久天堂亚洲综合精品|亚洲精品国产成人片在线观看一区二区三区|男人靠女人免费视频网站|久草视频精品|亚洲成AV人不卡无码影片|无码午夜成人1000部免费视频|国产综合精品一区二区在线|揄拍成人国产精品视频

Product center

Product center

ball valve
ball valve
Metering Pump Accessories
ball valve

Ball valve is a valve with a circular channel ball as the opening and closing parts, the ball with the stem rotation to achieve the opening and closing action of the valve. The main feature of the ball valve is its own compact structure, easy to operate and maintain. Suitable for water, solvents, acids and natural gas and other general working media, but also for oxygen, hydrogen peroxide, methane and ethylene and other harsh working conditions of the media.


return