IEC 60245-4 Amd.1 Ed. 2.0 b:1997...
MSS SP-42-2013 Corrosion Resistant Gate, Globe, Angle and Check Valves with Flanged and Butt Weld Ends (Classes 150, 300 & 600) standard by Manufacturers Standardization Society, 2013
MSS SP-61-2013 Pressure Testing of Valves standard by Manufacturers Standardization Society, 2013
MSS SP-137-2013 Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components standard by Manufacturers Standardization Society, 03/30/2013
MSS SP-9-2013 Spot Facing for Bronze, Iron and Steel Flanges standard by Manufacturers Standardization Society, 03/30/2013
MSS SP-80-2013 Bronze Gate, Globe, Angle and Check Valves standard by Manufacturers Standardization Society, 03/30/2013
MSS SP-54-2013 Quality Standard for Steel Castings for Valves, Flanges and Fittings and Other Piping Components - Radiographic Examination Method standard by Manufacturers Standardization Society, 03/30/2013
MSS SP-43-2013 Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications, Includes Amendment (September 1, 2015) standard by Manufacturers Standardization Society, 03/30/2013
MSS SP-71-2011 Errata Errata Sheet for MSS SP-71-2011, Gray Iron Swing Check Valves, Flanged and Threaded Ends Amendment by Manufacturers Standardization Society, 02/22/2013
MSS SP-144-2013 Pressure Seal Bonnet Valves standard by Manufacturers Standardization Society, 02/01/2013
MSS SP-80-2008 Errata Errata for Bronze Gate, Globe, Angle and Check Valves Amendment by Manufacturers Standardization Society, 12/03/2012
MSS SP-53-2012 Quality Standard for Steel Castings and Forgings for Valves, Flanges and Fittings and Other Piping Components-Magnetic Particle Exam Method standard by Manufacturers Standardization Society, 12/01/2012
MSS SP-79-2011 Errata Errata for Socket Welding Reducer Inserts Amendment by Manufacturers Standardization Society, 08/07/2012