Description
Manual tong
Manual Tongs are conventional tools for making up and breaking out connections of tubular goods, from light tubing to heavy wall drill pipe or drill collar. Manual Tongs covers pipe sizes from 2⅜inch to 36inch, and varies in torque capacity from 35kN·m to 140kN·m. Manual tongs are loaded when in service, line pull on lever should be at a right angle to axis of lever, and tong dies must be fully engaged, not to exceed the rating torque on manual tongs at any time. Any manual tongs are cast from high quality alloy steel, heat-treated and MPI tested, and toque test for manual tongs are always 1.5 times of the rating torque, manual tongs can be assembled by removing the hanger and turning the complete tong over.
|
Jaw No. |
Step of each jaw |
Size Range (inch) |
Torque (kN·m) |
|
5a |
1 |
3⅜, 3¾, 4⅛ , |
55 |
|
2 |
4⅛, 4¼, 4½, 4⅝, 4¾, 5, 5⅛, 5¼ |
75 |
|
|
5b |
1 |
4¼, 4½, 4⅝, 4¾, 5, 5⅛, 5¼ |
|
|
2 |
5, 5⅛, 5¼, 5⅜, 5½, 59/16, 5⅝, 5¾ |
||
|
3 |
6, 6⅛, 6¼, 6⅜, 6½, 6¾ |
||
|
5b1 |
1 |
5¼, 5⅜, 5½, 59/16, 5⅝, 5¾ |
|
|
2 |
6, 6⅛, 6¼, 6⅜, 6½, 6⅝ |
||
|
3 |
6¾, 7, 7⅜, 8 |
55 |
|
|
5c |
1 |
6⅝, 6¾, 7, 71/16, 7¼, 7⅜ |
75 |
|
2 |
7⅜, 7⅝, 7¾, 8 |
||
|
3 |
8½, 8⅝ |
55 |
|
|
5d |
1 |
8½, 8⅝, 9½, 9⅝ |
|
|
2 |
10⅝, 10¾ |
||
|
5e |
1 |
11¾ |
|
|
2 |
12¾ |
|
|
|
