国产午夜无码片在线观看丨又黄又爽又猛的视频免费丨亚洲熟女综合色一区二区三区丨性猛交╳xxx乱大交丨国产黄色免费观看丨美女毛片在线丨精品乱码一区二区三四五区丨99视频+国产日韩欧美丨国产视频久久久久丨久久99热这里只有精品丨男人天堂最新网址丨成年人的视频网站丨国产资源在线免费观看丨免费av看丨成人免费三p在线观看丨国产婷婷在线观看丨综合久久国产九一剧情麻豆丨欧美最猛性xxxx丨三级欧美视频丨午夜理论无码片在线观看免费丨中文字幕亚洲图片丨成人在线综合丨天天爽天天搞丨葵司av三级在线看丨亚洲成av人无码综合在线观看

All-weather explosion-proof breathing valve

Products > Flame arrester and breathing valve > All-weather explosion-proof breathing valve

All-weather explosion-proof breathing valve

Model: GFQ-II Type
Nominal diameter: DN25mm
Main material: steel, stainless steel, aluminum
Connection type: Flange
Temperature: 200 ℃
Contact purchase
shared:

The main purpose
GFQ-II all-weather explosion-proof breathing valve for the installation of crude oil, gasoline, kerosene, light diesel oil, aromatics and other fixed top-type storage tank on the main safety equipment is from the evaporation loss and protection When the tank overpressure or vacuum Protect from destruction. This valve is usually used with flame arrester. 
 
The main features of
the valve with ventilation, sealing performance, leakage, corrosion resistance and other characteristics. 
  
 The main shape and flange connection size

specificationWeight (Kg Taiwan)Installation size (mm)
D1D1LHn × Φ
DN506.5Φ110Φ1401602554 × 14
DN809.8Φ150Φ1852132604 × 18
DN10012Φ170Φ2052652904 × 18
DN15021Φ225Φ2603053308 × 18
DN20031Φ280Φ3153553508 × 18
DN25035Φ335Φ37042040012 × 18

Note: Connecting flange in line with JB78-59 "cast iron flange" requirement.