Parker R04B4-5.0V - 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. R04B4-5.0V
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Products specifications
Attribute nameAttribute value
Switching Pressure73 psiMaximum Operating Temperature+204 °C
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4FunctionDiverter
Standard Flow Rate Setting12 Gal/minMaximum Inlet Pressure Rating6000 psi
DivisionHydraulic Cartridge Systems DivisionOperating Temperature-26 to +204 °C
Valve MaterialAll parts steel. All operating parts hardened steelInstallation Torque50 Nm
Body Materialn/aDrain OptionExternal
Maximum Flow Rate80 L/minOperation TypePilot Operated
Seal MaterialFluorocarbonFlow Rate21 Gal/min
For Fluid TypeMineral-based or synthetic hydraulic fluidsMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Maximum Operating Pressure6000 psiCavity SizeC10-4
Actuation TypePilot to OpenWeight0.37 lb
Leak Rate55 @ 1450 PSI (100 BAR) cm3/minPilot LocationExternal
ConfigurationNormally ClosedSealed Pilot IncludedNo
Flow Direction2-3 or 3-2DivisionMobile Hydraulic Systems Division Europe
Minimum Operating Temperature-15 °FFlow Rate21 GAL/MIN, 80 L/MIN
ConfigurationNormally ClosedSeal MaterialFluorocarbon
Sealed Pilot IncludedNoSwitching Pressure73 PSI, 5 BAR
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