Handing Tools Manual Tongs as API 7k Spec. Standard/DB Type of Manual Tongs of Oil Well Drilling
Handing Tools Manual Tongs as API 7k spec. Standard/DB type of manual tongs of oil well drilling
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.
| Latch lug jaws | Handle O.D.mm(in) | Torque | ||
| NO. | Shaft Pin | mm | in | KN.m |
| Hole No. | ||||
| 1# | 1 | 89-114 | 3 1/2-4 1/2 | 90 |
| 114-152 | 4 1/2-6 | |||
| 2 | 127-178 | 5-7 | ||
| 3 | 152-210 | 6-8 1/4 | ||
| 2# | 1 | 203-244 | 8-9 5/8 | |
| 2 | 270-286 | 10 5/8-11 1/4 | ||
| 3# | 1 | 298-324 | 11 3/4-12 3/4 | 55 |
| 2 | 340-365 | 13 3/8-14 3/8 | ||
| 4# | 2 | 406-432 | 16-17 | |
There are also B type for 3 3/8-13 3/8,SB type for 3 1/2-13 3/8, AAX type for 2 7/8-13 3/8,C type for 2 3/8-10 3/4,WWB type for 2 3/8-10 3/4 etc.
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