Technical specification:
| Item | Content |
| Design standard | ASME16.34, BS 1868, JIS E101 |
| Structural length (Welded connection) | ASME16.10 |
| Pressure and temperature | ASME16.34, JIS E101 |
| Test & inspection | API598, BS 6755, JIS E101 |
| Weld the slope mouth | ASME B16.25 |
Note: valve connecting flange and welded groove can be designed and made upon the user requirements.
Major parts material form:
| No | Part name | Material |
| 1 | Body | WCB, WC1, WC6, WC9, C12, C12A, WB36 |
| 2 | Seat | A105, A182-F11, F22, F5, F9, F91, FB36 |
| 3 | Disc | WCB, WC1, WC6, WC9, C12, C12A, WB36 |
| 4 | Rocker | WCB, WC1, WC6, WC9, C12, C12A, WB36 |
| 5 | Sell the post | A182Gr.F6a, A182-F22, A182-F11, F9, F91, 321, 321H |
| 6 | Sealing ring | Graphite |
| 7 | Bonnet | WCB, WC1, WC6, WC9, C12, C12A, WB36 |
| 8 | Stud | A193-B7, A193-B16 |
| 9 | Nut | A194-2H, A194-4 |