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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 46 - Shipping |
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Chapter I - Coast Guard, Department of Homeland Security |
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SubChapter F - Marine Engineering |
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Part 64 - Marine Portable Tanks and Cargo Handling Systems |
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Subpart C - Pressure Relief Devices and Vacuum Relief Devices for MPTs |
§ 64.61 - Rupture disc.
Latest version.
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§ 64.61 Rupture disc.
If a rupture disc is the only pressure relief device on the tank, the rupture disc must -
(a) Rupture at a pressure of 125 percent of the maximum allowable working pressure; and
(b) Have a minimum normal venting capacity that is sufficient to prevent the tank pressure from exceeding 137.5 percent of the maximum allowable working pressure.