精品无码国产自产拍在线观看密_芊芊视频国产成人日韩精品_在线看片不卡免费人成视频久网_青草无码国产免费久久精品_在线观看视频在线播放9_在线中文字幕亚洲欧美一区_国产日韩av成人_色丁香婷婷五月天综合影院_乱人伦人妻中文字幕不卡_国产图片小说另类综合

DJQ系列型低溫緊急切斷閥 DJQ electro emergency cut-off valve at low temperature

此類型專用低溫緊急切斷閥適用于低溫貯槽上切斷流通介質(zhì)，特別是在出現(xiàn)火情故障時能及時切斷介質(zhì)。廣泛用于LNG、液態(tài)乙烯及其它低溫介質(zhì)，具有體積小、重量輕、密封可靠、緊急切斷迅速可靠和防靜電的特點。

This type is special emergency cut-off valve is suitable for low temperature storage tank at low temperature on cut off circulation medium, especially in the event of a fire failure can promptly cut off the medium. Widely used in LNG, ethylene and other low temperature liquid medium, has small volume, light weight, reliable sealing, reliable emergency stop quickly and anti-static characteristics.

主要技術(shù)參數(shù) Main technical parameters

公稱壓力/Nominal pressure:4.0MPa

設(shè)計溫度/Design temperature:-196℃～+70℃

適用介質(zhì)/Applicable medium:LNG 、LO2、LN2、LAr

連接方式/Connection method:插焊

公稱通徑/Nominal diameter:25mm~50mm

強度試驗壓力/Strength test pressure：4.0MPa

氣密性試驗壓力/Air tightness test pressure:1.6MPa

方向密封試驗壓力/direction of seal test pressure:0.4MPa

氣缸氣源壓力/Air pressure cylinder:0.4～0.6MPa

緊急切斷溫度/Emergency cut-off temperature:+70℃

緊急切斷時間/Emergency cut-off time:<2秒