Vibanio vya Usalama vya API 7K kwa Uendeshaji wa Kamba ya Kuchimba
Vibanio vya Usalama ni zana za kushughulikia bomba la kuunganisha na kola ya kuchimba visima. Kuna aina tatu za vibanio vya usalama: Aina ya WA-T, Aina ya WA-C na Aina ya MP.
Vigezo vya Kiufundi
| Mfano | bomba OD(ndani) | Idadi yaViungo vya mnyororo | Mfano | bomba OD(ndani) | Idadi yaViungo vya mnyororo |
| WAT | 1 1/8-2 | 4 | Mbunge-S | 2 7/8-4 1/8 | 7 |
| 4-5 | 8 | ||||
| MP-R | 4 1/2-5 5/8 | 7 | |||
| 2 1/8-3 1/4 | 5 | 5 1/2-7 | 8 | ||
| 6 3/4-8 1/4 | 9 | ||||
| 3 1/2-4 1/2 | 6 | 9 1/4-10 1/2 | 10 | ||
| MPM | 10 1/2-11 1/2 | 11 | |||
| WA-C | 3 1/2-4 5/8 | 7 | 11 1/2-12 1/2 | 12 | |
| 4 1/2-5 5/8 | 8 | 12 1/2-13 1/2 | 13 | ||
| 5 1/2-6 5/8 | 9 | 13 5/8-14 3/4 | 14 | ||
| 6 1/2-7 5/8 | 10 | 14 3/4-15 7/8 | 15 | ||
| 7 1/2-8 5/8 | 11 | MPL | 15 7/8-17 | 16 | |
| 8 1/2-9 5/8 | 12 | 17-18 1/2 | 17 | ||
| 9 1/2-10 5/8 | 13 | 18 1/8-19 3/8 | 18 | ||
| 10 1/2-11 5/8 | 14 | MP-XL | 19 3/8-20 3/8 | 19 | |
| 111/2-125/8 | 15 | 20 3/8-21 1/2 | 20 | ||
| 12 1/2-13 5/8 | 16 | 21-22 5/8 | 21 | ||
| 13 1/2-14 5/8 | 17 | 225/8-23 3/4 | 22 | ||
| 233/4-24 7/8 | 23 | ||||
| 14 1/2-15 5/8 | 18 | 24 7/8-26 | 24 | ||
| 26-27 1/8 | 25 | ||||
| 29 3/8-30 1/2 | 28 | ||||
| 35-36 1/8 | 33 |
Andika ujumbe wako hapa na ututumie






