Vent-O-Mat Air Valves is the world leader in air valve technology, have been manufacturing air valves since the 1980s. Vent-O-mats approach to air valves and anti-shock technology revolutionised the way people think and use air valves today. Vent-O-Mat produces air valves for Potable water, Sewage, and Irrigation. Vent-O-Mat also has specialised solutions for unique pipeline problems and situations.