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Picture of Unloading Relief Valves - RU101K20C

*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 - RU101K20C

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 RU101K20C
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Products specifications
Attribute nameAttribute value
Adjustment MechanismKnobMaximum Flow Rate1 GAL/MIN, 3.75 L/MIN
Pressure Control Range150-2000 PSI, 10.3-138 BARSeal MaterialNitrile
Actuation TypePressure SensingMaximum Operating Pressure3500
Maximum Pressure Setting2000Pressure Control Range100-1000
Standard Setting Pressure1000DivisionHydraulic Valve Systems Division
Maximum Operating Temperature+250Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Cavity SizeC10-3Maximum Inlet Pressure Rating3500
Operating Temperature-30 to +250Valve MaterialAll parts steel. All operating parts hardened steel
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Maximum Tank Pressure3000
DivisionHydraulic Systems DivisionFunctionUnloading Relief Valve
Maximum Flow Rate1For Fluid TypeMineral-based or synthetic hydraulic fluids
Flow Rate1Leak Rate10 (port 2 to 3), 60 (port 1 to 2)
Weight0.5Body Materialn/a
Adjustment MechanismKnobMinimum Operating Temperature-30
Seal MaterialNitrileInstallation Torque16
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