AD402-04 Automatic Drain is usually used to automatically drain water at low points of air system including pipes, air drver, oil and water separator, air tank and various air filters,suitable to be mounted at places not convenient for manual water discharge, ie. high and low points or places with small space, especially where air flow is high and water discharge is frequent, to prevent compressed air from re-contamination in case operator for-get to discharge the water.

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