Here is the latest edition of a compact reference that has been a real treasure for materials personnel for more than 15 years. Packed with pictures, definitions, and descriptions of ANSI and API piping materials, such as flanges, fittings, bolts, gaskets, and required wrench sizes, it serves as an excellent guide for "rookies" and a ready reference for "old-timers" alike. This compact reference is packed with pictures, definitions, and descriptions of ANSI and API piping materials, such as flanges, fittings, bolts, gaskets, and required wrench sizes. It contains basic information and data to answer common questions that arise in materials handling, pipe fitting, and engineering.