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Picture of Direct Acting Differential Area Relief Valves - RDH083K15

*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 - 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.
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SKU RDH083K15
$73.52
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Adjustment MechanismKnobMounting 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 BARSeal MaterialNitrile
Body Materialn/aMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-34 °CFlow Rate12 Gal/min
FunctionDirect ActingActuation TypePressure Sensing
Cavity SizeC08-2Operation TypeAutomatic
Adjustment MechanismKnobMaximum Tank Pressure350 bar
Port Thread Sizen/aMaximum Flow Rate45 L/min
Maximum Inlet Pressure Rating5500 psiMaximum Operating Temperature+250 °F
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-34 to +121 °C
Mounting TypeScrew in cartridge valveCracking PressureN/A psi
Leak Rate10 @ 75% Crack Pressure drops/minConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Weight0.43 lbReseat Pressure75% of pressure setting
Installation Torque31 NmPressure Control Range6.9-103.5 bar
Maximum Pressure Setting103.5 barStandard Setting Pressure51.7 bar
Pressure Control Sensitivity15 per turn barMinimum Operating Pressure380 bar
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