Direct Acting Relief Valves - RDH081K50

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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Backordered
SKU RDH081K50
$53.72
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Products specifications
Attribute nameAttribute value
UOMEAAdjustment MechanismKnob
Seal MaterialD-Ring (Standard)Maximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range200-5000 PSI, 13.8-350 BARFlow Rate0.5 GAL/MIN, 1.9 L/MIN
Body Materialn/aDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-35 °F
Maximum Operating Temperature+200 °FFunctionDirect Acting
ConfigurationPressure ReliefActuation TypePressure Sensing
Cavity SizeC08-2Operation TypeAutomatic
Adjustment MechanismKnobWire Mesh Screen Includedn/a
Maximum Tank Pressure5000 psiMaximum Pressure Setting5000 psi
Weight0.2 lbSeal MaterialD-Ring (Standard)
Maximum Inlet Pressure Rating380 barFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
For Fluid TypeMineral-based or synthetic hydraulic fluidsValve MaterialAll parts steel. All operating parts hardened steel
Mounting TypeScrew in cartridge valveOperating Temperature-35 to +200 °F
Installation Torque32-36 lb-ftMaximum Operating Pressure380 bar
Flow Rate1.9 L/minMaximum Flow Rate0.5 Gal/min
Standard Setting Pressure172.4 barPressure Control Sensitivity1910 per turn psi
Pressure Control Range13.8-350 barReseat Pressure90% of pressure setting
Leak Rate0.33 @ 75% Crack Pressure cm3/min
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