API series pumping unit is a kind of conventional walking beam pumping unit with crank balance. It's the most common and widely applied subsurface power equipment in rod-having pump system.
Features 1. Designed by modular and virtual manufacturing technology; Optimized product structure; Standardization, seriation, generalization. 2. Do finite element analysis to key structural component; High stability and reliability. 3. The reducer adopts balanced shunting evolvent or double circular arc to drive; Well sealed, low noise, smooth operation, reliable and durable. 4. Simple operation, convenient maintenance and long service life