Direct Acting Differential Area Relief Valves - RDH103S30V

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: RDH103S30V
$66.60
Products specifications
Attribute nameAttribute value
Body MaterialN/ASeal MaterialFluorocarbon
Maximum Operating Pressure5500 psiDivisionHydraulic Systems Division
Minimum Operating Temperature-26 °CMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Actuation TypePressure SensingFunctionDirect Acting
Maximum Pressure Setting3000 psiOperation TypeAutomatic
Adjustment MechanismScrewCavity SizeC10-2
Maximum Tank Pressure350 barPort Thread Sizen/a
Weight0.5 lbMaximum Inlet Pressure Rating5500 psi
Maximum Flow Rate75 L/minFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+204 °CValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-15 to +400 °FFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveFlow Rate75 L/min
Installation Torque51-55 lb-ftStandard Setting Pressure103.5 bar
Cracking PressureN/A psiLeak Rate5 @ 75% Crack Pressure drops/min
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckReseat Pressure85% of pressure setting
Pressure Control Range1000-3000 psiPressure Control Sensitivity375 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
Standard Setting Pressure1500 PSI, 103.5 BARPressure Control Range500-3000 PSI, 34.5-210 BAR
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