Lif ɗin API 7K Nau'in DD Tan 100-750
Na'urorin ɗagawa na tsakiyar samfurin DD masu kafada mai murabba'i sun dace da sarrafa bututun, abin wuya na haƙa rami, bututun haƙa rami, akwati da bututun. Nauyin ya kama daga tan 150 tan 350. Girman ya kama daga inci 2 3/8 zuwa inci 5 1/2. An tsara kuma an ƙera samfuran bisa ga buƙatun da ke cikin API Spec 8C Specification don Kayan Haƙa da Samarwa.
Sigogi na Fasaha
| Samfuri | Girman (in) | Murfin da aka ƙima (Gajeren Ton) | ||
| DP | Kafet | Bututun shawa | ||
| DD-150 | 2 3/8-5 1/2 | 4 1/2-5 1/2 | 2 3/8-4 1/2 | 150 |
| DD-250 | 2 3/8-5 1/2 | 4 1/2-5 1/2 | 2 3/8-4 1/2 | 250 |
| DD-350 | 2 7/8-5 1/2 | 4 1/2-5 1/2 | 2 3/8-4 1/2 | 350 |
Rubuta saƙonka a nan ka aika mana da shi






