Design Features

The power end:the housing is welded steel-plate construction.it is stress-relleved after welding.the drive gears are involute type gears which have smooth operation,high efficiency and long life.the crankshaft is a hollow one-piece steel casting. the power end is splash-lubricated.

The fluid end:the suction and the discharge flanges conform to ASA and API specifications.

The piston rod is connected with an intermediate rod by means of clamps to realize quick assembly & disassembly.

The valve seat bores have a bottom shoulders.the pistons and liners are lubricated and cooled by an independently spraying pump to have a longer service life.

Versatility in expandables.