46 CFR 64.47 - Type of relief devices.

Regulations last checked for updates: Oct 17, 2024

Title 46 - Shipping last revised: Oct 15, 2024

View all text of Subpart B [§ 64.11 - § 64.55]

§ 64.47 - Type of relief devices.

(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.

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 64.47