成人国产免费软件_国产高清久久久久久_国产97人人超碰CAO蜜芽PROM_亚洲欧美另类在线视频_国产一区二区三区久久久久久_成人午夜爽A片免费视频

Pneumatic Ventilation Butterfly Valve

Size:DN100~DN2000
-Connection Standard:PN10/PN16,ANSI150,DIN16,JIS10K,16K
-Working temperature:-15~430℃
-Working pressure:PN6~PN16
-Body:Cast Iron、SS、Alloy steel, chromium-molybdenum-titanium steel, etc.
-Disc:Cast Iron、SS、Alloy steel, chromium-molybdenum-titanium steel, etc.
-Medium: Waste gas, smoke, ventilation
-Operating:Pneumatic


Ordering hotline:021-54150349

Immediately consult
  • Product introduction
  • Product parameters
Ventilation butterfly valve is a kind of non-hermetic butterfly valve, which is used in the ventilation and environmental protection engineering of the chemical industry, building materials, power plants, glass and other industries. It is used as a pipe control device for gas medium to regulate or cut off the flow. This type of valve shall generally be installed horizontally in pipes. The new structure is designed and manufactured by welding the middle-line plate with the short structure steel plate. It is compact in structure, light in weight, easy to install, small in flow resistance and large in flow, avoiding the influence of high temperature expansion and easy to operate. No connecting rod, bolt, etc. inside, reliable operation, long service life. It can be installed in multi-station without the influence of medium flow direction.

主站蜘蛛池模板: 国产一级不卡毛片 | 久久99精品久久久噜噜最新章节 | 日本爽快片视频 | 日韩成人av影院 | 99男女国产精品免费视频 | 99视频国产精品免费观看 | 中文字幕日日骚 | 午夜影视片 | 亚洲一线产区二线产区区别 | 久久99婷婷国产精品免费 | 伊人久久大香线焦av综合影院 | 成人午夜亚洲精品无码55 | 国产亚洲欧美一区二区 | 人妻少妇精品视中文字幕国语 | 午夜无码福利伦利理免 | 亚洲一区二区三区精品动漫 | 国语自产拍在线观看7m | 国产成人XXXXX免费视频 | 视频一区二区三区在线 | 亚欧成人永久免费视频 | 毛片成人| 欧美性猛交ⅹxxx乱大交3 | 亚洲欧洲日产喷水无码 | 真实国产老熟女无套中出 | 国产精品18久久久久久不卡孕妇 | av视频在线| 国产jizz18高清视频 | 成人av综合网 | 少妇高潮一区二区三区99 | 国产蜜臀AV在线一区二区三区 | 欧洲精品视频一区 | 久草免费视 | 久久精品国产亚洲aⅤ不卡 久草香蕉依人在线 | 国产成人小视频 | 欧美、另类亚洲日本一区二区 | 亚洲一区二区欧美日韩 | aaaaa一级片| 手机看一级毛片 | 精品国产一级毛片 | 26uuu久久综合 | 免费乱理伦片在线观看夜 |