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pumping unit for oil field equipment
CONVENTIONAL BEAM PUMPING HAS ADVANTAGES OF SIMPLE STRUCTURE,RELIABLE PERFORMANCE,EASY TO INSTALL AND MAINTAIN
1.Pumping units conform to API Spec.11E.
2.The structure is simple and reasonable,and it wor S
smoothly with lower noise,easier to install and maintain.
3.Walking beam is a box or welded H steel beam with highstrength,good rigidity and heavy capacity.
4.Gear reducer uses herringbone involutes or doublecircular-arc gears with high bearing capacity and longworking life.
5.Horse head with swinging device moving side or upwardsis flexible and convenient for well workover.
6.Central bearing and equalizer bearing feature heavy dutyand reliable seal by adopting medium and wide series rollerbearings.
7.Self-aligning bearing is used on equalizer to reducemounting error and operating vibration.
8.Internal expansion or external contracting brake of safetydevice is easy,quick and effective for operating.
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