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    Liquid Pump

Simple structure, low cost.

Large flow, small resistance, suitable for heavy

oil well conditions.

 Special structure, its own feedback force, reduce

the sucker rod wear.

  Product description：

The liquid pump consists of two barrels and two plungers. When the plunger downward,there will be generate large force feedback, which can reduce the sucker rod string down resistance, thus improve the stress of the rod. 
The valve cage have four slot for streamlined structure, big flow area, small flow resistance, improve the fill factor of pump.

   Technical parameters：