Inner Grooved Coil

the even and compact structure , the highly precise dimension , the normative and integrity groove shape , the low interior surface residuum etc., the inside surface area increases 65�100% than that of the same specification of plain copper tube, the heat transfer coefficient is about 1.8�2.0 times of that of same specification of plain tube, inner grooved copper tube is widely applied to the Air Conditioner, the Assembly Type Air Conditioning Unit, the Residential Central Air Conditioning, Show Case Refrigerator which is in conformance with the developing tendency of the Air Conditioner and Refrigerator to the high efficiency, the energy saving.