SP-72-2010ěall Valves with Flanged or Butt-Welding Ends for General Service SP-71-2005 Gray Iron Swing Check Valves, Flanged and Threaded Ends SP-70-2006 Gray Iron Gate Valves Flanged and Threaded Ends SP-69-2003 Pipe Hangers and Supports - Selection and Application (ANSI-approved American National Standard) SP-68-1997 (R 2004) High Pressure Butterfly Valves with Offset Design SP-65-2008 High Pressure Chemical Industry Flanges and Threaded Stubs for Use with Lens Gaskets SP-60-2004Ĝonnecting Flange Joint Between Tapping Sleeves and Tapping Valves SP-58-2009 Pipe Hangers and Supports - Materials, Design, Manufacture, Selection, Application, and Installation SP-55-2006 Quality Standard for Steel Castings for Valves, Flanges, Fittings, and Other Piping Components - Visual Method for Evaluation of Surface Irregularities SP-54-1999 (R 2007) Quality Standard for Steel Castings and Forgings for Valves, Flanges, and Fittings and Other Piping Components - Radiographic Examination Method SP-53-1999 (R 2007) Quality Standard for Steel Castings and Forgings for Valves, Flanges and Fittings and Other Piping Components - Magnetic Particle Examination Method SP-51-2007Ĝlass 150LW Corrosion Resistant Cast Flanges and Flanged Fittings SP-45-2003 (R 2008)ěypass and Drain Connections SP-43-2008 Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications (Note: a 2010 Errata Sheet has been issued and inserted into this standard) SP-42-2009Ĝorrosion Resistant Gate, Globe, Angle and Check Valves with Flanged and Butt Weld Ends (Classes 150, 300 & 600) SP-25-2008 Standard Marking System for Valves, Fittings, Flanges, and Unions SP-9-2008 Spot Facing for Bronze, Iron and Steel Flanges SP-6-2007 Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings