1. The last operation of the pipeline is the valve. The main performance of the valve in service items and reliability in all walks of life is unique. After purchase, valve inspection and maintenance were not carried out immediately, which led to valve disrepair, water seepage or insensitive power switch; The valves were not maintained and tested on time, and even were not cleaned, tested and technically inspected for many years.

Simple and intelligent things can be accepted by people in a short time, just as computers are easier to use, so more people will accept them, but the research and development of computers is becoming more and more complex. Of course, even if we have a certain understanding, we may not participate in it. Of course, this principle is also suitable for pneumatic butterfly valves. This kind of product is simpler in structure, so it makes more users.