Malleable Iron Pipe Fitting – ANSI Hot Dipped Galvanized-Socket,ANSI Black-Socket Details: Type: Equal Sockets/Reducing Sockets. Size: 1/4”to 6” Finish: Hot Dipped Galvanized, Black, Electro Galvanized, Usage: Fire Protection (Fire Fighting), plumbing, Oil,Gas,infrastructure construction, and decoration, etc. American Standard: Material: ASTM A-197 Dimension: ASME B16.3 16.14 ... https://archpipes.com/Product/ansi-standard-sockets-series/