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Picture of Direct Acting Differential Area Relief Valves - RDH083K50

*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 - RDH083K50

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: RDH083K50
POR
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Pressure Setting350 bar
Seal MaterialNitrileMinimum Operating Temperature-30 °F
Maximum Operating Pressure5500 psiDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Flow Rate12 Gal/min
Actuation TypePressure SensingFunctionDirect Acting
Cavity SizeC08-2Operation TypeAutomatic
Adjustment MechanismKnobMaximum Tank Pressure350 bar
Port Thread Sizen/aMaximum Flow Rate12 Gal/min
Maximum Inlet Pressure Rating380 barFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+250 °FValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-34 to +121 °CFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveCracking PressureN/A psi
Standard Setting Pressure172 barLeak 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 MaterialNitrileAdjustment MechanismKnob
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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