Valves are very common in our lives. If you add the word “sanitary” in front of the valve, do you really understand it? If your answer is NO, then just keep reading; if your answer is YES, then the next test is for you. Take the ball valve as an example. Would you think these are sanitary ball valves? I believe most of you will answer “YES” again because the valves in the picture all contain three clip connections. However, the three-clip connection does not mean sanitary valves. So the answer is obvious now–these valves are just common valves with tri-clamp connections. I don’t know how many people are right.…