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Picture of Direct Acting Differential Area Relief Valves - RDH103S30

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Direct Acting Differential Area Relief Valves - RDH103S30

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:
19 in stock
Wichita, KS14
Olivette, MO5
SKU RDH103S30
$46.76
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Products specifications
Attribute nameAttribute value
UOMEAAdjustment MechanismScrew
Mounting TypeScrew in cartridge valveCracking PressureN/A
Seal MaterialD-Ring (Standard)Flow Rate20 GAL/MIN, 75 L/MIN
Maximum Inlet Pressure Rating5500 PSI, 380 BARStandard Setting Pressure1500 PSI, 103.5 BAR
Pressure Control Range500-3000 PSI, 34.5-210 BARBody Materialn/a
Maximum Operating Pressure5500 psiDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-37 °C
Weight0.23 kgFunctionDirect Acting
Actuation TypePressure SensingMaximum Pressure Setting210 bar
Operation TypeAutomaticAdjustment MechanismScrew
Cavity SizeC10-2Maximum Tank Pressure350 bar
Port Thread Sizen/aSeal MaterialD-Ring (Standard)
Maximum Flow Rate20 Gal/minMaximum Inlet Pressure Rating380 bar
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 steelMounting TypeScrew in cartridge valve
Maximum Operating Temperature+93 °COperating Temperature-35 to +200 °F
Flow Rate20 Gal/minInstallation Torque51-55 lb-ft
Standard Setting Pressure1500 psiCracking PressureN/A psi
Leak Rate5 @ 75% Crack Pressure drops/minConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Reseat Pressure85% of pressure settingPressure Control Range1000-3000 psi
Minimum Operating Pressure380 barPressure Control Sensitivity375 per turn psi
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