
| Category | Item | Specification | Standard |
|---|---|---|---|
| Design and Manufacture | Design and Manufacture | JB/T10529 | |
| Design and Manufacture | Connection End | Face to Face | Manufacturer Standard |
| Design and Manufacture | Connection End | Flange End | GB/T9113 |
| Inspection & Test | Inspection & Test | JB/T9092 | |
| Inspection & Test | Mark | GB/T12220 | |
| Inspection & Test | Delivery | GB/T12252 |
| No. | Name | Material |
|---|---|---|
| 1 | Cover | WCB |
| 2 | Seat | Engineering ceramic |
| 3 | Disc | WCB + Engineering ceramic |
| 4 | Disc fixing shaft | 45# |
| 5 | Stud | 35CrMo |
| 6 | Nut | 45# |
| 7 | Body | WCB |
| 8 | Rod | 45# |
| 9 | Yoke | Q235 |
| 10 | Pneumatic |
| DN | L | D | D1 | D2 | B | f | Z-d |
|---|---|---|---|---|---|---|---|
| 50 | 340 | 165 | 125 | 102 | 18 | 3 | 4-φ18 |
| 65 | 340 | 185 | 145 | 122 | 18 | 3 | 4-φ18 |
| 80 | 340 | 200 | 160 | 138 | 20 | 3 | 8-φ18 |
| 100 | 350 | 220 | 180 | 158 | 20 | 3 | 8-φ18 |
| 125 | 350 | 250 | 210 | 188 | 22 | 3 | 8-φ18 |
| 150 | 380 | 285 | 240 | 212 | 22 | 3 | 8-φ22 |
| 200 | 380 | 340 | 295 | 268 | 24 | 3 | 8-φ22 |
| 250 | 400 | 395 | 350 | 320 | 26 | 3 | 12-φ22 |
| 300 | 450 | 445 | 400 | 370 | 26 | 4 | 12-φ22 |

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