Most of domestic Automatic Pipe Galvanizing Lines in Korea were exclusively supplied under technical and sales agreement with Japan maker.
General features of the line
- Automated process with easy and safe line operation
- Suitable to produce high-grade products having uniform plating layer
- Optimum to mass production
Line Process
- Oil Degreasing
- Removes grease or oil from inside and outside of pipes
- Washing
- Washes oil degreasing solution with warm water
- Acid Pickling
- Removes rust from inside and outside of pipe surface
- Washing
- Washes acid with warm water
- Fluxing
- After washing, coats of pipes with anticorrosive and catalystic solution
- Drying
- Dipping & Galvanizing
- Dips pipes one by one into zinc kettle and galvanizing inside and outside of pipes with melted zinc
- Withdrawing
- Pulls out pipes from the zinc kettle one by one or multiple at once
- Blowing
- Blows inside and outside of pipes with saturated steam for uniformed thickness of galvanized zinc
- Air Cooling
- Cools down pipe temperature heated by hot zinc with ambient air
- Water Cooling
- Cools down the pipe temperature with water to ambient temperature
- Drying & Stacking
- Dries pipes with ambient air and stacking into pipe pocket