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Classification
Add：No.93 xianle road, zhujing town, jinshan district, Shanghai
Nominal pressure:4.0MPa
Design temperature:-196℃～+80℃
Applicable medium:LNG 、LO2、LN2、LAr
Connection method:Socket welding
| Main components name | Materials |
| Valve body | ZG0Cr18Ni9 |
| Valve cover | ZG0Cr18Ni9 |
| Model | Main form and the connection size (mm) | |||||
| H | L | D0 | D1 | D2 | B | |
| DGF-10 | 56 | 60 | Ф13 | Ф14.5 | Ф24 | 6 |
| DGF-15 | 62 | 65 | Ф15 | Ф18.5 | Ф29.5 | 6 |
| DGF-20 | 71 | 80 | Ф20 | Ф25.5 | Ф36 | 8 |
| DGF-25 | 78 | 90 | Ф25 | Ф32.5 | Ф43.5 | 8 |
| DGF-32 | 90 | 105 | Ф32 | Ф38.5 | Ф53 | 8 |
| DGF-40 | 99 | 120 | Ф40 | Ф45.5 | Ф62 | 8 |
| DGF-50 | 112 | 140 | Ф50 | Ф57.5 | Ф72 | 10 |
