Unloading Relief Valves - RU104S24BN

Parker’s unloading pressure control valves automatically charge and maintain a specific pressure range within accumulators by loading and unloading pump flow. Usable with fixed or variable pumps and pressure of 420 bar (6000 psi) and flow up to 1 gpm.
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SKU: RU104S24BN
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Products specifications
Attribute nameAttribute value
FunctionUnloading Relief ValveMaximum Operating Temperature+121 °C
Weight1 kgSeal MaterialNitrile
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Pressure Control Range1000-2400 psi
Operating Temperature-30 to +250 °FFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Standard Setting Pressure117.2 barActuation TypePressure Sensing
Maximum Operating Pressure250 barMaximum Flow Rate0.25 Gal/min
Flow Rate0.25 Gal/minDivisionHydraulic Cartridge Systems Division
Maximum Pressure Setting165.5 barMinimum Operating Temperature-30 °F
For Fluid TypeMineral-based or synthetic hydraulic fluidsBody Materialn/a
Leak RateN/A drops/minValve MaterialAll parts steel. All operating parts hardened steel
Adjustment MechanismScrewMaximum Tank Pressure210 bar
Maximum Inlet Pressure Rating250 barInstallation Torque50-56 Nm
DivisionHydraulic Systems DivisionCavity SizeC10-4
Pressure Control Range1000-2400 PSI, 68.9-165.5 BARSeal MaterialNitrile
Adjustment MechanismScrewMaximum Flow Rate0.25 GAL/MIN, 1 L/MIN
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