Brass Air Release Valve Air Vent Valve 3 8" Gas Valve Manufacturer

How does a air vent valve work?

An air vent valve, also known as an air release valve, works automatically to remove trapped air or gas from liquid piping systems. Here's how it typically operates:

1. Accumulation of air/gas: As the liquid flows through the system, air or gas may get trapped in areas of the piping where pockets or high points exist.

2. Automatic detection: The air vent valve is designed to detect the presence of air or gas. When the air or gas accumulates and reaches the valve, it triggers the valve to open.

3. Air release: Upon opening, the air vent valve allows the accumulated air or gas to escape, which restores the system's pressure balance and enables the smooth flow of the liquid.

4. Closure: Once the air or gas is released, the valve automatically closes to prevent any liquid from escaping or further air from entering the system.

Air vent valves come in various designs, including automatic or manual types. Automatic valves rely on buoyancy or pressure differences to open and close, while manual valves require human intervention to operate. Proper installation and maintenance of air vent valves are crucial to ensure the efficient functioning of liquid piping systems, preventing issues such as air locks and reduced flow capacity.