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Code of Federal Regulations Title 49. Transportation § 49.179.400–7 Tank heads

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) Tank heads of the inner tank and outer jacket must be flanged and dished, or ellipsoidal.

(b) Flanged and dished heads must have—

(1) A main inside dish radius not greater than the outside diameter of the straight flange;

(2) An inside knuckle radius of not less than 6 percent of the outside diameter of the straight flange;  and

(3) An inside knuckle radius of at least three times the head thickness.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 49. Transportation § 49.179.400–7 Tank heads - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-49-transportation/cfr-sect-49-179-400-7/

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