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Picture of Unloading Relief Valves - RU104S12BN

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Unloading Relief Valves - RU104S12BN

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 RU104S12BN
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrilePressure Control Range800-1200 PSI, 55.2-82.7 BAR
Adjustment MechanismScrewMaximum Flow Rate0.25 GAL/MIN, 1 L/MIN
For Fluid TypeMineral-based or synthetic hydraulic fluidsMaximum Inlet Pressure Rating3600
Body Materialn/aSeal MaterialNitrile
Minimum Operating Temperature-30Leak Raten/a
Actuation TypePressure SensingMaximum Flow Rate0.25
Adjustment MechanismScrewFlow Rate0.25
Installation Torque37-41Standard Setting Pressure1000
Maximum Operating Temperature+250Maximum Operating Pressure3600
DivisionHydraulic Valve Systems DivisionWeight0.45
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Operating Temperature-30 to +250Maximum Pressure Setting1200
Valve MaterialAll parts steel. All operating parts hardened steelFunctionUnloading Relief Valve
Cavity SizeC10-4DivisionHydraulic Systems Division
Maximum Tank Pressure3000Pressure Control Range800-1200
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