General principles for efficient filter selection

High-efficiency filter - mainly used to capture particulate dust and various suspended solids below 0.5um. The ultra-fine glass fiber paper is used as the filter material, and the offset paper, aluminum film and the like are used as the split plate, and are glued with the aluminum frame aluminum alloy. Each unit is tested by the nano-flame method and has the characteristics of high filtration efficiency, low resistance and large dust holding capacity. The high-efficiency air filter can be widely used in the air supply end of the dust-free purification workshop of optical electronics, LCD liquid crystal manufacturing, biomedicine, precision instruments, beverages, and PCB printing industries. Efficient and ultra-efficient filters are used at the end of the clean room. They can be divided into two types: high-efficiency separators, high-efficiency separators, high-efficiency air-conditioning, and ultra-high-efficiency filters.

General principles for filter selection:

1. Import and export routes:
In principle, the inlet and outlet diameter of the filter should not be less than the inlet diameter of the matching pump, which is generally consistent with the inlet pipe diameter.
2. Nominal pressure:
The pressure rating of the filter is determined by the highest pressure that may occur in the filter line.
3, the choice of the number of holes:
The main consideration is the particle size of the impurities to be intercepted, depending on the process requirements of the media process. The size of the screen that can be intercepted by various specifications of the screen can be found in the table below.
4, filter material:
The material of the filter is generally selected to be the same as the material of the connected process pipe. For different service conditions, filters of cast iron, carbon steel, low alloy steel or stainless steel may be considered.
5, filter resistance loss calculation
Water filter, the pressure loss is 0.52~1.2kpa at the general rated flow rate

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