46 CFR 151.40-11
§ 151.40-11 Refrigeration systems.
United States · 46 CFR — Shipping · Status: effective
Cite this
- Citation
- 46 CFR 151.40-11, § 151.40-11 Refrigeration systems, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/228560
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Full text
(a) Boiloff systems. The venting of cargo boiloff to atmosphere shall not be used as a primary means of temperature or pressure control unless specifically authorized by the Commandant.
(b) Vapor compression, tank refrigeration, and secondary refrigeration systems: The required cooling capacity of refrigeration systems shall be sufficient to maintain the cargo at design operating conditions with ambient temperature of 115 °F still air and 90 °F still water. The number and arrangement of compressors shall be such that the required cooling capacity of the system is maintained with one compressor inoperative. Portions of the system other than the compressors need not have standby capacity.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.