Hot galvanizing line is used to produce corrosion resistance and smooth layer on the surface of raw pipes after cleaning. The main equipments include: Drying oven, heating furnace, galvanizing machine, drawing machine, drawing upward unit, pulling out roller, moving device, internal blowing with steam and air combination, laying flat device, cooling tank, spraying conveyor, mark conveyer, blue ring machine, electrical device and so on. WanXin company can produce hot galvanizing pipe mill spec is between 1/2 inch to 10 inches.

Technical process:

Raw material (welded pipes) __ derosination __ acid treatment __ water cleaning __ applying impregnant __ drying __ zinc hot-dipping __ external blowing __ internal blowing __ air cooling __water cooling __ passivation __ drying __ marking __ inspection __ packaging __ finished products