C.F.R. » Title 46 » CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY › SUBCHAPTER F—MARINE ENGINEERING › PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS › Subpart B—Standards for an MPT

46 C.F.R. § 64.47

Type of relief devices

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(a) An MPT with an internal capacity of more than 550 U.S. gallons must have one or more spring loaded relief valves. In addition, a rupture disc may be attached.

(b) An MPT with an internal capacity of 550 U.S. gallons or less must have a rupture disc or a spring loaded relief valve.