The butterfly valve is used in pipelines of petroleum, chemical, food, medicine, drug making, hydropower, ship, water supply and drainage, smelting, energy, etc. It can be used as regulating and intercepting equipment in multiple corrosive, non-corrosive gases, liquids, semi-fluid and solid powder pipelines and containers. It especially widely used in high-rise building fire systems and other pipeline systems that need to display valve switching status.
|Nominal working pressure（MPa）||1.2||1.6|
|Strength test （MPa）||4.8||6.4|