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Picture of Parker RDH083S15 - Direct Acting Differential Area Relief Valves

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker RDH083S15 - Direct Acting Differential Area Relief Valves

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.
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Brand Parker
Part No. RDH083S15
$51.19
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Body Materialn/aMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-34 °CFunctionDirect Acting
Actuation TypePressure SensingCavity SizeC08-2
Operation TypeAutomaticAdjustment MechanismScrew
Maximum Tank Pressure5000 psiPort Thread Sizen/a
Maximum Flow Rate12 Gal/minFlow Rate45 L/min
Maximum Inlet Pressure Rating380 barMaximum Operating Temperature+250 °F
For Fluid TypeMineral-based or synthetic hydraulic fluidsValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-30 to +250 °FFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveWeight0.19 kg
Cracking PressureN/A psiLeak Rate10 @ 75% Crack Pressure drops/min
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckReseat Pressure75% of pressure setting
Pressure Control Range100-1500 psiMaximum Pressure Setting1500 psi
Standard Setting Pressure51.7 barInstallation Torque31 Nm
Minimum Operating Pressure380 barPressure Control Sensitivity218 per turn psi
Seal MaterialNitrileAdjustment MechanismScrew
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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