"High efficiency filter", package you satisfied!
Release time:
2020-10-09
In general, a high efficiency filter (HEPA) is a filter having a collection efficiency of 99.97% or more for particles having a particle diameter of 0.3 μm or more. Because of the excellent filtration efficiency, it is usually used as the end filter device of the clean workshop of the pharmaceutical company to provide sufficient clean air.
Whether the clean room can achieve and maintain the clean level of the design can be related to the performance of the high efficiency filter and its installation process to a certain extent. This leads to the need for leak detection tests in clean workshops to ensure that"high efficiency filterWhether it meets the requirements, of course, this is also one of the important means to ensure a clean environment in the workshop. Among them, FDA has also pointed out in the production guidelines for sterile drugs that it must carry out leak detection tests after installation, so as to check the sealing properties of filter gaskets, frames, filter materials and other parts, especially for sterile preparation production workshops, leak detection tests of filters should be carried out regularly.
The filtration efficiency of the high-efficiency filter itself is generally tested by the original manufacturer, so the filter must be accompanied by a filter efficiency report and a certificate of conformity when the filter leaves the factory. Especially for pharmaceutical companies, high-efficiency filter leak detection is necessary, but herehigh efficiency filterLeak detection refers to the on-site leak detection after the installation of the filter and the system. The main purpose is to check the small pinholes in the filter material and other damages, such as frame seals, gasket seals, and leaks on the filter frame. The purpose of this leak detection is to check the sealing of the high-efficiency filter and its installation frame connection parts and other places, to be able to find the high-efficiency filter itself and the defects that may exist in the installation process in time, so that the corresponding remedial measures can be taken in time to ensure the cleanliness of the area.
High efficiency filter according to its structure can be divided into no partition and partition. Among them, the non-clapboard high-efficiency filter has the characteristics of high efficiency, large air volume, low operating cost, and most of them are suitable for terminal filtration of air conditioning units or various large air conditioning air purification equipment.
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