Direct Acting Relief Valves - RDH081S30

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: 14 in stock
SKU: RDH081S30
$52.50
Products specifications
Attribute nameAttribute value
Body MaterialN/AWeight0.09 kg
Maximum Pressure Setting210 barDivisionHydraulic Systems Division
Minimum Operating Temperature-37 °CMaximum 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 MechanismScrew
Wire Mesh Screen Includedn/aMaximum Tank Pressure350 bar
Seal MaterialD-Ring (Standard)Maximum Inlet Pressure Rating380 bar
Installation Torque43-49 NmFor Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveOperating Temperature-35 to +200 °F
Flow Rate1.9 L/minMaximum Flow Rate0.5 Gal/min
Pressure Control Sensitivity58.9 per turn barPressure Control Range13.8-210 bar
Reseat Pressure90% of pressure settingLeak Rate0.33 @ 75% Crack Pressure cm3/min
Standard Setting Pressure103.4 bar
Adjustment MechanismScrewSeal MaterialD-Ring (Standard)
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range200-3000 PSI, 13.8-210 BAR
Flow Rate0.5 GAL/MIN, 1.9 L/MIN
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