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    Double-acting pump 

 A stroke, two discharge oil, high pump efficiency.

Low price, stable performance, high economic

benefit.

Suitable for low concentration and low viscosity

of oil well conditions.

  Product description：

     The double-acting pump can do that a stroke can complete two oil discharge process,  its unit volume of produced liquid is greater than the conventional pump the same specification. But when the plunger downward, sucker rod string down resistance is bigger, it should  not be used in the well condition of heavy oil and large sand production, and the sucker rod string is easy to break off.

   Technical parameters：