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Diaphragm valve is a valve that regulates the flow of fluid through a flexible diaphragm. It is widely used in various industrial fields, especially in industries with high requirements for sanitary conditions, such as food, medicine and chemical industry. Diaphragm valves have the advantages of no leakage, small flow resistance and easy maintenance.

Ball valve is a valve widely used in fluid control systems. It has a simple structure, easy operation and good sealing. According to different classification standards, there are many types of ball valves:

Check valve, also known as one-way valve or non-return valve, is used to prevent the backflow of media in the pipeline. It only allows the medium to flow in one direction and is widely used in various fluid control systems. In order to ensure the normal operation of the check valve and extend its service life, the following is an overview of its use and maintenance:

A butterfly valve is a valve that regulates and cuts off fluids by rotating a disc-shaped valve disc. It is widely used in various industrial fields, including water treatment, petrochemicals, electricity, food processing, etc. The following is an introduction to the use and maintenance of butterfly valves: