Ductile Cast Iron Air Release Valve, also known as Air Valve, Air Relief or Air Exhaust Valve is made of Ductile Cast Iron and is a safety valve that is used to control or limit the pressure in the system. The pressure is relieved by allowing the pressurized fluid to follow from an auxiliary passage out of the system.
Ductile Cast Iron Air Release Valves are widely used in Water, Seawater, Drainage, Wastewater, Oil piping system.