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.
主要技术参数
Main technical parameters
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 | |