A sampling valve is a valve used to take a sample of a medium in a pipeline or equipment. It can be used in many cases where chemical analysis of media samples is required. Here is how most sample valve works: According to the working principle or performance in the sampling process, the sampling valves are mainly divided into four types, including double opening valves, flange clip valves, sampling valves with thermal insulation jackets and aseptic sampling valve. Double open valve The double open valve is a more common sampling valve characterized by safe and stable sampling. It is usually composed of two connected ball valves. Sampling process: first close…