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ASTM F1120

1987 Edition, December 31, 1987

Complete Document

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

Includes all amendments and changes through Reapproval Notice , 2015

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Product Details:

  • Revision: 1987 Edition, December 31, 1987
  • Published Date: January 2015
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 7
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / 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.

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

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.

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