How to divide the efficiency standard of laboratory cleanroom air filter?
Air filters are air filtration devices, generally used in clean rooms, clean plants, laboratories and clean rooms, or for dust control of electronic machinery and communication equipment. There are models of primary filter, medium efficiency filter, high efficiency filter and sub-high efficiency, etc. SFFILTECH introduces to you, the different standards and usage of various models.
In order to continue the balanced development of the environmental protection market, China’s Building Research Institute certified the implementation of energy-saving standard rules, best 5 air filters (primary air filters, medium-effect air filters, high-efficiency air filters) air filters of environmental protection standards are as follows:
1, sub-efficient air filter 0.5μm particles ≥ 98%
2, high efficiency filter 0.5μm particles ≥ 90%
3, class high efficiency filter 0.1μm ~ 0.2μm and 0.2μm ~ 0.3μm two particle size range of aerosol counting efficiency ≥ 99.99995%
4, class high efficiency air filter to 0.1μm ~ 0.2μm and 0.2μm ~ 0.3μm two particle size range of aerosol counting efficiency ≥ 99.99995%
5, class high efficiency air filter 0.1μm ~ 0.2μm and 0.2μm ~ 0.3μm particle size range of aerosol counting efficiency of ≥ 99.9995%
6, class high efficiency air filter sodium flame method efficiency ≥ 99.995%
7, a class of high-efficiency air filters sodium flame efficiency ≥ 99.9995%
8, a class of high-efficiency air filter sodium flame efficiency ≥ 99.95%
9, coarse air filter 2.0μm particles ≥ 60%
10, medium-performance air filter 0.5μm particles ≥ 60%
Air filter energy-saving standards.
Air filtration section energy-saving standards for the resistance of the filter, the energy-saving indicators of different levels of filters are as follows Energy-saving indicators (resistance indicators):
1、coarse air filter ≤ 40Pa
2、medium-effect air filter ≤ 60Pa
3、High and high efficiency air filter ≤80Pa
4、Sub-efficient index ≤100Pa
5、High efficiency air filter ≤170Pa
6、High-efficiency air filter ≤200Pa
7、Class high efficiency air filter ≤230Pa
8、Class high efficiency air filter ≤230Pa
9、Class high efficiency air filter ≤230Pa
10、Class high efficiency air filter ≤230Pa
SFFILTECH believes that the design of the best 5 air filter itself has made significant progress, the most important of which is the removal of the partition, that is, the development of the partitionless filter. The spacerless filter not only eliminates the risk of damage to the filter media by the spacer, but also effectively increases the filtration area, improves the filtration efficiency and reduces the airflow resistance, thus reducing energy consumption. In addition, air filters have made great progress in high temperature resistance, corrosion resistance and water and bacteria resistance to meet some special needs.