Detailed Product Description

1. Pumping units conform to API Spec.11E and it has the same dependability as the Lufkin Pumping Units following parts:
a. Pumping unit structure.

b. Pumping unit gear reducer.

c. Pumping unit chain reducer.

d. Pumping unit beam counterbalance.

e. Pumping unit crank counterbalance.

2. Rational construction, smooth running, low noise and easy operation.

3.Walking beam is a box or welded H steel beam with high strength, good rigidity and heavy capacity.

4.Gear reducer uses herringbone involute or double circular-arc gears with heavy duty and long life.

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

6. Horse head with swinging device move side, hanging, auto-positioning or upwards, is flexible and convenient for well workover.

7. Rack and pinion set is adopted on the crank assembly for easy and accurate adjustment of counterweight.

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

9. Tie down, clamping plates or anchor bolts for fixing the base are available upon requests.

10. General V belt or joint narrow V belt is available.

11. Prime mover can be selected with general motor, frequency adjustable motor, power-saving motor, and diesel or natural gas engine.