welded metal bellows vacuum valve means that the inner cavit

Writer： admin Time：2021-10-14 22:42 Browse：℃

welded metal bellows vacuum valve means that the inner cavity of the valve is in a vacuum state. A vacuum valve means that the inner cavity of the valve is in a vacuum state. It is usually called negative pressure. The pressure in the inner cavity is lower than atmospheric pressure. Butterfly valves, vacuum diaphragm valves, etc. The medium is high purity. Ball valves, gate valves, globe valves, etc. can all be produced into vacuum valves and ordinary conventional valves. There is no difference in appearance, and there is a difference in the design of the valve connection part, but it is only a matter of detail."