Butterfly Valve supplier The fluorine-sealed butterfly valve can be applied to harsh working conditions, and can be used to cut off or adjust the flow of medium on the pipeline. Product performance: 1. Double eccentric sealing structure is adopted, which has the function of getting tighter and tighter when closing, and the sealing performance is reliable. 2. The main material of the valve body and butterfly plate is ductile iron, and the sealing material is 1Cr18Ni9Ti stainless steel paired with polytetrafluoroethylene, http://www.sinomachflange.com/....valve/butterfly-valv
