MANUFACTURERS STANDARDIZATION SOCIETY MSS is the only organization in the world dedicated exclusively to the technical needs of the valve and fittings industry. Standards and codes are written and revised by 25 technical committees and address topics such as valves, valve actuators, pipe fittings, flanges, and pipe hangers.
Most Popular Titles From MSS: MSS SP-25-2008 Standard Marking System for Valves, Fittings, Flanges and Unions ANSI/MSS SP-58-2009 Pipe Hangers and Supports - Materials, Design, Manufacture, Selection, Application, and Installation ANSI/MSS SP-55-2011 Quality Standard for Steel Castings for Valves, Flanges and Fittings and Other Piping Components - Visual Method for Evaluation of Surface Irregularities MSS SP-97-2012 Integrally Reinforced Forged Branch Outlet Fittings - Socket Welding, Threaded and Buttwelding Ends MSS SP-44-2010 Steel Pipeline Flanges, Includes Errata (May 2011) MSS SP-75-2008 Specification for High-Test Wrought, Butt-Welding Fittings MSS SP-53-2012 Quality Standard for Steel Castings and Forgings for Valves, Flanges and Fittings and Other Piping Components-Magnetic Particle Exam Method MSS SP-6-2012 Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings MSS SP-54-1999 (R2007) Quality Standard for Steel Castings for Valves, Flanges and Fittings and Other Piping Components - Radiographic Examination Method MSS SP-61-2009 Pressure Testing of Valves