欧美午夜在线观看理论片-欧美午夜在线视频-欧美线人一区二区三区-欧美香蕉视频-欧美香蕉视频在线观看-欧美香蕉爽爽人人爽观看猫咪

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: 亚洲欧美日韩久久精品第一区 | 国产性色强伦免费看视频 | 久久毛片网站 | 日韩经典欧美一区二区三区 | 亚洲欧美日韩综合久久久久 | 波多野结衣一区2区3区 | 亚洲欧美人成网站综合在线 | 99久久精品一区二区三区 | 大乳护士好爽免费视频 | 天天操一操| 欧美乱妇在线观看 | 一级毛片不卡片免费观看 | 国产偷亚洲偷欧美偷精品 | 久久精品免费观看视频 | 99综合久久| 狠狠色狠狠色很很综合很久久 | 国产精品亚洲综合网站 | 国产精品嫩草影院午夜 | 色老头免费视频精品三区 | 在线天堂中文在线资源网 | 91五月天| 国内精品久久久久久中文字幕 | xxxwww日本高清 | 日本成人不卡 | 亚洲视频免费 | 天天se天天cao综合网蜜芽 | 国产精品久久香蕉免费播放 | 国产色婷婷精品综合在线手机播放 | 欧美三级欧美成人高清www | 欧美11p| 日韩二区 | 国产成品精品午夜视频 | 桃色成人精品网站 | 青青国产成人久久91 | 91男女视频 | 欧美日韩视频在线第一区二区三区 | 共边吃奶边添下面好爽 | 日韩久久久精品中文字幕 | 亚洲一区二区中文 | 香港三级日本三级三级人妇 | 色综合久久88色综合天天提莫 |