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Standard Specification for Circular Metallic Bellows Type Expansion Joint for HVAC Piping Applications
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STANDARD published on 1.3.2018
Designation standards: ASTM F2934-12(2018)
Note: WITHDRAWN
Publication date standards: 1.3.2018
SKU: NS-811939
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
expansion joint, HVAC systems, metallic bellows-type expansion joints, piping systems, piping thermal contraction, piping thermal expansion,, ICS Number Code 91.140.30 (Ventilation and air-conditioning systems)
1. 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 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 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 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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2. Referenced Documents | ||||||||
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