Flexible butterfly valve
1) Composed of wafer and flange
2) Body material: Cast iron, cast steel, stainless steel, Cr. Mo. Steel\\alloy steel
3)Disc: Cast steel, Alloy steel, stainless steel, Cr. Mo. Steel
4)Uses: Petroleum, chemical industry, industrial environmental protection, water treatment, high rise buildings, water supply and draining
5) Reliable hermetic capability
6) High temperature resistant, long life, high antisepsis
7) Design standard: API609-83
8) Flange connection dimension: ANSI B 16.5
9) Structure length: ANSI B 16.10-1992
10) Pressure test: API 598-82
11)Operator: Manual, electric, worm gear, pneumatic