1. Regulations
  2. title 46
  3. chapter I-i1
  4. part 64
  5. subpart B
  6. § 64.19

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

§ 64.19 - External pressure.

(a) A tank without a vacuum breaker must be designed to withstand an external pressure of 7 1/2 psig or more.

(b) A tank with a vacuum breaker must be designed to withstand an external pressure of 3 psig or more.

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 64.19