Subpart 53.01 - General Requirements

§ 53.01-1 - Incorporation by reference.

§ 53.01-3 - Adoption of Section IV of the ASME BPVC.

§ 53.01-5 - Scope (modifies HG-100).

§ 53.01-10 - Service restrictions and exceptions (replaces HG-101).

Subpart 53.05 - Pressure Relieving Devices (Article 4)

§ 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.

Subpart 53.10 - Tests, Inspection, Stamping, and Reporting (Article 5)

§ 53.10-1 - General.

§ 53.10-3 - Inspection and tests (modifies HG-500 through HG-540).

§ 53.10-10 - Certification by stamping.

§ 53.10-15 - Manufacturer's data report forms.

Subpart 53.12 - Instruments, Fittings, and Controls (Article 6)

§ 53.12-1 - General (modifies HG-600 through HG-640).