3 Inch Cast Iron Air Valve

3 Inch Cast Iron Air Valve is a pipeline accessory designed to release trapped air or admit air into water distribution and sewage systems, ensuring smooth and efficient flow. Built with a strong cast iron body, it prevents air locking, water hammer, and pipeline damage in water supply, irrigation, and industrial networks. Heavy-duty cast iron body for long service life. Removes trapped air pockets to maintain flow efficiency. Epoxy/bitumen-coated for protection in harsh environments.