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Picture of Direct Acting Differential Area Relief Valves - RDH103S50V

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Direct Acting Differential Area Relief Valves - RDH103S50V

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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SKU RDH103S50V
$53.72
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialFluorocarbon
Adjustment MechanismScrewMounting TypeScrew in cartridge valve
Cracking PressureN/AFlow Rate20 GAL/MIN, 75 L/MIN
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range500-5000 PSI, 34.5-350 BAR
Standard Setting Pressure2500 PSI, 172 BARSeal MaterialFluorocarbon
Body Materialn/aMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-26 °CWeight0.5 lb
FunctionDirect ActingActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismScrew
Cavity SizeC10-2Maximum Tank Pressure350 bar
Port Thread Sizen/aMaximum Inlet Pressure Rating380 bar
Maximum Flow Rate75 L/minMaximum Operating Temperature+400 °F
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4For Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-26 to +204 °C
Mounting TypeScrew in cartridge valveFlow Rate75 L/min
Installation Torque51-55 lb-ftMaximum Pressure Setting350 bar
Cracking PressureN/A psiStandard Setting Pressure172 bar
Leak Rate5 @ 75% Crack Pressure drops/minConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Reseat Pressure85% of pressure settingPressure Control Range2000-5000 psi
Minimum Operating Pressure380 barPressure Control Sensitivity589 per turn psi
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