A pressure-vacuum breaker is an important part of any irrigation system and is required by most cities, because it prevents contamination of the potable water supply through the irrigation system. It works by breaking back-suction on the lines should water pressure fall, thereby...
REX Vacuum Breakers provide a simple, dependable way to relieve any unwanted vacuum condition which may develop in closed vessels such as vats, unit heaters, jacketed pans, cookers, receivers, evaporators, heat exchangers, tanks, boilers, etc. and...
The vacuum breaker is also called vacuum relief valve. It let the outside air in and prevent the backflow of water. The vacuum breaker is placed on the bib cock valve that supply the pressure drop and helps the disc to spring back. This let the vents open and the outside air...