API 607
Fire Test for Quarter-turn Valves and Valves Equipped with Nonmetallic Seats
Published by American Petroleum Institute (API)
The CFR incorporates API 607 by reference, which makes the edition it names part of the regulation. The CFR requires the edition it names, which may not be the newest. To enforce any other edition, the agency must publish the change in the Federal Register.
The edition the CFR requires
API Std 607, Seventh Edition, June 2016
As the CFR lists it: “API Standard 607, Fire Test for Quarter-turn Valves and Valves Equipped with Nonmetallic Seats, Seventh Edition, June 2016 (“API 607”)”
- Listed in 46 CFR 56.01-2(a)(1); required by46 CFR 56.20-15 ↗
How to read it
- Read it freeAPI IBR Reading Room ↗
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A free or purchased copy may not be the edition the CFR names; check it against the edition above. Every incorporated standard can also be inspected at the National Archives (NARA) and at the agency named in the section that lists it.
API 607 is copyrighted by its publisher; RegKnot shows its title and the editions the CFR names, not its text. Read from the eCFR's incorporation-by-reference sections, current as of October 26, 2026. The regulation text governs. All standards the CFR requires.