2022-03-27 The classification of stainless steel beer brewery fermentation sampling valves is mainly carried out according to their operation methods, which can be divided into four types: manual, pneumatic, self-reset and diaphragm aseptic sampling valves. They can be sterilized before and after each sampling, and the application fields are basically the same, such as beer, milk, beverage, juice, pharmaceutical and other industries, but the operation mode and connection mode are different.