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Parker R04B4-5.0NS - 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. R04B4-5.0NS

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Products specifications

Attribute name	Attribute value
Minimum Operating Temperature	-30 °F	Actuation Type	Pilot to Open
Operating Temperature	-34 to +121 °C	Leak Rate	55 @ 1450 PSI (100 BAR) cm3/min
Weight	0.37 lb	Maximum Operating Temperature	+250 °F
Configuration	Normally Closed	Cavity Size	C10-4
Pilot Location	External	Division	Mobile Hydraulic Systems Division Europe
Flow Direction	2-3 or 3-2	Maximum Operating Pressure	420 bar
Switching Pressure	73 psi	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Standard Flow Rate Setting	12 Gal/min	Function	Diverter
Maximum Inlet Pressure Rating	6000 psi	Sealed Pilot Included	Yes
Valve Material	All parts steel. All operating parts hardened steel	Body Material	n/a
Division	Hydraulic Cartridge Systems Division	Drain Option	External
Installation Torque	50 Nm	Maximum Flow Rate	80 L/min
Operation Type	Pilot Operated	Flow Rate	21 Gal/min
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Seal Material	Nitrile	Switching Pressure	73 PSI, 5 BAR
Seal Material	Nitrile	Flow Rate	21 GAL/MIN, 80 L/MIN
Sealed Pilot Included	Yes	Configuration	Normally Closed

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