MSS SP-137-2007
MSS SP-137-2007
Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components Edition: 1stManufacturers Standardization Society / 01-May-2007 / 12 pages
This Standard Practice provides methods and acceptance standards for Positive Material Identification (PMI) of metal flanges, fittings, valves, and pressure boundary parts of valves and other piping components.