Direct Acting Differential Area Relief Valves - RDH083S50V

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: RDH083S50V
POR
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
Cavity SizeC08-2Operation TypeAutomatic
Adjustment MechanismScrewMaximum Tank Pressure350 bar
Maximum Pressure Setting5000 psiPort Thread Sizen/a
Maximum Flow Rate12 Gal/minFlow Rate45 L/min
Maximum Inlet Pressure Rating5500 psiFor 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 valveStandard Setting Pressure2500 psi
Cracking PressureN/A psiLeak Rate.66 @ 75% Crack Pressure cm3/min
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckWeight0.43 lb
Reseat Pressure75% of pressure settingInstallation Torque31 Nm
Pressure Control Range138-350 barPressure Control Sensitivity614 per turn psi
Minimum Operating Pressure380 bar
Seal MaterialFluorocarbonAdjustment MechanismScrew
Mounting TypeScrew in cartridge valveCracking PressureN/A
Flow Rate12 GAL/MIN, 45 L/MINMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range2000-5000 PSI, 138-350 BARStandard Setting Pressure2500 PSI, 172 BAR
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