Section 23.32. Centrifugal extractors or whizzers

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(a) Each belt-driven centrifugal extractor or whizzer shall be equipped with a metal cover with an interlocking device which shall prevent both the cover from opening while the basket is in motion and the power operation of the basket while the cover is open. The device may not prevent the movement of the basket by hand to insure an even loading.
(b) The rating of the manufacturer shall be stamped in letters not less than 1/4 inch high on the inside of the basket in a place that is easily visible. The maximum permissible speed shall be given in revolutions per minute.

                    
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