Regulations last checked for updates: Feb 06, 2026

Title 46 - Shipping last revised: Jan 15, 2026
All TitlesTitle 46Chapter IPart 154Subpart C - Subpart C—Design, Construction and Equipment
View all text of Subpart C [§ 154.170 - § 154.1440]
§ 154.432 - Expansion and contraction.

The support system of a membrane tank must allow for thermal and physical expansion and contraction of the tank.

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 154.432
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