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Introduction Of Explosion-proof Centrifugal Fan

May 22, 2021

Explosion-proof centrifugal fan is a fan that can be used in flammable and explosive plants, and it does not produce sparks during operation. Mainly used in petrochemical and other industries that have explosion-proof requirements. Today I will take everyone to understand the explosion-proof centrifugal fan.

Explosion-proof centrifugal fans are generally used in the field of conveying flammable and explosive gases or where there are flammable and explosive gases, dust, and liquids in the working environment. In these environments, if sparks are generated when the fan is running, it is fatal. Therefore, all workpieces in the centrifugal fan that may generate sparks need to be explosion-proof.


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1. All parts of the centrifugal fan in contact with gas in the explosion-proof centrifugal fan must be made of non-ferrous materials (aluminum impeller is common, which is not prone to sparks).

2. In order to prevent the friction between the centrifugal fan impeller and the air inlet to produce electric sparks and cause fires and other hazards. Explosion-proof centrifugal fans use throat explosion-proof, generally inlay an aluminum ring or copper ring at the air inlet of the fan (note that the choice of this material should be different from the material of the impeller, if the fan uses aluminum impeller, this item can be ignored).

3. The matching flange is based on the user's site to choose ordinary flange or stainless steel chemical flange.

4. Explosion-proof centrifugal fans and ordinary centrifugal fans use different motors. Explosion-proof centrifugal fans must use explosion-proof motors.

Xinxiang SIMO Blower Co., Ltd. was established in 1955. It is a centrifugal fan manufacturer with rich industry experience. It has a professional technical research and development team and has the ability to develop and manufacture explosion-proof centrifugal fan equipment under special working conditions under 600 degrees.