46 CFR 154.904
§ 154.904 Inert gas system: Controls.
United States · 46 CFR — Shipping · Status: effective
Cite this
- Citation
- 46 CFR 154.904, § 154.904 Inert gas system: Controls, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/228969
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Full text
The inert gas system must have:
(a) At least one check valve in the cargo area to prevent the back flow of cargo vapor into the inert gas system, or another means specially approved by the Commandant (CG-OES);
(b) If the inert gas system is in the machinery space or another space outside the cargo area, a second check valve in the cargo area meeting paragraph (a) of this section;
(c) Automatic and manual inert gas pressure controls; and
(d) Valves to isolate each inerted space.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.