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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 to prevent the pipeline system of low temperature and cryogenic medium medium flow back, has the characteristics of the sealing is reliable.
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：0Cr18Ni9 |
| Main seal：PTFE |
| Spring：1Cr18Ni9 |
| Model | Main form and the connection size (mm) | |||||||
| H | H1 | L | D0 | D1 | D2 | D3 | B | |
| DZH-25 | 78 | 131.5 | 90 | Ф25 | Ф32.5 | Ф43.5 | Ф82 | 8 |
| DZH-32 | 90 | 141.5 | 105 | Ф32 | Ф38.5 | Ф53 | Ф101 | 8 |
| DZH-40 | 99 | 173 | 120 | Ф40 | Ф45.5 | Ф62 | Ф101 | 8 |
| DZH-50 | 112 | 176.5 | 140 | Ф50 | Ф57.5 | Ф72 | Ф126 | 10 |
