主要零部件名称

阀体/Valve body:CF8

阀瓣/Valve disc:304

阀盖/valve cover: CF8

阀杆/valve stem: 304

主密封件/Main seal: PTFE或PCTFE

气缸/cylinder: 铸铝

支架/stents: 铸铝

主要技术参数

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:插焊、对焊

公称通径/Nominal diameter: 20mm ~ 50mm

强度试验压力/strength test pressure: 4.OMpa

气密性试验压力/Air tightness test pressure: 1 . 6Mpa

方向密封试验压力/direction of seal test pressure: 0 .4Mpa

气缸气源压力/Air pressure cylinder: 0 .4 ~ 0 . 6Mpa

紧急切断温度/Emergency cut-off temperature: +7o℃

紧急切断时间/Emergency cut-off time: <2秒