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).
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SKU RDH081S30
$40.02
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Products specifications
Attribute nameAttribute value
UOMEAAdjustment MechanismScrew
Seal MaterialD-Ring (Standard)Maximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range200-3000 PSI, 13.8-210 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-37 °C
Maximum Operating Temperature+200 °FWeight0.09 kg
FunctionDirect ActingConfigurationPressure Relief
Actuation TypePressure SensingMaximum Pressure Setting210 bar
Cavity SizeC08-2Operation TypeAutomatic
Adjustment MechanismScrewWire Mesh Screen Includedn/a
Maximum Tank Pressure350 barSeal MaterialD-Ring (Standard)
Maximum Inlet Pressure Rating380 barInstallation Torque43-49 Nm
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4For Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelMounting TypeScrew in cartridge valve
Operating Temperature-35 to +200 °FMaximum Operating Pressure380 bar
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
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