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Picture of Direct Acting Relief Valves - RDH042S50

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Direct Acting Relief Valves - RDH042S50

Parker’s direct acting relief valves are available in several cavity sizes and are designed for continuous duty applications with pressures up to 420 bar (6000 psi) and flows up to 200 lpm (53 gpm).
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SKU RDH042S50
$54.59
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Adjustment MechanismScrewFlow Rate1 GAL/MIN, 3.8 L/MIN
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range1500-5000 PSI, 103-350 BAR
Seal MaterialNitrileWeight0.07 lb
Body Materialn/aDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-34 °C
FunctionDirect ActingConfigurationPressure Relief
Actuation TypePressure SensingOperation TypeAutomatic
Adjustment MechanismScrewWire Mesh Screen Includedn/a
Maximum Tank Pressure350 barCavity SizeC04-2
Maximum Flow Rate1 Gal/minMaximum Inlet Pressure Rating5500 psi
Flow Rate3.8 L/minMaximum Operating Temperature+250 °F
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 steelOperating Temperature-34 to +121 °C
Mounting TypeScrew in cartridge valveMaximum Operating Pressure380 bar
Installation Torque10 NmMaximum Pressure Setting350 bar
Standard Setting Pressure2500 psiPressure Control Sensitivity118 per turn bar
Reseat Pressure80% of pressure settingLeak Rate0.66 @ 75% Crack Pressure cm3/min
Pressure Control Range1500-5000 psi
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