Regarding pressure vessels, to prevent vacuum formation, is there a specific type of vacuum break valve available for selection?
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Regarding pressure vessels, to prevent vacuum formation, is there a specific type of vacuum break valve available for selection?
Yes, it is indeed necessary to prevent a vacuum on pressure vessels. When designing pressure vessels, it is necessary to take into account situations that may result in a vacuum, such as medium evaporation or leaks. To prevent a vacuum from forming inside the container, a vacuum break valve needs to be installed on it. The selection of a vacuum break valve takes into account factors such as the working pressure, temperature, and medium of the container, and must comply with relevant standards and specifications. Common types of vacuum break valves include spring-type, weight-type, pneumatic-type, etc. When selecting a vacuum break valve, factors such as its structural reliability, maintainability, and service life must also be considered. .
There is a negative pressure/vacuum safety valve, whose mechanism is the reverse of that of a positive pressure safety valve; when activated, it allows external air to enter the container or pipeline. This type of product is very common, and there are many descriptions of it online.