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How to choose a primary air filter?
How to choose a primary air filter?Primary air filters are divided into primary panel filters, primary folding filters, primary paper frame filters, primary nylon mesh filters, and primary bag filters.They are used as pre-filters to effectively block dust particles in the air and protect the back-end medium and high-efficiency filters. The primary filter is made of an aluminum oxide extruded profile with an internal skeleton of filter material, which is compact, light, and easy to install and dismantle. The filter media is made of polyester synthetic fiber, its inlet surface is fluffy and the outlet cover is tight, which provides a larger dust holding capacity and reasonable design of filter element pleats to increase the effective filtration area while reducing the resistance and increase the dust holding capacity while ensuring the efficiency. After a period of use, the primary air filter can be cleaned by air gun blowing and reused to save operating costs to a large extent. The primary filter uses a mesh wire or galvanized skeleton to support the filter media, which can meet the operating airspeed requirements of each ventilation system. Then the plate-type primary filter has the following characteristics: 1. The outer frame is made of aluminum profiles with a unique supporting skeleton (reinforcement) structure. It is easy to replace and assemble and has good versatility. 2. Lightweight structure, easy handling, and installation 3. Can be replaced with new filter media or cleaned and reused, reducing operating costs 4. Application occasions pre-filtration of the centralized ventilation system of clean room, the centralized ventilation system of large general industry, automobile industry. Ventilation and air conditioning systems for large civil buildings such as hotels, office buildings, shopping malls, gymnasiums, and airports. Often choosing the primary air filter, we will all consider the actual situation of the clean room. According to the main parameters under the rated air volume, air volume can provide filtration efficiency, there is also the initial resistance, dust capacity and shape size, and other important factors to choose from. |
