oil pumping unit

"Brief Introduction API B series Pumping Unit is conventional one, using walking beam as one of a common rod pump used on ground. The products conform to API Spec.11E “Specification for Pumping Units"and other relative standards, with the certificate of authority to use Official API Monogram. Technical Performances 1. Simple structure, easy operation and maintenance, and long servicing life; 2. Gear reducer using involute herring-bone gear for smooth running and reliability; 3. Light weight of whole set and convenient for installation and transportation; 4. Suitable in short stroke, light duty and shallow reservoir.