According to its working principle, air filter can be divided into the initial effect filter, the medium effect filter, the high-efficiency filter and the sub - efficiency model..

Primary air filter

Usually made of man-made fiber filter, the frame is made of solid, moisture-proof cardboard box. Under normal operating conditions, no deformation, rupture and distortion. Before and after the frame to the diagonal fixed filter. Glue frame filter and frame tightly to prevent gas leakage.

Early effect filter is mainly used in pre filtration of air conditioning and ventilation system primary filtration, filtration of the air in the clean room, local, filter device, mainly used for filtering, 5 mu m and above the particle size of the dust particles, using gravimetric analysis was used to test meter. Primary protection for multilevel filtering systems. Non-woven fabric filter material, nylon mesh, aluminum wave net, stainless steel net, non-woven filter out surface wind after finishing processing, to prevent the non-woven fiber breakage scattering caused secondary pollution.

Medium efficiency air filter

Made from synthetic fiber and galvanized iron. There are various efficiency options available, including 40-45%, 60-65%, 90-95%, 80-85%. Flange by 26 gauge galvanized iron composition. This series of products can be used in industrial and commercial, hospitals, schools, buildings and other various factory air conditioning equipment (Department of air conditioning system, the primary filter and protection system, the lower level filter and the system itself, in place of air cleaning cleanliness requirements are not strict, the medium efficiency filter processing after the air can be directly sent to the user) can also be installed tuyere equipment or computer room in a gas turbine engine, in order to prolong the service life of the equipment.

DC, DZ type coarse efficiency of bag filter is adopted for early, in effect, non-woven fabrics do filter material, cold plate spray frame, as a secondary filter, the product with large dust capacity, small resistance and cleaning, etc., according to different use of the environment and material, the filter efficiency rating points for F5, F6, F7, F8.

Air filter

Suitable for constant temperature and humidity, allowing the air filter containing traces of acid, alkali and organic solvent, the product is high efficiency, low resistance, large dust capacity, widely used in aerospace, aviation, electronics, pharmaceutical, bio engineering and other fields.

For filtering air compressor suction dust impurities in the air, inhaled air is more clean is the service life of the oil filter, oil and gas separation of core and oil more secure; prevent other foreign material into the host, the host damage, leading to host "locking" even scrapped. Life is usually around 2000 hours