Direct Acting Differential Area Relief Valves - RDH103S30N

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: Backordered
SKU: RDH103S30N
$66.60
Products specifications
Attribute nameAttribute value
Body MaterialN/AWeight0.23 kg
Seal MaterialNitrileMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-34 °CActuation TypePressure Sensing
FunctionDirect ActingMaximum Pressure Setting3000 psi
Operation TypeAutomaticAdjustment MechanismScrew
Cavity SizeC10-2Maximum Tank Pressure5000 psi
Port Thread Sizen/aMaximum Flow Rate20 Gal/min
Maximum Inlet Pressure Rating380 barFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+121 °CValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-30 to +250 °FFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveFlow Rate75 L/min
Installation Torque51-55 lb-ftStandard Setting Pressure103.5 bar
Cracking PressureN/A psiConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Reseat Pressure85% of pressure settingLeak Rate.33 @ 75% Crack Pressure cm3/min
Pressure Control Range69-210 barPressure Control Sensitivity375 per turn psi
Minimum Operating Pressure380 bar
Seal MaterialNitrileAdjustment MechanismScrew
Mounting TypeScrew in cartridge valveCracking PressureN/A
Flow Rate20 GAL/MIN, 75 L/MINMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Standard Setting Pressure1500 PSI, 103.5 BARPressure Control Range500-3000 PSI, 34.5-210 BAR
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