View all text of Subpart 61.30 [§ 61.30-1 - § 61.30-20]

§ 61.30-1 - Scope.

The term thermal fluid heater as used in this part includes any fired automatic auxiliary heating unit which uses a natural or synthetic fluid in the liquid phase as the heat exchange medium and whose operating temperature and pressure do not exceed 204 °C (400 °F) and 225 psig, respectively. Thermal fluid heaters having operating temperatures and pressures higher than 204 °C (400 °F) and 225 psig, respectively, are inspected under subpart 61.05.

[CGFR 68-82, 33 FR 18890, Dec. 18, 1968, as amended by USCG-2020-0634, 89 FR 50189, June 12, 2024]