In the previous article An Overview of Diaphragm Valves, you have already known what the diaphragm valve is. Its opening and closing part is a piece of the diaphragm made of soft material, which is used to separate the body cavity, cover cavity and the drive parts. Sanitary diaphragm valves is a special type of diaphragm valve which has higher specifications and is safer and more hygienic. The main material of sanitary diaphragm valves is stainless steel. Although the stainless steel sanitary diaphragm valve has a better performance than the ordinary valve, one thing similar is that all kinds of valves have a service life and maintenance cycle. Regular maintenance…