rate75 L/min
Maximum Operating Temperature+121 °CFor Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-30 to +250 °F
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Flow Rate75 L/minInstallation Torque51-55 lb-ft
Maximum Pressure Setting69 barStandard Setting Pressure34.5 bar
Cracking PressureN/A psiPressure Control Range6.9-69 bar
Leak Rate5 @ 75% Crack Pressure drops/minReseat Pressure85% of pressure setting
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckMinimum Operating Pressure380 bar
Pressure Control Sensitivity9.8 per turn barSeal MaterialNitrile
Adjustment MechanismScrewMounting TypeScrew in cartridge valve
Cracking PressureN/AFlow 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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