Some unsafe accidents may occur in the factory one day if they are not handled properly. In order to avoid some situations, many people already know how to make the production of the factory safe. They usually use automatic ball valves, because a special device inside the ball valve can shut down all these gases or liquids to prevent them from leaking out. After all, for many people, if they use it widely, they will surely have greater security for themselves. Because we know that many people understand such a truth, we often see that its copper mirror is really very extensive, because this also proves that its applicability is relatively wide. Just imagine that if it can be used from high vacuum to high pressure, from small to a few millimeters to a few meters, it is a spectacular situation.

8、 Travel switch (annunciator) The device that the travel switch reflects the two extreme positions of the valve switch and sends out an indication signal at the same time. The control room can switch off the valve switch status according to this signal to take corresponding measures.