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Design, specification, inspection of galvanised products

Size and shape

To allow fabricated steel articles to be dipped, they must be able to fit into the galvanising bath. When an article is too big for single immersion it may be possible to galvanise it by double-end dipping, depending on the handling facilities and layout of the galvanising plant.

The size and shape of items Large cylindrical objects can often be galvanised by progressive dipping.

Design and fabrication of components for galvanising

Vessels or hollow structures which incorporate enclosed sections must have provision for adequate venting during galvanising. At galvanising temperatures any moisture present in closed sections is rapidly converted to superheated steam, generating explosive forces unless adequately vented to the atmosphere. For the safety of galvanising personnel, equipment and the work being galvanised, it is essential that venting is provided.