Common specifications and models of exhaust fans on the market

Negative pressure fan, also called exhaust fan or ventilation fan, is a mechanical device that removes dirty air, moisture and odor in a closed space. Exhaust fans can be used in a variety of places: livestock farms, greenhouses, industrial workshops, etc.

In order to let the majority of users have an understanding of the specifications and models of exhaust fans, Nantong Yueneng fan manufacturer shares the specifications and models of commonly used exhaust fans with everyone for your reference.

1.See the picture above: square exhaust fan: divided into heavy hammer type and push-pull type. The outer frame material is generally galvanized plate and 304 stainless steel. The shape is square. There is a safety net on the air inlet side and a dustproof one on the exhaust side. Rainproof blinds, the blinds will be blown open naturally by the wind during normal use, and will automatically close when the power is cut off. For heavy hammer-type exhaust fans, in winter or when there is a power outage, the shutters can be opened through a manual pull switch to achieve natural ventilation and lighting.

2.Fiberglass fan: The outer frame is made of anti-corrosion fiberglass, and the motor is directly driven, eliminating belt maintenance. The air inlet is PVC blinds, which can be opened flexibly. It is the first choice fan for ventilation and cooling in modern factories.

The above are the common fan models on the market. There are also various other specifications extended from them. I will not explain them one by one here. When we select the fan, we can base it on the actual size of the installation location, the size of the space, etc. Choose the specifications that suit your situation, or you can consult a professional sales engineer and follow the advice of professionals.