DJF系列低溫長(zhǎng)軸截止閥
DJF系列低溫長(zhǎng)軸截止閥 DJF Low-Temperature Long Axis Cut-off Valve
此類型專用低溫截止閥主要用于低溫和深冷介質(zhì)的管路系統(tǒng)，具有開關(guān)靈活、密封可靠的特點(diǎn)。
These low-temperature stopping valves are mainly used in pipeline systems with low-temperature and deep cold mediums.featured in its flexible operation and reliable sealing.
主要技術(shù)參數(shù) Main technical parameters
公稱壓力/Nominal pressure:4.0MPa
設(shè)計(jì)溫度/Design temperature:-196℃～+80℃
適用介質(zhì)/Applicable medium:LNG 、LO2、LN2、LAr
連接方式/Connection method:承插焊
| 主要零部件名稱 Main components name | 材料 Materials | |
| 閥體/Valve body | ZG0Cr18Ni9 | |
| 閥瓣/Valve disc | Hpb59-1 | |
| 閥蓋/Valve cover | H62 | |
| 閥桿/Valve stem | 0Cr18Ni9 | |
| 手輪/Hａnd wheel | Y102 | |
| 主密封件/Main seal | PCTFE | |
| 型號(hào)/Model | 主要外形和連接尺寸/Main form and the connection size (mm) | |||||||
| H(開） | H(關(guān)） | D | D0 | D1 | D2 | B | L | |
| DJF-10 | 229 | 223 | Ф65 | Ф13 | Ф14.5 | Ф24 | 6 | 60 |
| DJF-15 | 259 | 250 | Ф80 | Ф15 | Ф18.5 | Ф29.5 | 6 | 65 |
| DJF-20 | 265 | 254 | Ф80 | Ф20 | Ф25.5 | Ф36 | 8 | 80 |
| DJF-25 | 296 | 282 | Ф100 | Ф25 | Ф32.5 | Ф43.5 | 8 | 90 |
| DJF-32 | 305 | 290 | Ф100 | Ф32 | Ф38.5 | Ф53 | 8 | 105 |
| DJF-40 | 372.5 | 354.5 | Ф125 | Ф40 | Ф45.5 | Ф62 | 8 | 120 |
| DJF-50 | 381.5 | 360.5 | Ф140 | Ф50 | Ф57.5 | Ф72 | 10 | 140 |
