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Picture of Parker RDH083F15 - 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 RDH083F15 - 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. RDH083F15
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileBody Materialn/a
Minimum Operating Temperature-30DivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Weight0.43
Maximum Operating Pressure5500FunctionDirect Acting
Actuation TypePressure SensingCavity SizeC08-2
Operation TypeAutomaticMaximum Tank Pressure5000
Pressure Control Sensitivityn/aPort Thread Sizen/a
Cracking Pressuren/aFlow Rate12
Maximum Flow Rate12Adjustment MechanismFixed
Maximum Inlet Pressure Rating5500For Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Operating Temperature-30 to +250Maximum Operating Temperature+250
Mounting TypeScrew in cartridge valveLeak Rate10 @ 75% Crack Pressure
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckMinimum Operating Pressure380
Reseat Pressure75% of pressure settingInstallation Torque23
Pressure Control Range100-1500Maximum Pressure Setting1500
Standard Setting Pressure750Seal MaterialNitrile
Mounting TypeScrew in cartridge valveCracking PressureN/A
Adjustment MechanismFixedFlow Rate12 GAL/MIN, 45 L/MIN
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range100-1500 PSI, 6.9-103.5 BAR
Standard Setting Pressure750 PSI, 51.7 BAR
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