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ASME B16.21

Nonmetallic Flat Gaskets for Pipe Flanges

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Organization: ASME
Publication Date: 9 December 2016
Status: active
Page Count: 29
scope:

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.

Document History

B16.21
January 1, 2021
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
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...
ASME B16.21
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...
ASME B16.21
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.
ASME B16.21
August 1, 1978
NONMETALLIC FLAT GASKETS FOR PIPE FLANGES
A description is not available for this item.
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References

This document references:
ASME B16.47 - Large Diameter Steel Flanges NPS 26 Through NPS 60 Metric/Inch Standard
Published by ASME on January 1, 2020
This Standard covers pressure–temperature ratings, materials, dimensions, tolerances, marking, and testing for pipe flanges in sizes NPS 26 through NPS 60. Included are flanges with rating class...
This document references:
ASME B16.5 - Pipe Flanges and Flanged Fittings NPS ½ Through NPS 24 Metric/Inch Standard
Published by ASME on January 1, 2020
(a) This Standard covers pressure–temperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flanges and flanged fittings. Included are (1)...
This document references:
ASME B16.24 - Cast Copper Alloy Pipe Flanges, Flanged Fittings, and Valves Classes 150, 300, 600, 900, 1500, and 2500
Published by ASME on October 31, 2016
Inclusions This Standard covers the following cast copper alloy: (a) threaded pipe flanges and blind flanges having class designations 150, 300, 600, 900, 1500, and 2500 (b) flanged fittings having...
This document references:
ASME B16.1 - Gray Iron Pipe Flanges and Flanged Fittings Classes 25, 125, and 250
Published by ASME on November 9, 2020
This Standard covers Classes 25, 125, and 250 Gray Iron Pipe Flanges and Flanged Fittings. It includes (a) pressure–temperature ratings (b) sizes and method of designating openings of reducing...
This document references:
ASME B16.1 - Gray Iron Pipe Flanges and Flanged Fittings Classes 25, 125, and 250
Published by ASME on November 9, 2020
This Standard covers Classes 25, 125, and 250 Gray Iron Pipe Flanges and Flanged Fittings. It includes (a) pressure–temperature ratings (b) sizes and method of designating openings of reducing...
This document references:
ASME B16.24 - Cast Copper Alloy Pipe Flanges, Flanged Fittings, and Valves Classes 150, 300, 600, 900, 1500, and 2500
Published by ASME on October 31, 2016
Inclusions This Standard covers the following cast copper alloy: (a) threaded pipe flanges and blind flanges having class designations 150, 300, 600, 900, 1500, and 2500 (b) flanged fittings having...
This document references:
ASME B16.47 - Large Diameter Steel Flanges NPS 26 Through NPS 60 Metric/Inch Standard
Published by ASME on January 1, 2020
This Standard covers pressure–temperature ratings, materials, dimensions, tolerances, marking, and testing for pipe flanges in sizes NPS 26 through NPS 60. Included are flanges with rating class...
This document references:
ASME B16.5 - Pipe Flanges and Flanged Fittings NPS ½ Through NPS 24 Metric/Inch Standard
Published by ASME on January 1, 2020
(a) This Standard covers pressure–temperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flanges and flanged fittings. Included are (1)...
This document references:
ISO 9001 - Quality management systems — Requirements
Published by ISO on September 15, 2015
This International Standard specifies requirements for a quality management system when an organization: a) needs to demonstrate its ability to consistently provide products and services that meet...
This document is referenced by:
IAPMO CPC - CALIFORNIA PLUMBING CODE
Published by IAPMO on January 1, 2019
The provisions of this code shall apply to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, maintenance, removal, and demolition of...
This document is referenced by:
ASME B16.42 - Ductile Iron Pipe Flanges and Flanged Fittings Classes 150 and 300
Published by ASME on December 19, 2016
This Standard covers minimum requirements for Classes 150 and 300 cast ductile iron pipe flanges and flanged fittings. The requirements covered are as follows: (a) pressure–temperature ratings (b)...
This document is referenced by:
UFGS-23 64 26 - CHILLED, CHILLED-HOT, AND CONDENSER WATER PIPING SYSTEMS
Published by NAVY on August 1, 2009
NOTE: This guide specification covers requirements for chilled water, chilled-hot (dual service) water and condenser water piping systems associated with HVAC systems, and located within, on, or...
This document is referenced by:
L-001 - Piping and valves
Published by NORSOK on January 1, 2017
This NORSOK standard provides requirements for piping systems. Requirements for piping fabrication, installation, flushing and testing are provided in NORSOK L-004. Requirements for welding and...
This document is referenced by:
IAPMO LAPC - 2020 COUNTY OF LOS ANGELES PLUMBING CODE
Published by IAPMO on January 1, 2020
The provisions of this Code shall apply to the construction, alteration, moving, removal, repair and use of any plumbing or drainage work, and the qualification and registration of certain persons...
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