API 11E C Model Walking Beam Balance Pump Unit, Pumping Jack for Oil Extraction

1. The structure is simple and reliable and it works smoothly with lower noise, simple to install and maintain.
2. Walking beam is a box or welded H steel beam with high strength, good rigidity and heavy capacity.

3. Gear reducer uses herringbone involutes or double circular-arc gears with high bearing capacity andlong working life.

4. Horse head with swinging device moving side or upwards is flexible and convenient for well workover. 

5. Central bearing and equalizer bearing feature heavy duty and reliable seal by adopting medium and wide series roller bearings.

6. Self-aligning bearing is used on equalizer to reduce mounting error and operating vibration.

7. Internal expansion or external contracting brake of safety device is easy, quick and effective for operating.

Restructured from SINOPEC in 1997, Puyang Zhongshi Group Co., Ltd has 18 years manufacturing experience of petroleum machinery products till now, we have competitive prices of our main products of casing accessories likebow spring centralizer, solid rigid centralizer,float equipment, cementing plug etc.

We have 9 factories, more than 500 employees, and many kinds of production equipments.

We have certificates of API 5CT,6A,10D,11AX,11E, ISO 14001 and 9001.

With 10 years exporting experience,we have exported to more than 30 countries such as America,Canada,Russia,Venezuela,Columbia,Thailand,Indonesia ,UAE,Saudi Arabia,Kazakhstan etc.

Contact Person:  Cathy 

Skype: Cathy20059999

Wechat: 37798983

Mobile: 0086-13839306379