RDH103S50 - 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.
Manufacturer: Parker
Availability:
111 in stock
Wichita, KS60
Olivette, MO50
Peoria, IL1
Partner Available:56 in stock
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SKU RDH103S50
$46.76/each
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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 BARPressure Control Range500-5000 PSI, 34.5-350 BAR
Standard Setting Pressure2500 PSI, 172 BARAdjustment MechanismScrew
Cavity SizeC10-2Minimum Operating Temperature-37 °C
Cracking PressureN/A psiMounting TypeScrew in cartridge valve
Port Thread SizeN/APressure Control Range138-350 bar
Pressure Control Sensitivity40.6 per turn barFlow Rate75 L/min
Actuation TypePressure SensingOperating Temperature-35 to +200 °F
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow Check
Body MaterialN/AFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Maximum Operating Pressure5500 psiWeight0.5 lb
Standard Setting Pressure2500 psiDivisionHydraulic Systems Division
Installation Torque51-55 lb-ftOperation TypeAutomatic
Reseat Pressure85% of pressure settingFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Flow Rate75 L/minLeak Rate5 @ 75% Crack Pressure drops/min
Maximum Operating Temperature+93 °CMaximum Inlet Pressure Rating5500 psi
Minimum Operating Pressure380 barValve MaterialAll parts steel. All operating parts hardened steel
Maximum Pressure Setting5000 psiSeal MaterialD-Ring (Standard)
Maximum Tank Pressure5000 psiFunctionDirect Acting
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