99久久精品费精品国产-玩弄丰满奶水的女邻居-色婷婷欧美在线播放内射-四虎精品成人免费视频-亚洲精品一区国产

Emergency gas shut-off valve

Dateline:2014-11-30    Hits:

Gas emergency shut-off valve in the equipment failure, corrosion failure, seal failure,leakage, or emergency, to cut off the source of upstream hazardous materials, to avoid accident scope, control effects of the accident, reduce the loss of accidents.Emergency gas shut-off valve is a practical environmental protection type by Shanghai Yonglong valves factory \\ technology development department five retired senior engineer Zhang Gong invented the shut-off valve.

Emergency gas shut-off valve is arranged in the gas tank / piping exit emergencywhich can quickly cut off valve, the valve to control the use of the electromagnetic valve is closed, is one of the relatively ideal safety valve.

Product overview:

Emergency gas shut-off valve is normally open type pulse trigger type electromagnetic valve. Shanghai Yonglong valves production gas emergency shut-offvalve has the advantages of simple structure, sensitive response, reliable action,accident self-locking and manual reset function etc. it is used in all walks of life. Mainly in the following aspects:

1 and the leakage of combustible gas monitoring instrument is connected. When the instrument to detect combustible gas leak, close the main gas supply automatic fastvalve, cut off the supply of gas, time to stop the occurrence of malignant accidents.

2 and the limit temperature of thermal equipment (or pressure) is connected to the safety controller. When the numerical limit device is within the detection point temperature or pressure exceeds the set, automatically and quickly close the gas supply valve, stop fuel supply.

The central fire leakage instrument system 3 and tall buildings connected. When thebuilding when the fire occurs, automatic cut off the building's gas supply, to prevent accidents.

Emergency gas shut-off valve is arranged 4 or factories in the city gas supply pipe network, in the central control room centralized control, remote control, emergency shut off the scene of the accident of pipeline gas. Suitable for gas, natural gas andliquefied petroleum gas and other combustible gases, widely used in the gas supply pipeline network, gas heat energy factory, gas boiler room and the safety facilities ofthe residential housing.

5 reliable technical performance; low load loss; very high safety performance; energy saving excellent performance; rapid cutting performance are the five majorcharacteristics of the series products.


手機網站

主站蜘蛛池模板: 国产精品对白交换视频| 精品国产乱码久久久久久软件大全 | 人人妻人人做从爽精品| 色偷偷激情日本亚洲一区二区| 一道本在线伊人蕉无码| 成熟丰满熟妇高潮xxxxx视频| 精品无码专区毛片| 丝袜美腿一区二区三区| 最近免费韩国日本hd中文字幕| 亚洲欧洲日产韩国无码| 亲近乱子伦免费视频无码| 99久久国产综合精品一区| 懂色av一区二区三区免费| 精品人妻一区二区三区含羞草| 国内精品久久久久久久coent| 黑人巨茎大战欧美白妇免费| 在线观看成人无码中文av天堂| 黑人强伦姧人妻日韩那庞大的| 国产乱人伦av在线a| 欧美一区二区你懂的| 欧美一区二区视频免费观看| 大学生高潮无套内谢视频| 久久婷婷五月国产色综合| 偷看农村女人做爰毛片色| 校园春色~综合网| 国产欧美日韩一区二区三区四区五区| 69国产一区二区三区色噜噜| 亚洲人成色777777老人头| 亚洲国产精品无码久久久蜜芽| 成人福利国产午夜av免费不卡在线 | 视频一区二区激情| 24小时日本在线www免费的| 巨爆乳中文字幕爆乳区| 国产人成无码视频在线| 国产成人av男人的天堂| 日本免费一区在线视频| 色一情一乱一伦一区二区三区日本| 一边啪啪一边呻吟av夜夜嗨| 国产剧情无码播放在线观看| 成人精品天堂一区二区三区| 亚洲日本精品国产一区vr|