EWS-446 Triplex Well Service Mud Pump
HW-446 mud pump are 100% replaceable to EWS-446 mud pump of American brand.
HW-440/446 Pump can be widely used in all kinds of works in 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.
HW446 Mud Pump TECHNICAL SPECIFICATION
Rated input power 328KW (440HP)Rated Stroke 320 Stroke/Minute(320SPM)Stroke 152.4mm （6”） Gear Ratio 4.578 :1Max. operation pressure 35MpaValve chamber Valve-Over API 4# Max. liner dia. 6”Max. liner mud pressure(160 stroke/minute)16.9MpaDia. of suction manifold, 6”(150#) Flange Dia. of discharge manifold 3”(900#) FlangeDia. pinion shaft 95.25 mm(3.75”)Key 22.174x15.9mmDimension:(No included base),2479X1219X1103 mmWeight 4463 kg
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