The coil group composed of heat exchange tube and fin adopts integral hot dipping zinc, which has high heat transfer efficiency, small thermal resistance, good corrosion resistance and rapid defrosting.

Full- automatic argon-arc welding method is adopted for elbow welding which has elegant shape of weld joint and high welding strength, thus ensuring the quality of welding.

Coil pipe uses floating coil technology. The perforated pipe is suspended in the middle of the retaining plate to avoid the leakage caused by friction between the perforated pipe and the retaining plate during operation and transportation.

 

 

 

 

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