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classification
地 址：上海市金山区朱泾镇仙乐路93号
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 | hpb59-1 | |
| 阀盖/valve cover | h62 | |
| 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(英制) | d2 | b | l | |
| djf-3/8" | 229 | 223 | ф65 | ф13 | ф17.8 | ф24 | 6 | 60 |
| djf-½" | 259 | 250 | ф80 | ф15 | ф22.2 | ф29.5 | 6 | 65 |
| djf-¾" | 265 | 254 | ф80 | ф20 | ф27.7 | ф36 | 8 | 80 |
| djf-1" | 296 | 282 | ф100 | ф25 | ф34.5 | ф43.5 | 8 | 90 |
| djf-1¼" | 305 | 290 | ф100 | ф32 | ф43.2 | ф53 | 8 | 105 |
| djf-1½" | 372.5 | 354.5 | ф125 | ф40 | ф48.7 | ф62 | 8 | 120 |
| djf-2" | 381.5 | 360.5 | ф140 | ф50 | ф61.1 | ф72 | 10 | 140 |