Sprinkler Vacuum Breaker Leaking

The series 765 pressure vacuum breakers are used the series 765 pressure vacuum breakers are used to protect against health hazard and non health hazard back siphon age conditions in industrial plants cooling towers laboratories laundries swimming pools and lawn sprinkler systems.

Sprinkler vacuum breaker leaking.

We do sprinkler repair vacuum breakers pipe repairs and more. Anonymous user i am having a problem with the vacuum breaker valves on my sprinkler system. If you re selling your home in minneapolis or bloomington you ll probably have to pick up a vacuum breaker or two. With over 20 years of experience repairing and maintaning sprinkler systems.

The most common reason why water leaks through a valve is because there is debris obstructing the valves diaphragm. Leaks from the depths. It may be in need of repair. And an air relief valve that opens to break a siphon when pressure drops below 1 psi.

Hunter sprinklers are also able to have check valves added in the field after they are installed. It uses a spring loaded check valve which shuts tightly when pressure drops below 1 psi. A clear sign that something is not working properly is leaking from under the bell or bonnet assembly of the valve. Repair kits are available from the manufacturer that are specific to each pvb model.

The poppet that moves inside the pressure vacuum breaker unit and the bonnet that covers it have o ring gaskets that seal against the inner walls of the breaker. The internal components of a pressure vacuum breaker can become damaged by freezing and through normal use over time. A vacuum breaker commonly referred to as a backflow preventer is a device that. Then reconnect test for leaks and call for inspection.

Replacing the entire pressure vacuum breaker assembly with a new one is a fairly simple process. When i turn the water on for the summer at the main water valve water comes gushing out of the breaker valve. A pvb pressure vacuum breaker or sprinkler vacuum breaker is designed to protect against back siphonage of contaminated water from entering your drinking water. The lightweight poppet seals air opening under minimum flow conditions and the engineered plastic bonnet.