... , Pancake Coils, ACR Straight Tubes, Capillary Tubes, Copper Water Tubes, Copper Fittings, insulated Copper tubes. Weight: 100- ... and outer surface. It has a homogeneous and compact structure and features of high dimensional precision, high ... , combination type air conditioning units, refrigeratiors, freezers, solar water heaters, water heaters, andiron fireplace grates, etc.3)Standards applied: ...