Pipe Flange Datasheets

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Pipe flange datasheets provide technical information and specifications for a specific type of flange used in piping systems.  Pipe flange datasheets are used by engineers and designers to select the appropriate flange for a specific application based on the required pressure rating, size, and material compatibility.


Pipe Flange standards

ASME Standards

  • ASME B16.1 - Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250
  • ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
  • ASME B16.24 - Cast Copper Alloy Pipe Flanges and Flanged Fittings: Classes 150, 300, 600, 900, 1500, and 2500
  • ASME B16.36 - Orifice Flanges
  • ASME B16.42 - Ductile Iron Pipe Flanges and Flanged Fittings: Classes 150 and 300
  • ASME B16.47 - Large Diameter Steel Flanges, NPS 26 Through NPS 60

ASTM Standards

  • ASTM A105 / A105M - Specification for Carbon Steel Forgings for Piping Applications

AWWA Standards

  • AWWA C115 - Standard for Flanged Ductile Iron Pipe with Ductile-Iron or Gray-Iron Threaded Flanges

ISO Standards

  • ISO 5251 - Stainless steel butt-welding fittings

MSS Standards

  • MSS SP-9 - Spot Facing for Bronze, Iron and Steel Flanges
  • MSS SP-25 - Standard Marking Systems for Valves, Fittings, Flanges, and Unions
  • MSS SP-44 - Steel Pipeline Flanges
  • MSS SP-106 - Cast Copper Alloy Flanges and Flanged Fittings Class 125,150, and 300
  • ASME B16.5 and ASME B16.47 cover pipe flanges up to NPS 60 (B16.5 from 1/2" to 24" and B16.47 from 26" to 60"). ANSI B16.47 covers two series of flanges, Series A is equal to MSS SP-44-44, and Series B is equal to API 605 (API 605 has been canclled).

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Tags: Datasheets