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).
Availability: Backordered
SKU: RDH081K50
$66.60
Products specifications
Attribute nameAttribute value
Body MaterialN/ADivisionHydraulic Systems Division
Minimum Operating Temperature-35 °FMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Maximum Operating Pressure380 barMaximum Operating Temperature+200 °F
Actuation TypePressure SensingFunctionDirect Acting
ConfigurationPressure ReliefCavity SizeC08-2
Operation TypeAutomaticAdjustment MechanismKnob
Wire Mesh Screen Includedn/aMaximum Tank Pressure5000 psi
Maximum Pressure Setting5000 psiWeight0.2 lb
Seal MaterialD-Ring (Standard)Maximum Inlet Pressure Rating380 bar
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 4Mounting TypeScrew in cartridge valve
Operating Temperature-35 to +200 °FInstallation Torque32-36 lb-ft
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
Adjustment MechanismKnobSeal MaterialD-Ring (Standard)
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range200-5000 PSI, 13.8-350 BAR
Flow Rate0.5 GAL/MIN, 1.9 L/MIN
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