Parker R04A4-10.0NS - 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. R04A4-10.0NS
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Products specifications
Attribute nameAttribute value
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Leak Rate55 @ 1450 PSI (100 BAR) cm3/min
For Fluid TypeMineral-based or synthetic hydraulic fluidsOperating Temperature-34 to +121 °C
Cavity SizeC10-4Minimum Operating Temperature-30 °F
Maximum Inlet Pressure Rating420 barPilot LocationExternal
DivisionMobile Hydraulic Systems Division EuropeFlow Direction2-3 or 3-2
Maximum Operating Pressure420 barMaximum Flow Rate21 Gal/min
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Sealed Pilot IncludedYes
Standard Flow Rate Setting12 Gal/minFunctionDiverter
ConfigurationNormally OpenValve MaterialAll parts steel. All operating parts hardened steel
Drain OptionExternalBody Materialn/a
DivisionHydraulic Cartridge Systems DivisionActuation TypePilot to Close
Switching Pressure145 psiWeight0.17 kg
Installation Torque50 NmOperation TypePilot Operated
Seal MaterialNitrileFlow Rate80 L/min
Maximum Operating Temperature+121 °CConfigurationNormally Open
Switching Pressure145 PSI, 10 BARSeal MaterialNitrile
Sealed Pilot IncludedYesFlow Rate21 GAL/MIN, 80 L/MIN
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