Material description of the main part
| Body | 25, WCB | Cr5Mo |
| cap | 25, WCB | Cr5Mo |
| Bracket | 25, WCB | Cr5Mo |
| Disc | 2Cr13, WCB | Cr5Mo |
| Valve stem | 2Cr13 | 38CrMoAL, 25Cr2MoV |
| Seat | 25,304 | 304 |
| Seal ring | Expansion of flexible graphite | |
| filler | Expansion of flexible graphite | |
| Stem nut | ZCuA110Fe3 | |
The main size and weight
| DN (mm) | PN (MPa) | The main shape and connection dimensions (mm) | |||||||
| L | H hand | D | Do | D1 | L1 | α | W | ||
| 10 | 4.0 | 130 | 245 | 36 | 11 | 18.4 | 10 | 120 | |
| 15 | 130 | 245 | 36 | 16 | 22.5 | 10 | 120 | ||
| 20 | 150 | 265 | 44 | 21 | 28.5 | 11 | 160 | ||
| 25 | 160 | 270 | 48 | 26 | 34.5 | 12 | 200 | ||
| 32 | 180 | 285 | 48 | 34 | 37.5 ° | 200 | |||
| 40 | 200 | 320 | 55 | 40 | 37.5 ° | 240 | |||
| 50 | 230 | 365 | 64 | 48 | 37.5 ° | 320 | |||
| 65 | 290 | 410 | 82 | 66 | 37.5 ° | 300 | |||
| 80 | 310 | 430 | 95 | 78 | 37.5 ° | 3000 | |||
| 100 | 35 | 470 | 117 | 100 | 37.5 ° | 350 | |||
| 125 | 400 | 500 | 143 | 126 | 37.5 ° | 350 | |||
| 150 | 480 | 533 | 167 | 150 | 37.5 ° | 400 | |||
| 10 | 6.4 | 130 | 245 | 36 | 10 | 18.4 | 10 | 120 | |
| 15 | 130 | 245 | 36 | 15 | 22.5 | 10 | 120 | ||
| 20 | 150 | 265 | 44 | 20 | 28.5 | 11 | 160 | ||
| 25 | 160 | 270 | 48 | 25 | 34.5 | 12 | 200 | ||
| 32 | 180 | 280 | 48 | 33 | 37.5 ° | 200 | |||
| 40 | 200 | 320 | 55 | 39 | 37.5 ° | 240 | |||
| 50 | 230 | 365 | 64 | 48 | 37.5 ° | 320 | |||
| 65 | 290 | 410 | 82 | 65 | 37.5 ° | 320 | |||
| 80 | 310 | 430 | 95 | 76 | 37.5 ° | 360 | |||
| 100 | 350 | 470 | 117 | 98 | 37.5 ° | 400 | |||
| 125 | 480 | 500 | 143 | 123 | 37.5 ° | 400 | |||
| 150 | 480 | 533 | 167 | 148 | 37.5 ° | 500 | |||
| 10 | 10.0 | 130 | 245 | 36 | 10 | 18.4 | 10 | 120 | |
| 15 | 130 | 245 | 36 | 14 | 22.5 | 10 | 120 | ||
| 20 | 150 | 265 | 44 | 20 | 28.5 | 11 | 160 | ||
| 25 | 160 | 270 | 48 | 25 | 34.5 | 12 | 200 | ||
| 32 | 180 | 285 | 48 | 32 | 37.5 ° | 200 | |||
| 40 | 200 | 320 | 55 | 38 | 37.5 ° | 240 | |||
| 50 | 230 | 355 | 64 | 48 | 37.5 ° | 320 | |||
| 65 | 290 | 410 | 82 | 63 | 37.5 ° | 320 | |||
| 80 | 310 | 430 | 95 | 74 | 37.5 ° | 360 | |||
| 100 | 350 | 470 | 117 | 97 | 37.5 ° | 400 | |||
| 125 | 400 | 500 | 143 | 123 | 37.5 ° | 400 | |||
| 150 | 480 | 533 | 167 | 148 | 37.5 ° | 500 | |||
