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The General Air Products AMD-1 Automatic Air Maintenance Device is a UL Listed and FM Approved assembly designed to automatically control air pressure in dry pipe, preaction, or deluge sprinkler systems. It feeds air into system piping at the required volume and pressure from an air source. Model AMD-1 is used with factory air supplies or tank-mounted air compressors.
The air maintenance device controls the amount of air fed into the dry pipe system, ensuring water can move through the piping system while maintaining pressure.
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