46 CFR 108.463
§ 108.463 Foam rate: Protein.
United States · 46 CFR — Shipping · Status: effective
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- Citation
- 46 CFR 108.463, § 108.463 Foam rate: Protein, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/226820
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Full text
(a) If the outlets of a protein foam extinguishing system are in a space, the foam rate at each outlet must be at least 6.52 liters per minute for each square meter (.16 gallons per minute for each square foot) of area covered by the systems.
(b) If the outlets of a protein foam extinguishing system are in a tank, the foam rate at each outlet must be at least 4.07 liters per minute for each square meter (.1 gallon per minute for each square foot) of liquid surface in the tank.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.