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Characteristics of this kind of pumping unit
1. Pumping units conform to API Sepc. 11E
2. The structure is simple and reasonable, it works smoothly with lower noise, easy to install and maintain
3. Walking beam is a box or welded H steel beam with high
Strength, good rigidly and heavy capacity.
4. Gear reducer uses herringbone involutes or double circular-arc gears with high bearing capacity and long working life
5. Horse head with swinging device move side or upwards is flexible and convenient for well workover
6. Central bearing and equalizer bearing feature heavy duty and reliable seal by adopting medium and wide eries roller bearing
7. Self-aligning bearing is used on equalizer to reduce mounting error and operating vibration
8. Internal expansion or external contracting brake with safety device is easy, quick and effective for operating.
Conventional Pumping Unit
