In the system when the formation of negative pressure in time to inhale the air protection system.
in the pipeline or container due to run or stop to produce negative pressure or vacuum gradually increased, the vacuum destroyer can automatically open, destroy the vacuum effect.
Mainly used for container or pipe , duct or vessel when the system is running or stopped due to a negative pressure or vacuum gradually increased , the valve can automatically open , breaking the vacuum effect, so that piping and other equipment not to produce flat , concave split and so on, in order to protect the safety of equipment.