Abstract

What is BS 6620-1 - Industrial plate screens about?

BS 6620-1 is an international standard that discusses the guidelines for good quality industrial plate screens . BS 6620-1 describes three patterns using round (circular) and square perforations in low carbon steel plates of 3 mm thickness and above; the sizes of holes range from 125 to 3.15 mm inclusive. BS 6620-1 prescribes five ratios of the pitch to the hole, which results in nominal areas ranging from about 64 to 23 %. It also gives the tolerances for both hole and pitch. Note: Measurements of the size of holes and pitch in perforated are made at the punch side of...

BS 6620-1:1991 PDF

Abstract

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Abstract

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