1. Air supply, including ventilation, such as fresh air and exhaust, is a very wide range. For example, factory workshops and production site air are required to be discharged to the outdoors due to the generation of harmful gases, and outdoor air must be delivered to the interior. At this time, it is necessary to use a large-pressure and low-pressure air transmission pipe. The spiral air pipe is most suitable. In general, galvanized iron pipes are used, and stainless steel pipes are used in corrosive and particularly humid places. The

2, it looks beautiful. The

3, exhaust smoke. The kitchens of restaurants, restaurants, and hotels all have a lot of fumes and need to be discharged. The use of a circular air duct is an oil chimney. Here, the spiral duct is called a soot tube. The

4, dust. Some factories produce a lot of dust in the workshop and need specialized dust removal devices. The ducts with larger air flow rates can use spiral air ducts. The

5, bulk material transport. In some factories, loose particles must be transported during the production process. In particular, spiral ducts with low specific gravity, such as foamed plastic pellets, are inexpensive and effective.


The use of spiral duct

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