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ANSI/MSS SP-122-2017

Plastic Industrial Ball Valves

This Standard Practice establishes requirements for plastic industrial ball valves in nominal pipe sizes (NPS) 1/2 through NPS 6, designed for general industrial systems for the distribution of pressurized liquids that are chemically compatible with the piping material. It reflects the industry practice for the design, manufacture, and application of these valves.

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Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]

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