The sanitary butterfly valve adopts concentric seal design. The valve body and disc is of high quality forged stainless steel sourced from reputed suppliers. The valve parts are all CNC machined, the disc can be customized according to special requirement. ( Stainless steel with PTFE lining, Stainless steel with VMQ lining). The seal materials comply with sanitary requirements, and the seal moulds are designed and manufactured by Ansha for quality assurance. Manual,  pneumatic and electrical operation are available. It is widely used in F & B, fruit juice, pharmaceutical, biological engineering, etc.