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46 CFR 153.368

§ 153.368 Pressure-vacuum valves.

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46 CFR 153.368, § 153.368 Pressure-vacuum valves, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/228684
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Full text

(a) The pressure side of a required pressure-vacuum relief valve must begin to open only at a pressure exceeding 3.5 kPa gauge (approx. 0.5 psig). (b) A pressure-vacuum relief valve must meet the requirements of Subpart 162.017 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.