Historical
MSS SP-122-2012
Plastic Industrial Ball Valves
This Standard Practice establishes requirements for plastic industrial ball valves in nominal pipe sizes (NPS) 1/2 through 4, 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.
Content Provider
Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]