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1. Coarse filtration: Coarse filters  have a wide range of filtration precision typically, generally between 50 μm and 500 μm. They are mainly used to filter larger particles or impurities, such as leaves, sand and gravel, etc., to protect the equipment and pipelines in the system.

Filter oil leakage may be caused by various reasons.

Manual backwashing filters are effective water treatment devices that can remove impurities and particles from water and keep it clean. The following are the operation steps of the manual backwashing filter:

Hydraulic filter by-pass valve is a valve used for filter by-pass in hydraulic system. Common filter by-pass ways include check valve, throttle valve and bidirectional by-pass valve.

The main function of the emulsion pump station filter

Automatic backwash filter is not a special equipment, but it has important application value in the field of industrial filtration. Special equipment usually refers to equipment involving life safety and greater risk. As an advanced filter equipment, automatic backwash filter has been widely used in modern industry. However, the question of whether fully automatic backwash filters are special equipment has left many people confused. Next, we will analyze this problem in detail.