... , and many other industries. .Specifications: Body: Made by forged material. Fully precision machined by CNC machine. .Connection: clamp ... from 1" up to 4". .Disk: Made by forged material. Fully precision machined by CNC machine. .Material grade ... DN34, DN40, DN50, DN70, DN85, DN104 Namesanitary welded butterfly valveNo.shsd004Material304,306LSizeDN28,DN34,DN40,DN50,DN70,DN85,DN104Connectionclamp end ...