Wafer butterfly valves (without flange) due to the special and diverse design and also its price, are one of the most widely used flow and connection valves in various industries.

One of these various designs has application in lines were there is high speed fluid, mostly under vacuum, like fire extinguishing lines.

Application for this type of Wafer Valves with special inner coating is monitoring of fire extinguishing in power plants, refineries and petrochemical site.