Parker R04A4-5.0VS - 2 Way Pilot Operated Directional Control Valves

A pilot-operated, cartridge style screw-in hydraulic directional valve used in two way circuits with remote pilot actuation. Available in both normally-open and normally-closed orientation.
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Brand Parker
Part No. R04A4-5.0VS
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Products specifications
Attribute nameAttribute value
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4FunctionDiverter
ConfigurationNormally OpenSealed Pilot IncludedYes
Valve MaterialAll parts steel. All operating parts hardened steelDrain OptionExternal
Body Materialn/aSeal MaterialFluorocarbon
Operating Temperature-15 to +400Actuation TypePilot to Close
Operation TypePilot OperatedMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Standard Flow Rate Setting12Maximum Inlet Pressure Rating6000
Maximum Operating Pressure6000For Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Flow Rate21Weight0.37
Minimum Operating Temperature-15Maximum Operating Temperature+400
Cavity SizeC10-4DivisionHydraulic Valve Systems Division
Switching Pressure73Pilot LocationExternal
Flow Rate21Installation Torque37
Flow Direction2-3 or 3-2DivisionMobile Hydraulic Systems Division Europe
Leak Rate55 @ 1450 PSI (100 BAR)Sealed Pilot IncludedYes
Flow Rate21 GAL/MIN, 80 L/MINSeal MaterialFluorocarbon
ConfigurationNormally OpenSwitching Pressure73 PSI, 5 BAR
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