Pneumatic ventilation butterfly valve is used as a gas medium to adjust the flow or cut off the dust in the dusty cold air or hot air gas pipeline of the ventilation and environmental protection projects in the chemical industry, building materials, power stations, glass and other industries.

Features of pneumatic ventilation butterfly valve:
1. It is designed and manufactured with a new structure welded by a centerline disc plate and a short structure steel plate. It is compact in structure, light in weight, easy to install, small in flow resistance, large in circulation, avoiding the influence of high temperature expansion, and easy to operate.
2. There are no connecting rods, bolts, etc., so it works reliably and has a long service life. It can be installed in multiple positions and is not affected by the flow direction of the medium.
Pneumatic ventilation butterfly valve is a kind of non-closed butterfly valve, which is widely used in the production process of building materials, metallurgy, mining, electric power and other production processes.
Pneumatic ventilation butterfly valve is designed and manufactured by adopting a new type of structure welded between centerline disc plate and short structure steel plate. It is compact in structure, light in weight, easy to install, small in flow resistance, large in circulation, and easy to operate to avoid the influence of high temperature expansion. There are no connecting rods, bolts, etc. in the body, reliable work and long service life. It can be installed in multiple positions and is not affected by the flow direction of the medium.
The pneumatic ventilating butterfly valve is made of the same material as the valve body and processed into a sealing ring, which adopts electric or pneumatic transmission. The applicable temperature depends on the material selection of the valve body, and the nominal pressure is ≤0.6MPa. It is generally suitable for industrial, metallurgical, environmental protection and other pipelines for ventilation and media flow adjustment. Its main features are:
1. Novel design, reasonable structure, light weight, quick opening and closing.
2. Small operating torque, convenient operation, labor-saving and dexterous.
3. Use suitable materials to meet the requirements of low, medium and high medium temperatures and corrosive mediums.