Dimensions & weights
Technical specification
| Item | Standard or requirement |
|---|---|
| Structural formation | BB–BC |
| Driving manner | Wrench wheel, worm & worm gear, pneumatic, electric-actuated |
| Design standard | API 599; API 6D |
| Face to face | ASME B16.10; GB12221; DIN3202 |
| Flange ends | ASME B16.5; JB79; GB9113; DIN2543–2545 |
| Test & inspection | API 598; API 6D; GB13927; DIN3230 |






