Mich. Admin. Code R. 408.16356 - Safety valves
Rule 6356.
(1)
A safety valve shall be installed between the steam regulating valve and the
vessel on a separate pipe line for each pressure vessel. The safety device
shall conform to paragraph U-2 in the ASME Boiler and Pressure Vessel Code,
Section VIII, "Unfired Pressure Vessels," 1989, with addenda, as referenced in
R
408.16302. Also see Rule
R
408.4025 of the Michigan Boiler Rules, at web-site:
http://www.michigan.gov/budget/0,4538,7-157-76309_35738_5698---,00.html.
(2) A safety valve shall be checked between
each cook to ensure it has not become plugged or corroded to the point of being
inoperative.
(3) A safety valve
shall be inspected not less than annually and repaired if necessary to ensure
its ability to operate, and shall be set at not more than the rated capacity of
the pressure vessel.
(4) The vent
for a safety valve shall discharge into an area that does not create a hazard
for an employee.
Notes
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