Direct Acting Differential Area Relief Valves - RDH103K50V

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 RDH103K50V
$65.47
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialFluorocarbon
Adjustment MechanismKnobMounting TypeScrew in cartridge valve
Cracking PressureN/AFlow Rate20 GAL/MIN, 75 L/MIN
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range500-5000 PSI, 34.5-350 BAR
Standard Setting Pressure2500 PSI, 172 BARSeal MaterialFluorocarbon
Body Materialn/aMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-15 °FWeight0.5 lb
FunctionDirect ActingActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismKnob
Cavity SizeC10-2Maximum Tank Pressure350 bar
Port Thread Sizen/aMaximum Inlet Pressure Rating5500 psi
Maximum Flow Rate75 L/minMaximum Operating Temperature+204 °C
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-15 to +400 °F
Mounting TypeScrew in cartridge valveFlow Rate75 L/min
Installation Torque51-55 lb-ftMaximum Pressure Setting350 bar
Standard Setting Pressure2500 psiCracking PressureN/A psi
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckReseat Pressure85% of pressure setting
Pressure Control Range2000-5000 psiMinimum Operating Pressure380 bar
Leak Rate.33 @ 75% Crack Pressure cm3/minPressure Control Sensitivity589 per turn psi
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