私人影院做爱视频,岛国女优av高清在线,我和亲妺婷婷在浴室作爱经过,女人和拘做受全过程免费,成人无码区免费AⅤ片WWW软件,亚洲AV无码国产成人久久强

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.


临朐县| 深圳市| 石渠县| 玉树县| 贵阳市| 县级市| 定安县| 洞口县| 古丈县| 桐乡市| 连江县| 文登市| 红桥区| 灌南县| 长子县| 璧山县| 定州市| 汉寿县|