MSS SP-79-2009 Socket Welding Reducer Inserts

Manufacturers Standardization Society (MSS). 2009. 14 p. This Standard Practice covers ratings, dimensions, tolerances, finish, marking and material requirements for socket welding reducer inserts for use with ASME B16.11, Class 3000 and 6000 socket welding fittings. Dimensions for these reducer inserts are shown in Table 3.