Product Information

1. This pumping unit is one of the API B pumping units. The products comply with Specifications of Pumping Units (API Spec 11E) and other related standards, and they have acquired the Certificate of Authority to use the Official API Monogram. 2. Technical performance & characteristics 1) Compact structure, easy operation and maintenance, and extended service life. 2) Reducers are driven by involute or double-arc herringbone gears, and thus can operate in a steady and reliable manner. 3) The entire machine is very light, and thus can be installed and transported conveniently. 4) It is applicable in shallow oil production with small stroke and light loads.

Technical Parameters:

1. Model - B-57D-89-48; 2. Rated polished rod load(1b) - 8900; 3. Stroke(in) - 48, 35; 4. Rated torque of speed reducer(in.lb) - 57000;