Direct Acting Differential Area Relief Valves - RDH103S10

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.
Availability: 7 in stock
SKU: RDH103S10
$61.20
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMinimum Operating Temperature-35 °F
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Actuation TypePressure Sensing
FunctionDirect ActingOperation TypeAutomatic
Adjustment MechanismScrewCavity SizeC10-2
Maximum Tank Pressure350 barPort Thread Sizen/a
Seal MaterialD-Ring (Standard)Weight0.5 lb
Maximum Inlet Pressure Rating5500 psiMaximum Flow Rate75 L/min
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 4Maximum Operating Temperature+93 °C
Mounting TypeScrew in cartridge valveOperating Temperature-35 to +200 °F
Flow Rate75 L/minInstallation Torque69-75 Nm
Maximum Pressure Setting1000 psiStandard Setting Pressure34.5 bar
Cracking PressureN/A psiPressure Control Range100-1000 psi
Leak Rate5 @ 75% Crack Pressure drops/minConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Reseat Pressure85% of pressure settingPressure Control Sensitivity143 per turn psi
Minimum Operating Pressure380 bar
Adjustment MechanismScrewMounting TypeScrew in cartridge valve
Cracking PressureN/ASeal MaterialD-Ring (Standard)
Flow Rate20 GAL/MIN, 75 L/MINMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range100-1000 PSI, 6.9-69 BARStandard Setting Pressure500 PSI, 34.5 BAR
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