GroundRules
46 CFR 64.61: Rupture disc.
Where this section sits in the code
- Title 46—Shipping
- CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
- SUBCHAPTER F—MARINE ENGINEERING
- PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS
- Subpart C—Pressure Relief Devices and Vacuum Relief Devices for MPTs
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.
Collected 2026-08-27T02:26:22Z. Source file · JSON