The switch is quick and convenient, under normal circumstances only need the handle to turn 90 degrees to complete the full-open or full-close action, truly achieve rapid opening and closing. the sealing performance is good, most of the ball valve seats are made of PTFE and other elastic materials, the general sealability is easy to ensure that all widely used. long life, due to PTFE has a good self-lubrication, and the valve body, ball, valve stem friction and wear, so greatly increased the life of the ball valve. high reliability, ball and valve seat will not be bruised, the valve rod will not fly out of rapid wear, fire, anti-static function. widely used, in addition to the general media, but also transport viscous fluid, slurry and solid particles., Manufacturer: DMETE