Exhaust fan tube length exhaust fan tube opening size exhaust fan tube installation

1. How long is the exhaust fan tube?

So how long does it take for the exhaust fan tube to be suitable for its own situation?

In fact, the length of the exhaust fan tube is not very fixed, mainly depends on the proportional relationship between the amount of exhaust air and static pressure. The exhaust fan with a large amount of air has a length limit. When it reaches a certain limit, the exhaust fan is working, but the wind has no way to discharge it. The wind pressure is offset by the resistance of the duct. At this time, it is 0 air volume. It is. Therefore, the length of the exhaust fan tube is based on the length of the pipe required by the home. If the pipe is selected too long, whether the wind pressure of the exhaust fan is appropriate or not can be compromised. If it is not possible, it is necessary to use an exhaust fan with a relatively high wind pressure, otherwise it will affect the exhaust effect.

2, exhaust fan tube opening size

After buying the exhaust fan pipe, how big is it to punch the hole?

Each exhaust fan has different sizes and different specifications. Exhaust fan tubes of different sizes are different in size depending on the way they are installed. There are three ways to install the exhaust fan tube: ceiling pipe type, ceiling type non-pipe type, and partition wall type. Each installation method is divided into several types, and the holes opened by different brands are different. For details, please refer to the installation manual attached to the product. Generally speaking, the 160mm hole of the exhaust fan tube is enough, but there are many holes in the market that are 110mm. Therefore, it is necessary to open a hole according to the situation of the home. It is recommended to find an experienced master to install it. You can tell him his ideas and let him give some suggestions.

3. How to install the exhaust fan pipe

The exhaust fan duct is also called a duct fan or a duct fan. It is an air conditioner that is driven by an electric motor to drive the air vane to drive the airflow. The indoor and outdoor air is piped in and out.

So how to install the exhaust fan pipe to use it more reasonably?

If the ceiling is installed with an exhaust fan and the ceiling is pre-installed with pipes for outdoor use, it is recommended to use an exhaust fan. In the installation, a soft material is used to fill the internal gap, and it is embedded and screwed with a matching aluminum alloy frame. The venting holes are made according to the size of the pair, and the area is slightly larger than the fan, preferably about 20 mm on each side, which is convenient for the installation of the pipe.

4, exhaust fan duct dredge

If the exhaust fan tube is blocked, there is no way to exchange the gas, which affects the use of the exhaust fan. So how do the exhaust fans do the cleaning work?

Generally speaking, if the exhaust fan tube is blocked, remove it and wash it with a strong nozzle to prevent it from drying in a cool place. Do not expose it to the sun, otherwise it will easily cause the aging of the pipe and shorten its life. . If there is no way to clean the dirt in the pipeline, you can consider using a proper amount of detergent with 50 ml of vinegar solution to spray on the dirt. After 20 minutes, rinse the tube with clean water. If the kitchen will be exposed to the exhaust fan ducts such as oil fume, it is recommended to replace the pipeline, because the oil is very troublesome to clean, and the pipeline is likely to age, it is better to replace it directly.

Editor in charge: Wang Zhen

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