国产高清一级毛片在线人_伊人色爱_成人福利视频_成人1区2区3区_免费网站成人亚洲_国产盗摄一区二区三区在线

Emergency cut off valve for ammonia

Dateline:2014-11-30    Hits:

Emergency shut-off valve referred to as ammonia (Cutout Valve) cut-off valve, is suitable for the ammonia / gas storage tank pipeline entrance control cut-off safetyvalve flow.

Emergency shut-off valve using gas with ammonia (compressed air, nitrogen) andexplosion-proof solenoid valve to control the valve open close, by the multi springpneumatic diaphragm actuator or floating piston actuating mechanism and a regulating valve, adjust the instrument to receive the signal, the flow control process in the pipeline, switch on or switch off. The control room touch switch of the electromagnetic valve or manual that gas pressure relief in case of emergency, or high temperature is greater than or equal to 80C when the fusible alloy melts, while the cylinder automatic pressure relief, cut off valve is less than or equal to 3 seconds quickly shut down andstop leakage, play a role in safety protection.


手機網站

主站蜘蛛池模板: 九色视频网站在线观看 | 国产一区二区内射最近更新 | 就去干成人网 | av一线| 国产在线小视频 | 久久精品国产亚洲blacked | 国产福利一区二区在线 | 我真的不是气运之子动漫免费观看 | 国产精品野外av久久久 | 91国在线观看 | 亚洲久草在线 | 91亚洲国产精品 | 亚洲成a人片77777潘金莲 | 国内自拍第23页 | 免费av在| 热播短剧玫瑰冠冕免费观看 | 亚洲精品wwww | 国产一级毛片国语 | 日韩视频在线观看免费视频 | 9191网站| 久久 在线 | 日本a一级在线免费播放 | 91免费网站视频 | 91免费在线观看网站 | 国产成人精品亚洲日本在线观看 | 亚洲国产97在线精品一区 | 欧美日韩亚洲一区二区三区 | h网站在线播放 | 黄色一级片免费看 | 精品视频在线播放一区二区三区 | 亚洲精品精 | 午夜精品一区二区三区在线观看 | 韩国毛片在线 | 女色婷婷 | 91男女| 国产香蕉视频上线免费 | www..com欧美 | www.91超碰| 操操操人人人 | 久草在线最新视频 | 国产精品久久艹 |