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...
1.All types of air filters and HEPA air filters are not allowed to tear or open the bag or packaging film by hand before installation; the air filter should be stored in strict accordance with the ...
1. Objective: To establish a standard operating procedure for the replacement of primary, medium and HEPA air filtration treatments so that the air conditioning system is in compliance with the med...
Primary bag filter(also named bag primary filter or bag primary air filter),Mainly used for central air conditioning and centralized air supply systems. The primary bag filter is generally used for...
One, determine the efficiency of air filters at all levels
The last level of air filter determines the cleanliness of the air, and the upstream pre-air filter plays a protective role, making the en...
