46 C.F.R. Subpart 53.12—Instruments, Fittings, and Controls
Title 46 - Shipping
(a) The instruments, fittings and controls for heating boilers shall be as indicated in HG–600 through HG–640 of section IV of the ASME Code except as noted otherwise in this section. (b) For control systems for automatic auxiliary heating equipment, the requirements in part 63 of this subchapter govern and shall be followed.
Title 46: Shipping
PART 53—HEATING BOILERS
Subpart 53.12—Instruments, Fittings, and Controls
§ 53.12-1 General (modifies HG–600 through HG–640).
