API Std 599:2025

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Metal Plug Valves – Flanged, Threaded, and Welding Ends, Ninth Edition

standard by American Petroleum Institute , 10/01/2025

Category:

API Std 599:2025 PDF

This standard specifies the requirements for quarter-turn metal plug valves, including the lift plug type, for petroleum, petrochemical, and industrial applications.

This standard is applicable to: