API Standard KHT5500 Hydraulic power tong and casing tong

HT5500 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"-4+/2" tubing and 41/2"-51/2" casing during oil field workover operation. And three-jaw-plate clamping device is adopted in the master tong and back tongs.