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add：no.93 xianle road, zhujing town, jinshan district, shanghai
this type is special vacuum jacketed low-temperature globe valve is mainly used in low temperature and cryogenic medium pipeline system, has the characteristics of flexible switch, reliable sealing.
nominal pressure:4.0mpa
design temperature:-196℃～ 80℃
applicable medium:lng 、lo2、ln2、lar
connection method:socket welding
| main components name | |
| valve body：zg0cr18ni9 | |
| valve disc：0cr18ni9 | |
| valve cover：zg0cr18ni9 | |
| valve stem：0cr18ni9 | |
| hand wheel：y102 | |
| main seal：pctfe |
| model | main form and the connection size (mm) | ||||||||
| model | h(om） | h(off） | l | d0 | d1 | d2 | d3 | a | b |
| dzj-25 | 364 | 352 | 90 | ф25 | ф32.5 | ф43.5 | ф82 | 236 | 8 |
| dzj-32 | 374 | 352 | 105 | ф32 | ф38.5 | ф53 | ф101 | 248 | 8 |
| dzj-40 | 434 | 419.5 | 120 | ф40 | ф45.5 | ф62 | ф101 | 282.5 | 8 |
| dzj-50 | 443 | 420.5 | 140 | ф50 | ф57.5 | ф72 | ф126 | 286 | 10 |