cast iron butterfly valve

Product Description

This corrosion resistant butterfly valve is separated style, lined the valve with the PTFE liner ring. It can be fit for various corrosive and dangerous medium. Between the liner ring and valve is the back liner which was made of high-elasticity rubber, the liner ring disc adopts the double spherical surface sealing structure, used for guarantee the reliable closing and sealing performance even some laceration emerges due to long-time using. With the excellent design, it will be safety and no leakage during long time use.