Parker RDH083T15V - 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. RDH083T15V
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Products specifications
Attribute nameAttribute value
Seal MaterialFluorocarbonBody Materialn/a
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-15Weight0.43
Maximum Operating Pressure5500FunctionDirect Acting
Actuation TypePressure SensingCavity SizeC08-2
Operation TypeAutomaticAdjustment MechanismTamper Resistant
Maximum Tank Pressure5000Port Thread Sizen/a
Cracking Pressuren/aFlow Rate12
Maximum Flow Rate12Maximum Inlet Pressure Rating5500
For Fluid TypeMineral-based or synthetic hydraulic fluidsValve MaterialAll parts steel. All operating parts hardened steel
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Operating Temperature-15 to +400
Maximum Operating Temperature+400Mounting TypeScrew in cartridge valve
Leak Rate10 @ 75% Crack PressureConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Minimum Operating Pressure380Reseat Pressure75% of pressure setting
Installation Torque23Pressure Control Range100-1500
Maximum Pressure Setting1500Standard Setting Pressure750
Pressure Control Sensitivity218 per turnSeal MaterialFluorocarbon
Adjustment MechanismTamper ResistantMounting TypeScrew in cartridge valve
Cracking PressureN/AFlow 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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