Stainless steel perforated ducting is available to satisfy health and safety requirements in the food and chemical industries.
A fine aperture is sometimes required in combination with high load bearing properties. A solution may be obtained by placing a thinner, finely perforated sheet on top of the thick plate, which has larger holes. Connection of the two is obtained either by tack welding, or, if the thinner sheet must be removed for cleaning purposes, countersunk screws are applied.
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