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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 |