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ANSI/MSS SP-138-2023
Quality Standard Practice for Oxygen Cleaning of Valves and Fittings
The purpose of this Standard Practice is to provide standard methods for processing valves and fittings intended to be used for Oxygen Service. The proper combination of methods depends upon the part, its method of manufacture, and the types of contamination present.
Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]