日本一区不卡_老司机avhd101_免av片_最新国产久免费视频在线观看_免费国产VA在线观看视频_香蕉成人啪国产精品视频综合网

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: 91精品综合久久久久久久久久久 | 日韩欧美国产激情在线播放 | www.色播 | 国产爆乳无码视频在线观看3 | 亚洲在线观看视频 | 一区二区精品国产 | 国产欧美日韩三区 | 亚洲天堂AV网站在线观看 | 国色天香一卡二卡三卡四卡视频 | 久久99精品久久久久久国产越南 | 国产二区三区在线 | 亚洲国产精品久久无码中文字 | xxxxx18国产| 国产在线观看一区二区三区精品 | 人妻无码中文字幕中出精品 | 日韩性活大片 | 国产精品美女久久久婷婷网站 | 黑人巨大精品欧美黑白配亚洲 | 日韩欧美精品区 | 国产高清美女一级a毛片久久 | 国产精品久久免费视频 | 日韩欧美在线免费 | 五月天色婷婷丁香 | 日韩欧美国产手机在线观看 | 国产a级久久 | 一片毛片 | 日韩视频在线免费观看 | 日韩人妻熟女毛片在线看 | 99久久精品国产一区二区成人 | 久久99精品久久久久久6194 | 国产av毛片一区二区三区 | 成 人 黄 色 视频播放165 | 国产自产精品一区 | 午夜AV免费播放不卡三区 | 国产视频亚洲精品 | 99国产综合| 国产精品久久国产精麻豆99网站 | 97在线视频播放精品国自产拍 | 日韩有码中文字幕在线 | 国产手机视频在线流畅观看 | 亚洲精品乱码久久久久久麻豆不卡 |