The long plunger anti-stick pump adopted long plunger, to prefixed
valve adopts lateral settling space out of the oil hole structure
Due to the long plunger pump adopted and short pump structure, sand
scale is not easy to enter the plunger and pump barrel of the
working face, to prevent pump stick.
The pump fixed hood structure of lateral oil hole, and had grit
scale space, can avoid sand buried scale fixed valve
Work outside of the drum with the outer tube, can be used as a
fixed bridge pump used in the setting at the bottom of the borehole
Should not be used in the gas well.
It’s not convenient to take a bleeder.
MAIN SPECIFICATIONS AND PARAMETERS
Plunger length series
Outer dia. Of coupling oil tubing（mm）
Plunger stroke range（mm）
Dia. Of connecting sucker rod（mm）
Nominal dia. (mm)