w446 mud pump brands

W-440/446 Pump can be widely used in all kinds of works in the oil field. When the cylinder liner specification is 6""-3 1/2"", piston structure is recommended and it is suitable for Oil-Well Repair and shallow-well drilling, etc. When the cylinder liner specification is 3 1/4""-2"", axial piston structure is recommended and it is suitable for high-pressure work.

Rated input power 328KW (440HP) Rated Stroke 320 Stroke/Minute(320SPM) Stroke 152.4mm (6"") Gear Ratio 4.578: 1 Max. operation pressure 35Mpa Valve chamber Valve-Over API 4# Max. liner dia. 6"" Max. liner mud pressure(160 stroke/minute)16.9Mpa Dia. of suction manifold, 6""(150#) Flange Dia. of discharge manifold 3""(900#) Flange Dia. pinion shaft 95.25 mm(3.75"") Key 22.174x15.9mm Dimension:(No included base), 2479X1219X1103 mm

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Continental Emsco Drilling Products, Inc., which consisted of Emsco drilling machinery and Wilson mobile rigs, was purchased by National-Oilwell, Inc on July 7, 1999. To our knowledge, no pumps have been manufactured and sold under the Emsco brand name since National-Oilwell acquired them.

Fairbanks Morse pumps are currently manufactured in Kansas City, Kansas. Fairbanks Morse is a division of Pentair ever since August, 1997 when Pentair purchased the General Signal Pump Group.

Gaso pumps are manufactured by National Oilwell Varco. Gaso was acquired as "Wheatley Gaso" by National-Oilwell in the year 2000. At the time, Wheatley Gaso was owned by Halliburton.

Skytop Brewster pumps are no longer available as new pumps. Skytop Brewster(Cnsld Gold), a unit of Hansen PLC"s Consolidated Gold Fields subsidiary, was acquired while in bankruptcy by National-Oilwell, Inc. in November, 1999.

EWS446 Mud Pump TECHNICAL SPECIFICATION Rated input power 328KW (440HP) Rated Stroke 320 Stroke/Minute(320SPM) Stroke 152.4mm （6） Gear Ratio 4.578 ：1 Max. operation pressure 35Mpa Valve chamber Valve-Over API 4# Max. liner dia. 6 Max.

By emphasizing mud pump performance through innovation design and engineering, they have created reliable mud pumps with high-performance feeatures offered by no other manufacturer:

W-440 Well Service Pump is a continuous duty 6" stroke high performance triplex. This pump is an Ellis Williams Style (EWS) design. The W-440HP is rated to 5,000 PSI, with 3-1/2" Piston/Liners, with a maximum output of 5.3 BPM. Our W-446 is a 3K pump and can accommodate from 3" liners/pistons to 6" liners/pistons. W-446 can turn out 15 BPM with 6" liners at 1027PSI.