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Picture of Direct Acting Differential Area Relief Valves - RDH083F30

*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 - RDH083F30

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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SKU RDH083F30
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileMounting TypeScrew in cartridge valve
Cracking PressureN/AAdjustment MechanismFixed
Flow Rate12 GAL/MIN, 45 L/MINMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Standard Setting Pressure1500 PSI, 103.5 BARPressure Control Range1000-3000 PSI, 69-210 BAR
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 SensingMaximum Pressure Setting3000
Cavity SizeC08-2Operation TypeAutomatic
Maximum Tank Pressure5000Pressure Control Sensitivityn/a
Port Thread Sizen/aCracking Pressuren/a
Flow Rate12Maximum Flow Rate12
Adjustment MechanismFixedMaximum Inlet Pressure Rating5500
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4For Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-30 to +250
Maximum Operating Temperature+250Mounting TypeScrew in cartridge valve
Standard Setting Pressure1500Leak Rate10 @ 75% Crack Pressure
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckMinimum Operating Pressure380
Reseat Pressure75% of pressure settingInstallation Torque23
Pressure Control Range1000-3000
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