Guangzhou Jointair Co., Ltd.

Guangzhou Jointair Co., Ltd.

kevin.liu@jointair.com.cn

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 Guangzhou Jointair Co., Ltd.
ホーム > ブログ> The difference and function of central air-conditioning vent

The difference and function of central air-conditioning vent

November 05, 2021


Supply Air Diffuser : It is used for air supply in the air-conditioning system.  Generally it is a square diffuser which has several layers and with removable core.  It is usually connected by fireproof canvas and without a filter. The surface will be very clean, but there may have some water drops on it when supplying the cold air! The diffuser can be the nozzle diffuserthe square or round diffuser, the double deflection louver, or the linear bar grille.


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Return Air Grille It is the air return diffuser which is mostly with rectangular shape, such as single deflection and double deflection grille.  Generally it comes with the filter. The main function is to discharge the dirty air.

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Fresh Air Vent: It is designed to send the natural wind from outside directly to the desired area by a fan. And it can be equipped with a filter.


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Exhaust Air Vent: Generally it will be the grille type.  It is installed on the external wall to discharge the dirty air to the outdoor.  Mostly people will use the axial fan because the machine mouth is round.  And for easy constructionthe iron duct will be used for connection directly.  The indoor installation location is mostly in a corner not far from the machine room!

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