Square louvered butterfly valve, the driving method can be manual, worm gear, pneumatic or electric, the connection method can be flange or clamp, the structural form can be louver type, the sealing structure can be soft seal or hard seal, the pressure range is PN0.1-10Mpa , the nominal diameter is DN40-2000mm, and the materials can be aluminum alloy, cast steel, and stainless steel.

This valve is a reliable device for regulating and opening and closing air, flue gas, dust gas and flammable gases. This valve can be combined with various mechanisms to form valves with different performances. It has many blades, low noise, light weight, small operating torque, It has large circulation capacity and easy operation. It is especially suitable for large diameter, large flow and low pressure difference occasions. It is widely used in metallurgy, mining, building materials, chemical industry, power stations and other industrial sectors.