Specifications:
Structural formation: BB-BG.
Diving manner: Hand wheel, worm, worm gear, pneumatic, electric-actuated.
Design standard: AP1 599, AP16D, GB12240.
Face to face: ASME B16.10, GB 12221, DIN 3202.
Flange end: ASME B 16.5, JB79, GB9113, DIN 2543-2545.
Test & inspection: AP1 598, AP16D, GB13927, DIN3230.
Performance:

| Pressure Rate | Shell test (MPa) | Sealing test (MPa) |
| 150 | 3.0 | 2.2 |
| 300 | 7.5 | 5.5 |
| 600 | 15.0 | 11.0 |
| 900 | 22.5 | 16.5 |
| PN(MPa) | Shell test (MPa) | Sealing test (MPa) |
| 1.6 | 2.4 | 1.76 |
| 2.5 | 3.75 | 2.75 |
| 4.0 | 6.0 | 4.4 |
| 6.4 | 9.6 | 7.04 |
| 10.0 | 15.0 | 11.0 |
| 16.0 | 24.0 | 17.6 |