国产a精品视频,2020黄片在线免费观看,久久亚洲精品女人黄,亚洲国产一级在线观看在,久久精品毛片免费不卡,免费国产a深夜影院

current location: Home   >> News >> Company news

Float valve features

The main feature of the floating ball valve is that the ball has no support shaft, and the ball is held by two seats in a "floating" state. It is mainly used for cutting off, distributing and changing the direction of medium flow in the pipeline. The main features of the floating ball valve are seat seal design, reliable reverse seal valve seal stem, fire static function, automatic pressure relief and locking device.

Floating ball valve is suitable for: chemical industry, petroleum, natural gas, metallurgy, and other industries and containing hydrogen sulfide medium, impurities, serious corrosion of natural gas pipeline.


华坪县| 廊坊市| 郁南县| 潼南县| 鸡西市| 邛崃市| 南江县| 丰原市| 博白县| 永平县| 嵊州市| 和政县| 从江县| 徐水县| 措美县| 北川| 法库县| 环江|