46 CFR 154.806
§ 154.806 Capacity of pressure relief valves.
United States · 46 CFR — Shipping · Status: effective
Cite this
- Citation
- 46 CFR 154.806, § 154.806 Capacity of pressure relief valves, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/228965
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Full text
Pressure relief valves for each cargo tank must have a combined relief capacity, including the effects of back pressure from vent piping, headers, and masts, to discharge the greater of the following with not more than a 20% rise in cargo tank pressure above the set pressure of the relief valves:
(a) The maximum capacity of an installed cargo tank inerting system if the maximum attainable working pressure of the cargo tank inerting system exceeds the set pressure of the relief valves.
(b) The quantity of vapors generated from fire exposure that is calculated under § 54.15-25 of this chapter.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.