Air filters are silent sufferers – no one thinks about them because they usually don’t break or make noise. Yet, they’re an important part of your HVAC system – not only helping keep your equipment...
The air filter is the core equipment of the air conditioning purification system. The filter creates resistance to the air. As the filter dust increases, the filter resistance will increase. When t...
The HEPA filter should be replaced in any of the following cases:
Table 10-6 Clean air monitoring frequency of clean room
Cleanliness level
Test items
1~3
4~6
7
8, 9
Temperature
...
1. The purpose
Establish HEPA air filter replacement procedures to clarify the technical requirements, purchase and acceptance, installation and leak detection, and cleanliness testing of clean air...
PM2.5: D≤2.5um Particulate Matter(inhalable particle)
These particle can suspended in the air for long time
and can easy be sucked into the lung. Also, these
particle stay in the lung were difficul...