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Michigan Administrative Code (Last Updated: November 16, 2016) |
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Department LR. Licensing and Regulatory Affairs |
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Bureau of Construction Codes |
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Chapter Michigan Boiler Rules |
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Part 2. EXISTING INSTALLATIONS STEAM BOILERS |
Section 408.4277. Connections for relief valves.
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The area of the opening shall be at least equal to the aggregate area based on the nominal diameters of all of the relief valves with which it connects. A screwed connection may be used for attaching a relief valve.
History: 1979 AC.