Working principle
Air and other non-condensable gases can cause many problems in steam systems. Not only will the warm-up time be prolonged, but the temperature of a steam-air mixture will be lower than that of pure steam at the same pressure. Air will form a gas film that reduces heat transfer efficiency, leading to increased fuel consumption, and these gases are also the main cause of pipeline corrosion. Using a steam system air vent valve can remove air and other non-condensable gases from the steam system without leaking steam.
