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ASME B16.21

Nonmetallic Flat Gaskets for Pipe Flanges

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Organization: ASME
Publication Date: 31 May 2005
Status: inactive
Page Count: 22
scope:

General

This Standard covers types, sizes, materials, dimensions, tolerances, and markings for nonmetallic flat gaskets. These gaskets are dimensionally suitable for use with flanges described in the referenced flange standards.

Relevant Units

This Standard states values both in metric and U.S. customary units. As an exception, diameter of bolts and flange bolt holes are expressed in inch units only. These systems of units are to be regarded separately as standard. Within the text, the U.S. customary units are shown in parentheses or in separate tables. The values stated in each system are not exact equivalents; therefore, it is required that each system of units be used independently of the other. Except for diameter of bolts and flange bolt holes, combining values from the two systems constitutes nonconformance with the Standard.

Quality Systems

Requirements relating to the product manufacturers' quality system programs are described in Nonmandatory Appendix A.

References

Standards and specifications adopted by reference in this Standard are shown in Mandatory Appendix II.

Document History

December 9, 2016
Nonmetallic Flat Gaskets for Pipe Flanges
This Standard covers types, sizes, materials, dimensions, tolerances, and markings for nonmetallic flat gaskets. These gaskets are dimensionally suitable for use with flanges described in the...
February 23, 2011
Nonmetallic Flat Gaskets for Pipe Flanges
This Standard covers types, sizes, materials, dimensions, tolerances, and markings for nonmetallic flat gaskets. These gaskets are dimensionally suitable for use with flanges described in the...
ASME B16.21
May 31, 2005
Nonmetallic Flat Gaskets for Pipe Flanges
General This Standard covers types, sizes, materials, dimensions, tolerances, and markings for nonmetallic flat gaskets. These gaskets are dimensionally suitable for use with flanges described in...
January 1, 1992
Nonmetallic Flat Gaskets for Pipe Flanges
This Standard for nonmetallic flat gaskets for bolted flanged joints in piping includes: (a) types and sizes; (b) materials; (c) dimensions and allowable tolerances.
August 1, 1978
NONMETALLIC FLAT GASKETS FOR PIPE FLANGES
A description is not available for this item.

References

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