Standard Historical Last Updated: Apr 05, 2018 Track Document
ASTM F2934-12

Standard Specification for Circular Metallic Bellows Type Expansion Joint for HVAC Piping Applications

Standard Specification for Circular Metallic Bellows Type Expansion Joint for HVAC Piping Applications F2934-12 ASTM|F2934-12|en-US Standard Specification for Circular Metallic Bellows Type Expansion Joint for HVAC Piping Applications Standard new BOS Vol. 01.08 Committee F25
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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 movements of terminal equipment and supporting structures. This specification indicates the ordering information for each expansion joint, such as the dimensional limitations, internal liner, end fittings, and flow medium. It also identifies the quality workmanship requirements, materials needed for manufacture, and other possible requirements.

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 movements 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 the standard. The values given in parentheses are for information only.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 01.08
Developed by Subcommittee: F25.11
Pages: 5
DOI: 10.1520/F2934-12
ICS Code: 91.140.30