EWS-446 Piston Pump Piston Complete

ELW-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. ELW446 Mud Pump TECHNICAL SPECIFICATION Rated input power 328KW (440HP) Rated Stroke 320 Stroke/Minute(320SPM) Stroke