Direct Acting Differential Area Relief Valves - RDH083K15

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: RDH083K15
POR
Products specifications
Attribute nameAttribute value
Body MaterialN/ASeal MaterialNitrile
Maximum Operating Pressure5500 psiDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-34 °C
Flow Rate12 Gal/minActuation TypePressure Sensing
FunctionDirect ActingCavity SizeC08-2
Operation TypeAutomaticAdjustment MechanismKnob
Maximum Tank Pressure350 barPort Thread Sizen/a
Maximum Flow Rate45 L/minMaximum Inlet Pressure Rating5500 psi
For Fluid TypeMineral-based or synthetic hydraulic fluidsMaximum Operating Temperature+250 °F
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-34 to +121 °C
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Cracking PressureN/A psiLeak Rate10 @ 75% Crack Pressure drops/min
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckWeight0.43 lb
Reseat Pressure75% of pressure settingInstallation Torque31 Nm
Pressure Control Range6.9-103.5 barMaximum Pressure Setting103.5 bar
Standard Setting Pressure51.7 barPressure Control Sensitivity15 per turn bar
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 Range100-1500 PSI, 6.9-103.5 BARStandard Setting Pressure750 PSI, 51.7 BAR
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