Standard Active Last Updated: Jul 25, 2024 Track Document
ASTM F1120-87(2024)

Standard Specification for Circular Metallic Bellows Type Expansion Joints for Piping Applications

Standard Specification for Circular Metallic Bellows Type Expansion Joints for Piping Applications F1120-87R24 ASTM|F1120-87R24|en-US Standard Specification for Circular Metallic Bellows Type Expansion Joints for Piping Applications Standard new BOS Vol. 01.07 Committee F25
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ASTM International

Abstract

This specification establishes the minimum requirements for the mechanical design, manufacture, inspection, and testing of circular metallic bellows-type expansion joints used to absorb the dimensional changes resulting from piping thermal expansion or contraction, as well as the movement of terminal equipment and supporting structures. Materials used shall be free from defects that would adversely affect the performance of the expansion joint. All pressure retaining components shall be hydrostatically tested to meet the requirements prescribed.

Scope

1.1 This specification establishes the minimum requirements for the mechanical design, manufacture, inspection, and testing of circular metallic bellows-type expansion joints used to absorb the dimensional changes resulting from piping thermal expansion or contraction, as well as the movement of terminal equipment and supporting structures.

1.2 Additional or better features, over and above the minimum requirements set by this specification, are not prohibited by this specification.

1.3 The layout of many piping systems provides inherent flexibility through natural changes in direction so that any displacements produce primarily bending or torsional strains, within acceptable limits. Where the system lacks this inherent flexibility the designer should then consider adding flexibility through the use of metallic bellows-type expansion joints.

1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Details
Book of Standards Volume: 01.07
Developed by Subcommittee: F25.11
Pages: 7
DOI: 10.1520/F1120-87R24
ICS Code: 23.040.60