Workflow efficiency filter: 1, filtering the sewage into the center from the fine mesh of imported equipment; 2, through a fine mesh into the outlet from the inside; 3, in which the accumulation of contaminants on the inner surface of fine mesh, forming a filtrate cake; 4, when the device once the pressure exceeds a certain value, the device will automatically open the flushing valve start cleaning. For high efficiency filter installation requirements: Installation of high efficiency filter to purify air conditioning systems and critical clean room construction and installation, you should note the following: Installation before cleaning; The system should blow clean air; Purification plant should be fully cleaned again, as with a vacuum cleaner, not use ordinary vacuum cleaner, it must be equipped with ultra-clean vacuum cleaner bags; As installed in the ceiling, the ceiling should be cleaned; Then clean the commissioning of the system again after 12h clean workshop before installation of high efficiency filter. Unpacking: Only at the installation site, installation time is now split efficiency filter package should be removed after visual inspection, and require each specific test data performance metrics can not print a general limit of data (for example ≤Pa) Leak: cleanliness level equal to or higher than 100 clean room HEPA filters must be made before installing leak detection, the focus is to check whether the damaged filter leakage such as their own quality. All levels of clean workshop, require its installed high efficiency filter for leak detection, in the current specification does not give the number of checks, you can customize a scale, install leak detection is focused on the quality of the air filter seal the border. Resistance deployment: the difference will affect the amount of wind resistance various high efficiency filters and air flow evenly balanced, the installation should be high or low resistance individual air filter removed, the resistance of similar size air filter arrangement in the same room, the same rooms in different resistance air filter should also uniformly dispersed locations. For unidirectional flow air filter the same air plane cleanroom requirements for resistance is more important difference, according to “clean room construction and acceptance of” the provisions, shall meet the following relationship: Each actual resistance value (rated flow) = Actual resistance of each station (0.95 ~ 1.05) × mean surface air