ASTM F 1120 Standard Specification for Circular Metallic Bellows Type Expansion Joints for Piping Applications
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ASTM F 1120 Document Information:
Title
Standard Specification for Circular Metallic Bellows Type Expansion Joints for Piping Applications
ASTM International
Publication Date:
Dec 31, 1987
Scope:
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 the
standard. The values given in
parentheses are for information only.
Keywords:
- expansion joint
- metallic bellows-type expansion joints
- piping systems
- piping thermal contraction
- piping thermal expansion
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