This section provides an overview for vent filters as well as their applications and principles. Also, please take a look at the list of 10 vent filter manufacturers and their company rankings.
Table of Contents
A vent filter is a filtering device that filters air flowing into a tank to make it sterile and dust-free. They are used in the semiconductor industry, pharmaceuticals, fine chemicals, beverages, and cosmetics industries, where clean air is required. Generally, it captures fine particles of about 0.2 μm with high performance. Polypropylene and fluoropolymer-based materials are often used as filter materials, and can be used repeatedly by sterilizing them in an autoclave. Steam can also be passed through the tank with the filter attached.
Vent filters are used for sterile and dust-free applications in the semiconductor, pharmaceutical, fine chemical, beverage, and cosmetic industries. In the food and pharmaceutical industries, vacuum freeze-drying and sterilization of medical instruments are performed, and a large amount of air flows in during these processes. Cleanliness of this incoming air is essential, and this is one of the situations in which vent filters are used. There are various types of vent filters, so they must be selected appropriately according to the type of tank, purpose of use, and substances to be removed.
This section describes examples of vent filters and cautions for their use. Vent filters are used to maintain the sterility of the internal environment, but they can be used for a variety of purposes.
These filters are used for the above purposes. However, the desired effect cannot be expected unless the vent filters are determined according to the intended use. The filtration speed and substances that can be removed vary depending on the filter material and pore size. Since the filtration speed depends on the filter area, the structural design of the filter device is also important. The ability to capture particles and droplets efficiently is also necessary, and the removal of bacteria is an essential performance requirement. In addition, the filter must be capable of withstanding autoclave sterilization.
*Including some distributors, etc.
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