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The Difference Between Five Kinds Of Air Filters And The Understanding Of The Chemical Air Filter
Nov 11, 2017

【Summary】If the filter medium of the filter is air, and plays the role of purifying, then this filter is air filter. And its  specific function is the air filtration and purification, in order to subsequent treatment or direct use. So, we should make the air filter play its due function and effect.


1. Specific types and distinctions of air filters

Type 1: Primary efficiency filter

Type 2: Medium efficiency filter

Type 3: Sub-high efficiency filter

Type 4: High efficiency filter

Type 5: Super high efficiency filter


The difference between five kinds of air filters:

Primary efficiency filter: It is mainly used to remove dust particles 5um and above 5um, and the initial resistance is not greater than 50Pa. In application, it is a pre-filter in the air conditioning purification system, which can play a certain protective role to the medium efficiency and high efficiency filter, or to the other accessories in the air conditioning box, extending the service life of the accessories.

 

Medium efficiency filter: It is mainly used to remove dust particles 1um and above 1um, and the initial resistance is not greater than 80Pa. In application, it is a middle filter in the air conditioning purification system, to reduce the load of the high efficiency filter and extend its service life.

 

Sub-high efficiency filter: It is mainly used to remove dust particles 0.5um and above 0.5um, and the initial resistance is not greater than 120Pa. In application, it is a middle filter in the air conditioning purification system, or it can be used as a terminal filter in a lower purification system.

 

High efficiency filter: It is mainly used to remove dust particles 0.3um and above 0.3um, and the initial resistance is not greater than 220Pa. In application, it is a terminal filter in the air conditioning purification system. In addition, it is also applicable to a high level clean room of 0.3um.

 

Super high efficiency filter: It is mainly used to remove dust particles 0.1um and above 0.1um, and the initial resistance is not greater than 280Pa. In application, it is a terminal filter in the air conditioning purification system. In addition, it is also applicable to a high level clean room of 0.1um.


2. Common air filter and chemical air filter

The common air filter is used to filter the air, remove dust and so on. Therefore, it is to capture the different particle size particles in the air, and then adsorption, so that can eliminate and improve the air quality, so it is mainly used in the ventilation. The chemical air filter is based on the common air filter, which increases the function of removing the peculiar smell, so as to improve the air quality.

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