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Picture of Direct Acting Relief Valves - RDH042K50

*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 - RDH042K50

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).
Availability: Backordered
SKU: RDH042K50
$82.20
Products specifications
Attribute nameAttribute value
Body MaterialN/AWeight0.03 kg
Seal MaterialNitrileMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-34 °CActuation TypePressure Sensing
FunctionDirect ActingConfigurationPressure Relief
Operation TypeAutomaticAdjustment MechanismKnob
Wire Mesh Screen Includedn/aMaximum Tank Pressure350 bar
Maximum Pressure Setting5000 psiCavity SizeC04-2
Maximum Flow Rate1 Gal/minMaximum Inlet Pressure Rating380 bar
Flow Rate3.8 L/minFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+250 °FValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-30 to +250 °FFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveInstallation Torque10 Nm
Standard Setting Pressure172.4 barPressure Control Sensitivity118 per turn bar
Reseat Pressure80% of pressure settingLeak Rate0.66 @ 75% Crack Pressure cm3/min
Pressure Control Range1500-5000 psi
Seal MaterialNitrileAdjustment MechanismKnob
Flow Rate1 GAL/MIN, 3.8 L/MINMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range1500-5000 PSI, 103-350 BAR
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