Code of Federal Regulations > Title 46 > Chapter I > Part 53 > Subpart 53.05 - Subpart 53.05

Regulations last checked for updates: May 05, 2025

Title 46 - Shipping last revised: Mar 17, 2025

§ 53.05-1 - Safety valve requirements for steam boilers (modifies HG-400 and HG-401).

§ 53.05-2 - Relief valve requirements for hot water boilers (modifies HG-400.2).

§ 53.05-3 - Materials (modifies HG-401.2).

§ 53.05-5 - Discharge capacities and valve markings.

authority: 46 U.S.C. 3306,3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3

source: CGFR 68-82, 33 FR 18826, Dec. 18, 1968, as amended by USCG-2020-0634, 89 FR 50102, June 12, 2024, unless otherwise noted.