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1. The circular ceramic seal ring for the on/off picece, driving by the stem, the seal ring rotates 0-90degree around the stem centre to complete the on/off function. Due to being compact and light and easy structure, it can ensure reliable seal.
2. The seal can be adjustable and replaced, which improves the performance and prolongs life.
3. The doubel eccenstricity structure contributes to separation on seal opening and seal on contact closing, so that can achive the two way seal.
4. Both valve seat and gasket ring adopt ceramic with resistance to corrosion and sour plus a long service life.
5. O ring is provided at the back of the valve, contributing to better sealing performance.
Ceramic Butterfly Valve