Technical specification:
| Item | Content |
| Design standard | GB/T12224, JB/T3595, DL/T922 |
| Structural length (Welded connection) | GB/T 12221 |
| Pressure and temperature | JB/T 3595, DL/T922 |
| Test & inspection | JB/T 3595 |
| Weld the slope mouth | GB/T12224, JB/T3595 |
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, C12A |
| 2 | Seat | 25, 15CrMoA, 12CrMoVA |
| 3 | Disc | WCB, WC1, WC6, WC9, C12A |
| 4 | Stem | 1Cr17Ni12, 2Cr13, 20Cr1MoV, 25Cr2Mo1V |
| 5 | Bonnet | WCB, WC1, WC6, WC9, C12A |
| 6 | Sealing ring | Graphite |
| 7 | Quarto ring | 1Cr13, 2Cr13, F11, F22, F91 |
| 8 | Packing | Graphite |
| 9 | Stud | 35CrMoA, 25Cr2MoV |
| 10 | Nut | 45, 35CrMoA, 25Cr2MoV |
| 11 | Valve stem nut | Copper alloy |
| 12 | Handwheel / Motor | QT400-15 / Package |