Metallic Gaskets

ASME B16.20-2017

Metallic Gaskets For Pipe Flanges

This Standard covers materials, dimensions, tolerances, and markings for metal ring-joint gaskets, spiral-wound metal gaskets, metal-jacketed gaskets, and grooved metal gaskets with covering layers.

These gaskets are dimensionally suitable for use with flanges described in reference flange standards ASME B16.5, ASME B16.4, API Specification 6A, and ISO 10423.

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