1)BV.F-S Series
The light valve body is made of die-cast aluminum, the disc is made of anti-wear polythene lining with steel plate. The special sealing composed by the disc and the anti-wear rubber ring is so suitable for the applications with powder/particle materials, especially for the abrasive materials.
2)BV.F-A Series
The light valve body is made of die-cast aluminum, the disc is made of St. St. ANSI304/316L. Various sealing rings are optional for different application requirements: High Temperature Silicon, Acid/Alkali Resistance Rubber, EPDM, etc.
3)BV2F-F Series
Food-grade Butterfly Valve for dust proof, sealed by an integral food-grade rubber, is able to avoid the contact between the material and the aluminum body. The disc is made of St. St. ANSI304/316L. Durable but easy for installation and maintenance.
ST.ST.304 Butterfly Valve