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What is Vacuum Breaker?
Vacuum breaker is a device used to prevent vacuum formation in the plumbing system. It is the type of valve that allows air to enter the system when the water flow stops or slows down, breaks the vacuum and prevents the formation of negative pressure.
Vacuum breakers are commonly used in outdoor faucets, sprinkler systems, and other plumbing fixtures to prevent backflow that can occur when the water pressure in the system drops below atmospheric pressure. This can cause contaminated water to flow back into the system and pose a health hazard. Vacuum breakers are also used in irrigation systems, where they help prevent damage to plants and soil due to the absorption of water from the soil.
There are several types of vacuum breakers, including atmospheric vacuum breakers, pressure vacuum breakers, and double check valve assemblies. The type of vacuum breaker used depends on the particular application and the backflow potential in the system.
How Does the Vacuum Breaker Work?
The vacuum breaker is the device that prevents the formation of vacuum in the plumbing system. It does this by allowing air into the system when vacuum is created, which prevents vacuum from forming.
Vacuum breakers are typically located near the top of a plumbing system where they are easily accessible for maintenance and repair. They are often installed on outdoor faucets, irrigation systems, and other plumbing fixtures that are prone to vacuum build-up.
The vacuum breaker consists of a small valve that is kept closed by a spring. When vacuum is created in the plumbing system, the pressure inside the system drops, allowing the valve to open and air to enter the system. This prevents a vacuum from forming and allows the water in the system to flow freely.
Vacuum breakers are important to prevent damage to plumbing systems and to ensure proper water flow. They are also important to prevent contamination of water supplies, as vacuum can cause contaminants to be drawn into the system.
What Is Vacuum Breaker Used For?
Vacuum breaker is a device used to prevent vacuum formation in the plumbing system. It is generally installed on the outlet side of a faucet or valve and allows air to enter the system if a vacuum is detected. This helps prevent negative pressure from building up in the system, which can cause a number of problems, such as reduced water flow or loss of water from the system.
Where Are Vacuum Breakers Used?
Vacuum breakers are used in a variety of applications to prevent vacuum build-up in a system. Some common places where vacuum breakers are used include:
- Plumbing systems: Vacuum breakers are often used to prevent negative pressure in pipes in plumbing systems. This can happen when the water supply is turned off or there is a blockage in the pipes.
- HVAC systems: Vacuum breakers are used to prevent negative pressure build-up in ducts in heating, ventilation and air conditioning (HVAC) systems. This can cause problems with the performance of the system and lead to dangerous situations such as backflow of polluted air.
- Industrial processes: Vacuum breakers are used in a variety of industrial processes to prevent the formation of a vacuum that could disrupt the process or damage equipment.
- Fuel systems: Fuel systems use vacuum breakers to prevent the build-up of negative pressure that could cause fuel to be drawn back into the tank and potentially cause a fire or explosion.