46 CFR 64.65 - Vacuum relief device.

Regulations last checked for updates: Nov 22, 2024

Title 46 - Shipping last revised: Nov 04, 2024

§ 64.65 - Vacuum relief device.

(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.

[CGD 84-043, 55 FR 37410, Sept. 11, 1990]

authority: 46 U.S.C. 3306,3703; 49 U.S.C. App. 1804; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3

source: CGD 73-172, 39 FR 22950, June 25, 1974, unless otherwise noted.

cite as: 46 CFR 64.65