Parker RDH081S30 - 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).
AFP Availability:
2 Limited Stock
North Chesterfield, VA2
Partner Available:14 In Stock
Quantities sourced from Partner Network may incur an upcharge from the displayed price. Unit prices will be adjusted accordingly when these quantities are added to your cart.
Brand Parker
Part No. RDH081S30
$46.00/each
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Products specifications
Attribute nameAttribute value
UOMEACavity SizeC08-2
Maximum Operating Temperature+200 °FMounting TypeScrew in cartridge valve
Standard Setting Pressure103.4 barLeak Rate0.33 @ 75% Crack Pressure cm3/min
Minimum Operating Temperature-37 °CMaximum Flow Rate0.5 Gal/min
Operation TypeAutomaticOperating Temperature-35 to +200 °F
Body MaterialN/ADivisionHydraulic Systems Division
Reseat Pressure90% of pressure settingInstallation Torque43-49 Nm
Flow Rate1.9 L/minActuation TypePressure Sensing
Seal MaterialD-Ring (Standard)Wire Mesh Screen IncludedN/A
Maximum Inlet Pressure Rating380 barFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Maximum Operating Pressure380 bar
Adjustment MechanismScrewValve MaterialAll parts steel. All operating parts hardened steel
Weight0.09 kgFunctionDirect Acting
Maximum Tank Pressure350 barMaximum Pressure Setting210 bar
For Fluid TypeMineral-based or synthetic hydraulic fluidsPressure Control Sensitivity58.9 per turn bar
Pressure Control Range13.8-210 barConfigurationPressure Relief
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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