Parker RDH042T50V - Direct Acting Relief Valves

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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Brand Parker
Part No. RDH042T50V
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Products specifications
Attribute nameAttribute value
Seal MaterialFluorocarbonBody Materialn/a
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-15Weight0.07
Maximum Operating Pressure5500FunctionDirect Acting
ConfigurationPressure ReliefActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismTamper Resistant
Wire Mesh Screen Includedn/aMaximum Tank Pressure5000
Maximum Pressure Setting5000Cavity SizeC04-2
Maximum Flow Rate1Maximum Inlet Pressure Rating5500
Flow Rate1Installation Torque7
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 4Operating Temperature-15 to +400
Maximum Operating Temperature+400Mounting TypeScrew in cartridge valve
Standard Setting Pressure2500Reseat Pressure80% of pressure setting
Leak Rate10 @ 75% Crack PressurePressure Control Range1500-5000
Pressure Control Sensitivity1710 per turnSeal MaterialFluorocarbon
Adjustment MechanismTamper ResistantFlow Rate1 GAL/MIN, 3.8 L/MIN
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range1500-5000 PSI, 103-350 BAR
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