R 408.18147
R 408.18147 Steam kettles.
Cite as Mich. Admin. Code R 408.18147
Rule 8147. (1) A steam kettle shall have a positive locking device capable of
holding the kettle at any desired position.
(2) A kettle with a steam jacket shall be provided with safety valves as prescribed in
the ASME Pressure Vessel Code, Section VIII, Unfired Pressure Vessels, 1974 edition,
as adopted in R 408.18101a.