Direct Acting Differential Area Relief Valves - RDH103S10N

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: RDH103S10N
$66.60
Products specifications
Attribute nameAttribute value
Body MaterialN/ASeal MaterialNitrile
Maximum Operating Pressure5500 psiDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-34 °C
Actuation TypePressure SensingFunctionDirect Acting
Operation TypeAutomaticAdjustment MechanismScrew
Cavity SizeC10-2Maximum Tank Pressure5000 psi
Port Thread Sizen/aWeight0.5 lb
Maximum Inlet Pressure Rating5500 psiMaximum Flow Rate75 L/min
For Fluid TypeMineral-based or synthetic hydraulic fluidsMaximum Operating Temperature+121 °C
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-30 to +250 °F
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Flow Rate75 L/minInstallation Torque51-55 lb-ft
Maximum Pressure Setting69 barStandard Setting Pressure34.5 bar
Cracking PressureN/A psiPressure Control Range6.9-69 bar
Leak Rate5 @ 75% Crack Pressure drops/minConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Reseat Pressure85% of pressure settingPressure Control Sensitivity9.8 per turn bar
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
Pressure Control Range100-1000 PSI, 6.9-69 BARStandard Setting Pressure500 PSI, 34.5 BAR
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