Valve main parts and material
No | Part name | CS | SS | Low temp. |
1 | Body | 1.0619 | 1.4408 | 1.1138 |
2 | Body seat | 1.437 | Stellite 21 | 1.4370 |
3 | Bonnet | 1.0619 | 1.4408 | 1.1138 |
4 | Disc | 1.4021 | 1.4571 | 1.4571 |
5 | Disc surface | 1.4021 | Stellite 6 | Stellite 6 |
6 | Yoke | WCB | WC1 | WC6 |
7 | Bellows | 1.4571 | 1.4571 | 1.4571 |
8 | Bonnet gasket | 1.4571/graphite | ||
9 | Bolts | A2/70 | A2/70 | A2/70 |
10 | Nuts | A2/70 | A2/70 | A2/70 |
11 | Gland packing | Pure graphite | ||
12 | Gland | 1.0715 | 1.4305 | 1.4305 |
13 | Stem-lower part | 1.0718 | 1.4305 | 1.4305 |
14 | Stem-upper part | 1.4122 | 1.4571 | 1.4571 |
15 | Handwheel | 0.602 | 0.602 | 0.602 |