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1, Manual Tongs are necessary tools applied to make up and break out pipes.Changing lug jaws and latch steps can adjust different handling sizes of the tongs.They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment.
2,The main technical parameters:
No.of Latch Lug jaw |
No.of Hinge Pin Hole |
Latch step | Size Range(mm(in)) |
Rated Torque kN·m | |
in | mm | ||||
1 | Ⅰ | 1 | 4-5.1/2 | 101.6-139.7 | 135 |
2 | 5.1/2-5.3/4 | 139.7-146 | |||
Ⅱ | 1 | 5.1/2-6.5/8 | 139.7-168.3 | ||
2 | 6.1/2-7.1/4 | 165.1-184.2 | |||
Ⅲ | 1 | 6.5/8-7.5/8 | 168.3-193.7 | ||
2 | 7.3/4-8.1/2 | 196.9-215.9 | |||
2 | Ⅰ | 1 | 8.1/2-9 | 215.9-228.6 | |
Ⅱ | 2 | 9.1/2-10.3/4 | 241.3-273 | ||
2 | 10.3/4-12 | 273-304.8 | |||
3 | Ⅰ | 1 | 12-12.3/4 | 304.8-323.8 | 100 |
Ⅱ | 1 | 13.3/8-14 | 339.7-355.6 | ||
2 | 15 | 381 | |||
4 | Ⅱ | 1 | 15.3/4 | 400 | 135 |
5 | Ⅱ | 1 | 16 | 406.4 | 80 |
2 | 17 | 431.8 | |||
3,Company information:
Dongying Xincheng Petroleum Technology Co., Ltd. was established in 2003 and located at the second oilfield
of China —Shengli Oilfield. We have the specialized technicians, senior engineers and peofessional marking team. The company is committed to develop, manufacture and supply a variety array of oilfield equipments, the main products include : Petroleum equipments & tools such as drilling equipments, production equipment,tubular goods, Wellhead quipments, downhole equipments, well control equipments, cementing tools etc.;Petrochemicals.
We have established a complete quality control system, all products& equipments manufactured as per international standard and API standard.
4,Pictures:



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