GroundRules
46 CFR 64.65: Vacuum relief device.
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
(a) Each MPT that is designed for an external pressure of less than 7.5 psig must have a vacuum relief device.
(b) A vacuum relief device for an MPT must—
(1) Open at an external pressure of not less than 3 psig; and
(2) Have an opening with a cross-section of 0.44 square inch or more.
Collected 2026-08-27T02:26:22Z. Source file · JSON