With the development of the times, advances in science and technology, and the continuous improvement of people’s living standards, the fields of application of bio-chemicals continue to expand and expand. With this, large-scale, modern, and automated industrial production of medical supplies will follow. The valve is a modern pharmaceutical plant fermentation workshop used to cut off or communicate steam, water, media, air and other fluids, regulate the flow of fluids, control the pressure in the pipeline or container indispensable control fittings.