Direct Acting Relief Valves - RDH081K30N

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: RDH081K30N
$72.30
Products specifications
Attribute nameAttribute value
Body MaterialN/AWeight0.09 kg
Maximum Pressure Setting210 barSeal MaterialNitrile
Minimum Operating Temperature-30 °FMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Actuation TypePressure SensingFunctionDirect Acting
ConfigurationPressure ReliefCavity SizeC08-2
Operation TypeAutomaticAdjustment MechanismKnob
Wire Mesh Screen Includedn/aMaximum Tank Pressure5000 psi
Maximum Inlet Pressure Rating5500 psiFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+250 °FValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-34 to +121 °CFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveInstallation Torque32-36 lb-ft
Flow Rate0.5 Gal/minMaximum Flow Rate1.9 L/min
Pressure Control Sensitivity58.9 per turn barPressure Control Range13.8-210 bar
Reseat Pressure90% of pressure settingLeak Rate5 @ 75% Crack Pressure drops/min
Standard Setting Pressure103.4 bar
Seal MaterialNitrileAdjustment MechanismKnob
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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