Regulations last checked for updates: May 02, 2025

Title 46 - Shipping last revised: Mar 17, 2025
§ 154.426 - Design vapor pressure.

The Po of a membrane tank must not exceed 24.5 kPa gauge (3.55 psig) unless special approval by the Commandant (CG-ENG) allows a Po between 24.5 kPa gauge (3.55 psig) and 69 kPa gauge (10 psig).

[CGD 74-289, 44 FR 26009, May 3, 1979, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]
authority: 46 U.S.C. 3703,9101; Department of Homeland Security Delegation No. 0170.1
source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.
cite as: 46 CFR 154.426