Parker RDH103F10 - Direct Acting Differential Area Relief Valves

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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Brand Parker
Part No. RDH103F10
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Products specifications
Attribute nameAttribute value
Flow Rate20Minimum Operating Temperature-35
Body Materialn/aDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Weight0.5
Maximum Operating Pressure5500FunctionDirect Acting
Actuation TypePressure SensingOperation TypeAutomatic
Cavity SizeC10-2Maximum Tank Pressure5000
Pressure Control Sensitivityn/aPort Thread Sizen/a
Cracking Pressuren/aSeal MaterialD-Ring (Standard)
Maximum Flow Rate20Adjustment MechanismFixed
Maximum Inlet Pressure Rating5500Maximum Operating Temperature+200
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 4Mounting TypeScrew in cartridge valve
Operating Temperature-35 to +200Installation Torque51-55
Maximum Pressure Setting1000Standard Setting Pressure500
Pressure Control Range100-1000Leak Rate5 @ 75% Crack Pressure
Reseat Pressure85% of pressure settingConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Minimum Operating Pressure380Mounting TypeScrew in cartridge valve
Cracking PressureN/ASeal MaterialD-Ring (Standard)
Adjustment MechanismFixedFlow Rate20 GAL/MIN, 75 L/MIN
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range100-1000 PSI, 6.9-69 BAR
Standard Setting Pressure500 PSI, 34.5 BAR
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