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Parker R04A4-5.0NS - 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. R04A4-5.0NS

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Products specifications

Attribute name	Attribute value
Valve Material	All parts steel. All operating parts hardened steel	Weight	0.17 kg
Actuation Type	Pilot to Close	Division	Hydraulic Cartridge Systems Division
Drain Option	External	Maximum Operating Temperature	+121 °C
Seal Material	Nitrile	Switching Pressure	5 bar
Installation Torque	50 Nm	Flow Rate	21 Gal/min
Body Material	n/a	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Minimum Operating Temperature	-34 °C	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Operation Type	Pilot Operated	Cavity Size	C10-4
Leak Rate	55 @ 1450 PSI (100 BAR) cm3/min	Operating Temperature	-34 to +121 °C
Pilot Location	External	Division	Mobile Hydraulic Systems Division Europe
Maximum Operating Pressure	420 bar	Maximum Flow Rate	21 Gal/min
Flow Direction	2-3 or 3-2	Configuration	Normally Open
Function	Diverter	Standard Flow Rate Setting	12 Gal/min
Maximum Inlet Pressure Rating	6000 psi	Sealed Pilot Included	Yes
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Configuration	Normally Open
Seal Material	Nitrile	Switching Pressure	73 PSI, 5 BAR
Flow Rate	21 GAL/MIN, 80 L/MIN	Sealed Pilot Included	Yes

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