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The remaining humidity in compressed air turns into water as the air cools while it moves through the system. Because water causes corrosion and damage, drains must be installed throughout your network.
Condensate enters the drain and collects in sump. The diaphragm valve is closed due to the solenoid valve allowing pressure compensation through the pilot supply line. The pressurised space above the diaphragm is larger than that below it, ensuring and absolutely leak proof seal. As the condensate drains away, the level probe monitors the speed at which the level drops, calculating exactly when to shut the diaphragm, so that no air escapes. If there should be a blockage on the outlet or faulty diaphragm, the drain switched to “fault mode”. Both the flashing alarm light and the volt free contact are activated. The drain switches to a “timer mode” until the situation is solved.