MSS SP-106-2012 Cast Copper Alloy Flanges and Flanged Fittings, Class 125, 150, and 300 standard by Manufacturers Standardization Society, 03/01/2012
MSS SP-140-2012 Preparation of Valves and FIttings for Silicone-Free Service standard by Manufacturers Standardization Society, 11/01/2011
MSS SP-67-2011 Butterfly Valves standard by Manufacturers Standardization Society, 11/01/2011
MSS SP-142-2012 Excess Flow Valves for Fuel Gas Service, NPS 1.5 through 12 standard by Manufacturers Standardization Society, 11/01/2011
MSS SP-141-2012 Multi-Turn and Check Valve Modifications standard by Manufacturers Standardization Society, 11/01/2011
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 standard by Manufacturers Standardization Society, 10/01/2011
MSS SP-79-2011 Socket Welding Reducer Inserts (Includes Errata Amended 7/8/2012) standard by Manufacturers Standardization Society, 10/01/2011
MSS SP-78-2011 Cast Iron Plug Valves, Flanged and Threaded Ends standard by Manufacturers Standardization Society, 10/01/2011
MSS SP-71-2011 Gray Iron Swing Check Valves, Flanged and Threaded Ends standard by Manufacturers Standardization Society, 10/01/2011
MSS SP-70-2011 Gray Iron Gate Valves, Flanged and Threaded Ends standard by Manufacturers Standardization Society, 10/01/2011
MSS SP-68-2011 High Pressure Butterfly Valves with Offset Design standard by Manufacturers Standardization Society, 10/01/2011
MSS SP-117-2011 Bellows Seals for Globe and Gate Valves standard by Manufacturers Standardization Society, 10/01/2011