激情亚洲AV无码日韩色_人人爽人人澡人人高潮_国产福利免费_国产一二级视频_蜜桃av一区二区_丰满岳乱妇三级高清

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: 乱码丰满人妻一二三区 | 国产成人综合日韩精品无码 | 日本女人一级片 | 久久婷婷五月综合色国产香蕉 | 六月丁香婷婷色狠狠久久 | 国产精品69人妻我爱绿帽子 | www欧美在线观看 | 丁香五月缴情在线 | 中文字幕久久久久人妻 | 国产成人精品一区二三区熟女在线 | 成人美女摇乱后入式内射视频 | 亚洲国产精品无码久久久动漫 | 久久99国产精品成人 | 国产高清女同学巨大乳在线观看 | 亚洲成av人片一区二区三区 | 精品人妻无码区在线视频 | 中国一级黄色毛片 | 精品国产乱码aaa一区二区 | 亚洲女初尝黑人巨 | 国产香蕉尹人在线视频你懂的 | 免费的m3u8在线观看 | 人人澡 人人澡 人人看欧美 | 人妻少妇看A偷人无码精品 国产精品青草久久久久婷婷 | 欧美不卡精品 | 亚洲综合色婷婷在线观看 | 精品乱码卡1卡2卡3免费开放 | 99热这里只有精品免费播放 | 麻豆国产成人av一区二区三区 | 亚洲成精品自拍 | 麻豆蜜桃国产精品无码视频 | 欧美黑人巨大xxxxx | 亚洲熟妇无码AV不卡在线 | 亚洲AV无码国产一区二区三区 | 亚洲精品无码久久久久久 | 鲁死你资源站亚洲AV | 无码中文精品专区一区二区 | 日本不卡无码二区三区 | 亚洲精品无码一区二区三区四虎 | 亚洲无码在线播放 | 尤物亚洲国产亚综合在线区 | 国产偷抇久久精品a片69 |