Fire signal butterfly valve

Overview

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.

Technical parameters