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Proper Venting and Drainage Hole Placement and Dimensions for Tubular Fabrications
- Galvanizers need to be able to visually confirm and inspect venting in complicated pipe assemblies, such as handrails.
- It is recommended tubular structures be completely submerged in one dip in the galvanizing kettle to minimize potential internal coating problems, which, because of the size and shape of the item, may be difficult to discover during inspection.
- The diagrams above illustrate recommended designs for tubular fabrications and hollow structures. The vent dimensions are the minimum required.