Direct Acting Relief Valves - RDH081S50N

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: RDH081S50N
$57.60
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Pressure Setting350 bar
Seal MaterialNitrileMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-34 °CActuation TypePressure Sensing
FunctionDirect ActingConfigurationPressure Relief
Cavity SizeC08-2Operation TypeAutomatic
Adjustment MechanismScrewWire Mesh Screen Includedn/a
Maximum Tank Pressure350 barWeight0.2 lb
Maximum Inlet Pressure Rating5500 psiFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+121 °CValve 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 Rate1.9 L/minMaximum Flow Rate0.5 Gal/min
Standard Setting Pressure2500 psiPressure Control Sensitivity1910 per turn psi
Pressure Control Range13.8-350 barReseat Pressure90% of pressure setting
Leak Rate0.33 @ 75% Crack Pressure cm3/min
Seal MaterialNitrileAdjustment MechanismScrew
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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