1. Model:Type SB
2.Standard: API Spec 7K Specification for drilling and well servicing equipment.
3. manual tongs are necessary tools applied to make up and break out pipes
4.Changing lug jaws and latch steps can adjust different handling sizes of the tongs
Main Technical Parameters
No.of Latch Lug Jaws | Handling Shoulder | Handling O.D.(mm) | Handling O.D.(in) | Rated Torque(KN.m) | 1# | 1 | 88.9-104.8 | 3 1/2-4 1/8 | 55 | 2 | 104.8-127 | 4 1/8-5 | 55 | 2# | 1 | 108-133.4 | 4 1/4-5 1/4 | 75 | 2 | 127-146 | 5-5 3/4 | 75 | 3 | 152.4-171.5 | 6-6 3/4 | 75 | 3# | 1 | 168.3-184.1 | 6 5/8-7 1/4 | 75 | 2 | 187.3-203.2 | 7 5/8-8 | 75 | 3 | 215.9-228.6 | 81/2-9 | 55 | 4# | 1 | 228.6-244.5 | 9-9 5/8 | 55 | 2 | 269.8-273 | 10 5/8-10 3/4 | 55 | 5# | 1 | 298.5 | 11 3/4 | 40 | 6# | 1 | 323.8-330.2 | 12 3/4-13 | 40 | 7# | 1 | 339.7 | 13 3/8 | 40 |
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