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此类型专用低温截止阀主要用于低温和深冷介质的管路系统，具有开关灵活、密封可靠的特点。
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.
公称压力/nominal pressure:4.0mpa
设计温度/design temperature:-196℃～ 80℃
适用介质/applicable medium:lng 、lo2、ln2、lar
连接方式/connection method:承插焊
| 主要零部件名称 main components name | 材料 materials | |
| 阀体/valve body | zg0cr18ni9 | |
| 阀瓣/valve disc | 0cr18ni9 | |
| 阀盖/valve cover | zg0cr18ni9 | |
| 阀杆/valve stem | 0cr18ni9 | |
| 手轮/hand wheel | y102 | |
| 主密封件/main seal | pctfe | |
| 型号/model | 主要外形和连接尺寸/main form and the connection size (mm) | ||||||
| h(开） | h(关） | d | d0 | d1 | d2 | l | |
| djf-65da | 254.5 | 235.5 | ф200 | ф65 | ф60 | ф85 | 216 |
| djf-80da | 286.5 | 267 | ф250 | ф80 | ф75 | ф103 | 241 |
| djf-100da | 316.5 | 291 | ф320 | ф100 | ф95 | ф120 | 292 |
| djf-125da | 450 | 425 | ф315 | ф125 | ф120 | ф145 | 332 |
| djf-150da | 478 | 451 | ф315 | ф150 | ф147 | ф185 | 370 |