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Picture of Parker RDH103S50N - 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 RDH103S50N - 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. RDH103S50N
$45.38
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Body Materialn/aMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-34 °CWeight0.5 lb
FunctionDirect ActingActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismScrew
Cavity SizeC10-2Maximum Tank Pressure5000 psi
Maximum Pressure Setting5000 psiPort Thread Sizen/a
Maximum Flow Rate20 Gal/minMaximum Inlet Pressure Rating380 bar
Maximum Operating Temperature+121 °CFor Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-34 to +121 °C
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Flow Rate20 Gal/minInstallation Torque51-55 lb-ft
Cracking PressureN/A psiStandard Setting Pressure172 bar
Reseat Pressure85% of pressure settingConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Leak Rate.33 @ 75% Crack Pressure cm3/minPressure Control Range2000-5000 psi
Minimum Operating Pressure380 barPressure Control Sensitivity40.6 per turn bar
Seal MaterialNitrileAdjustment MechanismScrew
Mounting TypeScrew in cartridge valveCracking PressureN/A
Flow Rate20 GAL/MIN, 75 L/MINMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range500-5000 PSI, 34.5-350 BARStandard Setting Pressure2500 PSI, 172 BAR
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