Rod Pump

①Rod pump is equipped with a support joint, support joint connected on the tubing string, and it is together with the tubing string down to the bottom. Plunger assembly is connected on the rod string and together with the whole pump down to support joint position, pump is fixed within the support joint by external force, plunger assembly is together with the sucker rod string up and down reciprocating movement to achieve pumping work.

②When inspection and maintenance pump,it need not to put out of the tubing string, only through rod string together put out of the whole pump, operation is simple.

③Our product accords with APl Spec 11AX Specifications.