Ọrụ eriri igwe ndọda API 7K nke ụdị CD ELEVATOR
Igwe mbuli elu ọnụ ụzọ CD nke nwere ubu akụkụ anọ dabara adaba maka ijikwa ihe mkpuchi ọkpọkọ, olu ọkpọkọ na mmanụ na gas eke, owuwu olulu mmiri. Emebere ma mepụta ngwaahịa ndị a dịka ihe achọrọ na Nkọwapụta API Spec 8C maka Ngwa Ịkpọpụta na Mmepụta.
Usoro Nkà na ụzụ
| Ụdị nlereanya | Nha (n'ime) | Okpu e nyere ọkwa (Mkpirikpi tọn) |
| CD-100 | 2 3/8-5 1/2 | 100 |
| CD-150 | 2 3/8-14 | 150 |
| CD-200 | 2 3/8-14 | 200 |
| CD-250 | 2 3/8-20 | 250 |
| CD-350 | 4 1/2-20 | 350 |
| CD-500 | 4 1/2-14 | 500 |
| CD-750 | 4 1/2-9 7/8 | 750 |
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