The Mizoram Occupational Safety, Health and Working Conditions Rules, 2026
Schedule XXXII
Official text
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(See rule 84) CENTRIFUGAL MACHINES
1. Definition: -“Centrifugal Machines” include centrifugal extractors, separators and driers.
2. Every part of a centrifugal machine shall be
a) Of good design and construction and of adequate strength;
b) Properly maintained; and
c) examined thoroughly by a competent person at regular intervals.
3. Interlocking guard for drum or basket-
a) The cage housing, the rotating drum or basket of every centrifugal machine shall be provided with
a strong lid. The design, construction of the cage as well as the lid should be such that no access is
possible to the drum or basket when the lid is closed.
b) Every centrifugal machine shall be provided with an efficient interlocking device that will effectively
prevent the lid referred to in sub-paragraph (1) from being opened while the drum or basket is in
motion and prevent the drum or basket being set in motion while the lid is in the open position.
4. Braking arrangement:- Every centrifugal machine shall be provided with an effective arrangement
capable of bringing the drum or basket to rest within as short a period of time as reasonably practicable
after the power is cutoff.
5. Operating speed:- No centrifugal machine shall be operated at a speed in excess of the manufacturers
rating which shall be legibly stamped at easily visible places both on the inside of the basket and on the
outside of the machine casing.
6. Exceptions:—Sub-paragraph (2) of paragraph 3, paragraphs 4 and 5 shall not apply in case of top lung
machines or similar machines used in the sugar manufacturing industry.