About the Manufacturers Standardization Society
MSS STANDARDS
Bellow you will find a list with the most recent MSS Standards.
| PUBLICATION NUMBER | STANDARD TITLE |
| SP-6-2007 | Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings |
| SP-9-2008 | Spot Facing for Bronze, Iron and Steel Flanges |
| SP-25-2008 | Standard Marking Systems for Valves, Fittings, Flanges and Unions |
| SP-42-2004 | Class 150 Corrosion Resistant Gate, Globe, Angle and Check Valves with Flanged and Butt Weld Ends |
| SP-43-2008 | Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications |
| SP-44-2006 | Steel Pipeline Flanges |
| SP-45-2003 (R 2008) |
Bypass and Drain Connections |
| SP-51-2007 | Class 150LW Corrosion Resistant Cast Flanges and Flanged Fittings |
| SP-53-1999 (R 2007) |
Quality Standard for Steel Castings and Forgings for Valves, Flanges and Fittings and Other Piping Components - Magnetic Particle Exam Method |
| SP-54-1999 (R 2007) |
Quality Standard for Steel Castings for Valves, Flanges, and Fittings and Other Piping Components - Radiographic Examination Method |
| SP-55-2006 | Quality Standard for Steel Castings for Valves, Flanges, Fittings, and Other Piping Components - Visual Method for Evaluation of Surface Irregularities |
| SP-58-2002 | Pipe Hangers and Supports - Materials, Design, and Manufacture |
| SP-60-2004 | Connecting Flange Joint Between Tapping Sleeves and Tapping Valves |
| SP-61-2003 | Pressure Testing of Steel Valves |
| SP-65-2008 | High Pressure Chemical Industry Flanges and Threaded Stubs for Use with Lens Gaskets |
| SP-67-2002a | Butterfly Valves |
| SP-68-1997 (R 2004) |
High Pressure Butterfly Valves with Offset Design |
| SP-69-2003 | ANSI/MSS Edition Pipe Hangers and Supports - Selection and Application |
| SP-70-2006 | Gray Iron Gate Valves, Flanged and Threaded Ends |
| SP-71-2005 | Gray Iron Swing Check Valves, Flanged and Threaded Ends |
| SP-72-1999 | Ball Valves with Flanged or Butt-Welding Ends for General Service |
| SP-75-2004 | Specification for High Test Wrought Butt Welding Fittings |
| SP-77-1995 (R 2000) |
Guidelines for Pipe Support Contractual Relationships |
| SP-78-2005a | Cast Iron Plug Valves, Flanged and Threaded Ends |
| SP-79-2004 | Socket-Welding Reducer Inserts |
| SP-80-2008 | Bronze Gate, Globe, Angle and Check Valves |
| SP-81-2006a | Stainless Steel, Bonnetless, Flanged Knife Gate Valves |
| SP-83-2006 | Class 3000 Steel Pipe Unions, Socket Welding and Threaded |
| SP-85-2002 | Cast Iron Globe & Angle Valves, Flanged and Threaded Ends |
| SP-86-2002 | Guidelines for Metric Data in Standards for Valves, Flanges, Fittings and Actuators |
| SP-88-1993 (R 2001) |
Diaphragm Valves |
| SP-89-2003 | Pipe Hangers and Supports -Fabrication and Installation Practices |
| SP-90-2000 | Guidelines on Terminology for Pipe Hangers and Supports |
| SP-91-1992 (R 1996) |
Guidelines for Manual Operation of Valves |
| SP-92-1999 | MSS Valve User Guide |
| SP-93-1999 (R 2004) |
Quality Standard for Steel Castings and Forgings for Valves, Flanges, and Fittings and Other Piping Components - Liquid Penetrant Exam Method |
| SP-94-1999 (R 2004) |
Quality Standard for Ferritic and Martensitic Steel Castings for Valves, Flanges, and Fittings and Other Piping Components - Ultrasonic Exam Method |
| SP-95-2006 | Swage(d) Nipples and Bull Plugs |
| SP-96-2001 (R 2005) |
Guidelines on Terminology for Valves and Fittings |
| SP-97-2006 | Integrally Reinforced Forged Branch Outlet Fittings - Socket Welding, Threaded and Buttwelding Ends |
| SP-98-2001 (R 2005) |
Protective Coatings for the Interior of Valves, Hydrants, and Fittings |
| SP-99-1994 (R 2005) |
Instrument Valves |
| SP-100-2002 | Qualification Requirements for Elastomer Diaphragms for Nuclear Service Diaphragm Type Valves |
| SP-101-1989 (R 2001) |
Part-Turn Valve Actuator Attachment - Flange and Driving Component Dimensions and Performance Characteristics |
| SP-102-1989 (R 2001) |
Multi-Turn Valve Actuator Attachment - Flange and Driving Component Dimensions and Performance Characteristics |
| SP-104-2003 | Wrought Copper Solder Joint Pressure Fittings |
| SP-105-1996 (R 2005) |
Instrument Valves for Code Applications |
| SP-106-2003 | Cast Copper Alloy Flanges and Flanged Fittings, Class 125, 150 and 300 |
| SP-108-2002 | Resilient-Seated Cast Iron-Eccentric Plug Valves |
| SP-109-1997 (R 2006) |
Welded Fabricated Copper Solder Joint Pressure Fittings |
| SP-110-1996 | Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends |
| SP-111-2001 (R 2005) |
Gray-Iron and Ductile-Iron Tapping Sleeves |
| SP-112-1999 (R 2004) |
Quality Standard for Evaluation of Cast Surface Finishes -Visual and Tactile Method. This SP must be sold with a 10-surface, three dimensional Cast Surface Comparator, which is a necessary part of the Standard. |
| SP-113-2001 (R 2007) |
Connecting Joint between Tapping Machines and Tapping Valves |
| SP-114-2007 | Corrosion Resistant Pipe Fittings Threaded and Socket Welding, Class 150 and 1000 |
| SP-115-2006 | Excess Flow Valves, 1¼ NPS and Smaller, for Natural Gas Service |
| SP-116-2003 | Service Line Valves and Fittings for Drinking Water Systems |
| SP-117-2006 | Bellows Seals for Globe and Gate Valves |
| SP-118-2007 | Compact Steel Globe & Check Valves - Flanged, Flangeless, Threaded & Welding Ends (Chemical & Petroleum Refinery Service) |
| SP-119-2003 | Factory-Made Wrought Belled End Socket-Welding Fittings |
| SP-120-2006 | Flexible Graphite Packing System for Rising Stem Steel Valves (Design Requirements) |
| SP-121-2006 | Qualification Testing Methods for Stem Packing for Rising Stem Steel Valves |
| SP-122-2005 | Plastic Industrial Ball Valves |
| SP-123-1998 (R 2006) |
Non-Ferrous Threaded and Solder-Joint Unions for Use With Copper Water Tube |
| SP-124-2001 | Fabricated Tapping Sleeves |
| SP-125-2000 | Gray Iron and Ductile Iron In-Line, Spring-Loaded, Center-Guided Check Valves |
| SP-126-2007 | Steel In-Line Spring-Assisted Center Guided Check Valves |
| SP-127-2001 | Bracing for Piping Systems Seismic-Wind-Dynamic Design, Selection, Application |
| SP-128-2006 | Ductile Iron Gate Valves |
| SP-129-2003 (R 2007) |
Copper-Nickel Socket-Welding Fittings and Unions |
| SP-130-2003 | Bellows Seals for Instrument Valves |
| SP-131-2004 | Metallic Manually Operated Gas Distribution Valves |
| SP-132-2004 | Compression Packing Systems for Instrument Valves |
| SP-133-2005 | Excess Flow Valves for Low Pressure Fuel Gas Appliances |
| SP-134-2006a | Valves for Cryogenic Service Including Requirements for Body/Bonnet Extensions |
| SP-135-2006 | High Pressure Steel Knife Gate Valves |
| SP-136-2007 | Ductile Iron Swing Check Valves |
| SP-137-2007 | Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components |
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