Manual Tongs are necessary tools applied to make up and break out pipes.Changing hug 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.
No.of Latch Lug Jaw |
No.of High Pin Hole |
Latch Step |
Size Range |
Rated Torque | |
|
in |
mm | ||||
|
1# |
Ⅰ |
1 |
4-5.1/2 |
101.6-139.7 |
|
|
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 |
6.5/8-7.1/4 |
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 | |||