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.
Availability: Backordered
SKU: RDH103S50V
$66.60
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Pressure Setting350 bar
Seal MaterialFluorocarbonMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMinimum Operating Temperature-26 °C
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Actuation TypePressure Sensing
FunctionDirect ActingOperation TypeAutomatic
Adjustment MechanismScrewCavity SizeC10-2
Maximum Tank Pressure350 barPort Thread Sizen/a
Weight0.5 lbMaximum Inlet Pressure Rating380 bar
Maximum Flow Rate75 L/minFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+400 °FValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-26 to +204 °CFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveFlow Rate75 L/min
Installation Torque51-55 lb-ftCracking PressureN/A psi
Standard Setting Pressure172 barLeak Rate5 @ 75% Crack Pressure drops/min
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckReseat Pressure85% of pressure setting
Pressure Control Range2000-5000 psiPressure Control Sensitivity589 per turn psi
Minimum Operating Pressure380 bar
Seal MaterialFluorocarbonAdjustment 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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