C2-04 Original Danfoss Filter Drier DML305 023Z0051 Trumpet Port for Bus AC

The C2-04 Danfoss DML305 filter drier (original part number 023Z0051) with trumpet port is a high-capacity safety component exclusively designed for full-size 10–12m bus air conditioning refrigeration systems. Mounted on the liquid pipeline between condenser and expansion valve, it undertakes dual core functions of moisture absorption and solid impurity filtration, which is the key guarantee to extend the service life of large displacement compressors and prevent expansion valve blockage.

During long-term high-load operation of large bus AC, tiny metal shavings, pipeline dust and water vapor will mix into refrigerant. If not filtered, these contaminants will cause internal compressor abrasion, acid corrosion and valve clogging, leading to insufficient cooling or system breakdown. This Danfoss DML305 large-volume drier is filled with high-capacity molecular sieve desiccant and multi-layer dense metal filter screen to fully purify refrigerant before throttling.