Air Vent Valve

Air Vent Valve

An air vent valve, also known as an air release valve or air bleeder valve, is a plumbing component used to automatically remove trapped air or gas from a plumbing system. Air can accumulate in pipes, particularly in systems that involve the movement of liquids, and can cause problems such as reduced flow, noise, or even damage to the system. Air vent valves help to maintain proper water flow and system efficiency by allowing air to escape while preventing water from escaping.

Key points to understand about air vent valves:

  1. Function:The primary function of an air vent valve is to automatically release trapped air or gas from a plumbing system. This prevents air pockets from blocking the flow of water and causing issues such as reduced efficiency, noisy pipes, and airlocks.
  2. Design:Air vent valves are designed to open and release air when air accumulates in the system, and to close when water reaches the valve. This ensures that only air is released while preventing water from escaping.
  3. Applications:Air vent valves are commonly used in various plumbing systems, including water supply lines, heating systems, cooling systems, and irrigation systems.
  4. Types:There are different types of air vent valves, including automatic float-type valves, manual air release valves, and combination valves that serve both air venting and pressure regulation functions.
  5. Benefits:Air vent valves help prevent issues such as pipe noises (gurgling or banging), reduced water flow, and water hammer (pressure surges caused by trapped air). They contribute to the efficient and quiet operation of plumbing systems.

Air vent valves play an important role in maintaining the performance and efficiency of plumbing systems.