Alloy flange manufacturer: generally supporting in water supply and drainage accessories (common on the expansion joint), the factory has a piece of flange at both ends of the expansion joint, directly connected with the pipeline and equipment in the project with bolts. That is, the kind of flange with looper is generally used in the pipeline, so that the loosening bolt can rotate the pipeline on both sides, and then tighten it can be more convenient to disassemble the pipeline.

1. Clean with emery cloth and steel wire brush.

2. with tungsten steel shovel to shovel large area rust.

Alloy flange manufacturers: 3, with a file to remove welding slag and other protrusions and burrs.

4. Use a scraper and wire brush to remove the rust at the edges and corners.

5.  with a clean cloth, cloth can also be stained with solvent for cleaning and timely painting primer.

6. Note that the toughness coating film that has not yet failed can be retained and used emery cloth to wool the surface of the old paint. Polish the defect of the coating film into an axe shape and apply the paint directly after cleaning.