KHT5500 hydraulic power tongs is the open power tongs which is applicable to make up or break out 23/8"-31/2" drill pipes, 31/2"-41/2" tubing and 41/2"-51/2" casing during oil field workover operation. 疒nd three-jaw-plate clamping device is adopted in the master tong and back tongs. The device may ensure minimum string damage. It has high operation efficiency and may reduce working intensity of the workers. It ca氵n enhance screwing quality of the string and reduce string accidents caused by improper workover operation.
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