Adjustable Diameter and Changeable Torque Beam Pumping Unit GB/T29021-2012

Adjustable diameter and changeable torque beam pumping unit is technical innovation based on beam pumping unit. It changed traditional balance type and has good balance effect. The product accords with Chinese petroleum industry standard GB/T29021-2012 and other related standard.

Performance and advantages

Walking beam achieves crank offset balance with the unique design. It is simple to adjust. The weight box is close to ground as horsehead reaches the top dead point, which is easy to add or subtract the small counterweight of weight box. It is in good balance, adjusting the balance precisely according to load peak value. Locking up walking beam and samson post while adjusting stroke. It changes the situation of low security, high labor intensity and being assisted by crane.