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Gasket Standards

ASME Standards

  • Nonmetallic gasket dimensions and tolerances in accordance with ASME B16.21 for ASME B16.5 and ASME B16.47 flanges.
  • Standard thicknesses are 1/16" and 1/8", but others are available.
  • Spiral wound gaskets for ASME B16.5 1/4" to 24" dimensions and tolerances in accordance with ASME B16.20.
  • Spiral wound gaskets for ASME B16.47 22" to 60" Series A (MSS SP-44) dimensions and tolerances in accordance with ASME B16.20.
  • Spiral wound gaskets for ASME B16.47 26" to 60" Series B (API Std 605) dimensions and tolerances in accordance with ASME B16.20.
  • ASME B16.20 - Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, and Jacketed
  • ASME B16.21 - Nonmetallic Flat Gaskets for Pipe Flanges
  • ASME B16.47 - Large Diameter Steel Flanges: NPS 26 Through NPS 60 Metric/Inch Standard
  • ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through 24

ISO Standards

  • ISO 4709 - Composition cork -- Gasket material -- Classification system, requirements, sampling, packaging and marking
  • ISO 7483 - Dimensions of gaskets for use with flanges to ISO 700

 

Flange Gasket Sizes - 1/2" through 24"

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Full face gasket  
  • Ring Type Gasket
 

 

Flange Gasket Sizes - 26" through 60"

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Piping Designer Logo 1

Display #
Title
Gasket - FF, ANSI Cl 125/150, ASME B16.21 (in)
Gasket - FF, ANSI Cl 250/300, ASME B16.21 (in)
Gasket - Ring Joint, ANSI Class 150-2500, Ring Dimension (in)
Gasket - Ring Joint, ANSI Class 150-2500, Ring Number (in)
Gasket - Ring, ANSI Class 125/150 (in)
Gasket - Ring, ANSI Class 250/300 (in)
Gasket - Spiral Wound, for ANSI Class 150, B16.47, Series A (in)
Gasket - Spiral Wound, for ANSI Class 150, B16.47, Series B (in)
Gasket - Spiral Wound, for ANSI Class 150, B16.5 (in)
Gasket - Spiral Wound, for ANSI Class 1500, B16.5 (in)
Gasket - Spiral Wound, for ANSI Class 2500, B16.5 (in)
Gasket - Spiral Wound, for ANSI Class 300, B16.47, Series A (in)
Gasket - Spiral Wound, for ANSI Class 300, B16.47, Series B (in)
Gasket - Spiral Wound, for ANSI Class 300, B16.5 (in)
Gasket - Spiral Wound, for ANSI Class 400, B16.47, Series A (in)
Gasket - Spiral Wound, for ANSI Class 400, B16.47, Series B (in)
Gasket - Spiral Wound, for ANSI Class 400, B16.5 (in)
Gasket - Spiral Wound, for ANSI Class 600, B16.47, Series A (in)
Gasket - Spiral Wound, for ANSI Class 600, B16.47, Series B (in)
Gasket - Spiral Wound, for ANSI Class 600, B16.5 (in)
Gasket - Spiral Wound, for ANSI Class 75, B16.47, Series B (in)
Gasket - Spiral Wound, for ANSI Class 900, B16.47, Series A (in)
Gasket - Spiral Wound, for ANSI Class 900, B16.47, Series B (in)
Gasket - Spiral Wound, for ANSI Class 900, B16.5 (in)

Tags: Gasket Datasheets Datasheets