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    B16.20 - Metallic Gaskets for Pipe Flanges

    B16.20 - 2023 (R2024)

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    This standard covers materials, dimensions, tolerances, and markings for metal ring-joint gaskets, spiral-wound metal gaskets, and metal jacketed gaskets and filler material. These gaskets are dimensionally suitable for use with flanges described in the reference flange standards ASME B16.5, ASME B16.47, and API-6A. This standard covers spiral-wound metal gaskets and metal jacketed gaskets for use with raised face and flat face flanges.
    This standard has been placed on stabilized maintenance. Requests and recommendations for change from any materially affected and interested party will be considered. Requests should be submitted to CSAdmin@asme.org and include the Standard designation and the rationale for the request.

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