
German Fastener valve Fastener model Fastener price
Fastener valves include vacuum ball valves, vacuum gate valves, vacuum venting valves, pneumatic vacuum valves, etc. Their function in a vacuum system is to change the direction of airflow, regulate the flow rate, and cut off or connect the pipeline; such vacuum system components are called vacuum valves. Fastener valve connection methods: Flange connection is the most commonly used connection form for valves. According to the shape of the mating surface, it can be divided into the following types: 1) Smooth type: Used for valves with low pressure. Easy to process. 2) Male-female type: For higher working pressure, medium-hard gaskets can be used. 3