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ASTM F1123-87(2019)

(Specification)

Standard Specification for Non-Metallic Expansion Joints

Standard Specification for Non-Metallic Expansion Joints

ABSTRACT
This specification provides the minimum requirements for construction, materials, performance, and dimensions of arch-type non-metallic expansion joints. Expansion joints shall be fabricated with an elastomeric tube reinforced with multiple plies of woven cloth or tire cord covered with synthetic rubber. The inner tube shall be a natural rubber, synthetic rubber, or blend of synthetic rubber. The woven cloth or tire cord shall be nylon, polyester, fiberglass, or aramid, and shall not be cotton. The reinforcing fabric shall be impregnated with a compatible friction stock. Additional reinforcement to the fabric may be provided in the body of the expansion joint and may be solid metal rings or wire embedded in the synthetic rubber. Body rings, if used, must be welded before being installed in the expansion joint body. All expansion joints shall be manufactured with a cover of Hypalon or Neoprene (Chloroprene). The requirements for (1) integral rubber and fabric flanges, (2) floating metal flanges, (3) arches, (4) metallic flanges, (5) retaining rings, and (6) expansion joint cover and body. All expansion joints shall be designed for the specified pressure requirement. Performance requirements for single arch expansion movement and multiple arch-joint movement, as well as the pressure rating, are specified. The following tests shall be performed if required: burst test for prototype testing, hydrostatic test for production testing, and flame resistance test.
SCOPE
1.1 This specification provides the minimum requirements for construction, materials, performance, and dimensional requirements of arch-type non-metallic expansion joints.  
1.2 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.  
1.3 The following safety hazards caveat pertains only to the test method described in this specification. 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.  
1.4 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.

General Information

Status
Published
Publication Date
30-Nov-2019
ICS
23.040.60 - Flanges, couplings and joints
Technical Committee
F25 - Ships and Marine Technology
Drafting Committee
F25.11 - Machinery and Piping Systems
Current Stage
Ref Project

Relations

Replaces
ASTM F1123-87(2015) - Standard Specification for Non-Metallic Expansion Joints
Effective Date
01-Dec-2019

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ASTM F1123-87(2019) - Standard Specification for Non-Metallic Expansion JointsASTM F1123-87(2019) - Standard Specification for Non-Metallic Expansion Joints
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ASTM F1123-87(2019) - Standard Specification for Non-Metallic Expansion Joints
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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.
Designation: F1123 −87 (Reapproved 2019) An American National Standard
Standard Specification for
1
Non-Metallic Expansion Joints
This standard is issued under the fixed designation F1123; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
3
1. Scope 2.2 Federal Standard:
Code of Federal Regulations, Title 30, Chapter I, Mine
1.1 This specification provides the minimum requirements
Safety and Health Administration
for construction, materials, performance, and dimensional
4
requirements of arch-type non-metallic expansion joints. 2.3 ASME Standards:
B16.1 Gray Iron Pipe Flanges and Flanged Fittings: Classes
1.2 The values stated in inch-pound units are to be regarded
25, 125, and 250
as standard. The values given in parentheses are mathematical
B16.5 Pipe Flanges and Flanged Fittings: NPS 1/2 through
conversions to SI units that are provided for information only
NPS 24 Metric/Inch Standard
and are not considered standard.
B16.24 Cast Copper Alloy Pipe Flanges, Flanged Fittings,
1.3 The following safety hazards caveat pertains only to the
and Valves: Classes 150, 300, 600, 900, 1500, and 2500
test method described in this specification. This standard does
not purport to address all of the safety concerns, if any,
3. Terminology
associated with its use. It is the responsibility of the user of this
3.1 Definitions:
standard to establish appropriate safety, health, and environ-
3.1.1 floating metallic flange type, n—expansion joint hav-
mental practices and determine the applicability of regulatory
ing the tube, fabric plies, and cover brought up from the joint
limitations prior to use.
body to form a bead.
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard-
3.1.1.1 Discussion—This bead is molded into a groove in
ization established in the Decision on Principles for the
the metallic flange. Retaining rings are not required with this
Development of International Standards, Guides and Recom-
design.
mendations issued by the World Trade Organization Technical
3.1.2 integral rubber flange type, n—expansion joint having
Barriers to Trade (TBT) Committee.
the tube, fabric plies, and cover brought up from the joint body
to form a rubber flange.
2. Referenced Documents
3.1.2.1 Discussion—Additional plies or other reinforcement
2
2.1 ASTM Standards:
may be used in the flange to meet service conditions. Retaining
A395/A395M Specification for Ferritic Ductile Iron
rings must be used with this design.
Pressure-Retaining Castings for Use at ElevatedTempera-
3.1.3 maximum allowable working pressure (MAWP),
tures
n—manufacturer’s recommended maximum continuous oper-
D1418 Practice for Rubber and Rubber Latices—
2
ating pressure (lb/in. (Pa)).
Nomenclature
3.1.4 non-metallic flanged expansion joint, n—flexible con-
nector fabricated from natural or synthetic rubber and fabrics,
1
usually with metal reinforcement, to isolate vibration and noise
This specification is under the jurisdiction of ASTM Committee F25 on Ships
and Marine Technology and is the direct responsibility of Subcommittee F25.11 on
Machinery and Piping Systems.
Current edition approved Dec. 1, 2019. Published January 2020. Originally
3
approved in 1987. Last previous edition approved in 2015 as F1123 – 87 (2015). Available from U.S. Government Printing Office, Superintendent of
DOI: 10.1520/F1123-87R19. Documents, 732 N. Capitol St., NW, Washington, DC 20401-0001, http://
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or www.access.gpo.gov.
4
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from American Society of Mechanical Engineers (ASME), ASME
Standards volume information, refer to the standard’s Document Summary page on International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
the ASTM website. www.asme.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F1123 − 87 (2019)
and provide stress relief in piping systems caused by thermal mer) plus normal additives to provide for curing and a
changes and other system movements. durometer between 50 and 75 on the ShoreAScale. Neoprene
and Hypalon are selected as the best fire-retardant elastomer of
4. Ordering Info
...

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Note 1: The dimensionless designator nominal pipe size (NPS) has been substituted in this practice for such traditional terms as “nominal diameter,” “size,” “nominal size,” and “iron pipe size.”  
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This specification provides the performance characteristics and qualification tests required for gasket mechanical couplings (GMCs) including grooved-type mechanical couplings for grooved end pipe, mechanical restraint couplings for plain end pipe and mechanical compression couplings for plain end pipe. These couplings are for use at temperatures within the recommended temperature range of their respective gaskets. The GMCs are classified into two types: Type I which are the groove mechanical couplings and Type II which are plain end mechanical couplings. Also, they can be classified into various grades based on successful completion of testing. They can also be grouped into three classes in accordance to joint characteristics: Class 1 which is rigid and restrained, Class 2 which is flexible and restrained, and Class 3 which is flexible and unrestrained. The housings of grooved GMCs shall be made from either ductile iron, aluminum alloy, or iron-chromium-nickel alloy. Bolts of these couplings shall be made from carbon steel and corrosion resistant materials. As for plain end GMCs, their housings or center sleeves shall be made from either ductile iron or steel materials. Their bolts shall be constructed with carbon steel and corrosion resistant materials. Standard qualification tests for GMC shall consist of the following: performance test, specimen examination, pneumatic proof test, vacuum test, hydrostatic proof test, flexibility test, hydrostatic burst test, rigidity test, bending moment proof test, and bending moment ultimate test.
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5.1 The Device record includes information about how the heat butt fusion joint was made (heater temperature, pressures and times for the heating, fusion and cooling steps) and other important information about the process, job, equipment used, etc. The Device record is compared to the specified heat butt fusion procedure parameters to determine if the procedure was followed correctly. For comparison purposes, a graph of time versus pressure is generated from the data record to show pressure changes that occur during the butt fusion process. Comparing the time versus pressure graph to the steps in the procedure helps determine that the procedure parameters were observed, (Note 1). (See Appendix X1.) These records may be downloaded from the device and stored.  
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1.2 This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project’s many unique aspects. The word “Standard” in the title means only that the document has been approved through the ASTM consensus process.  
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1.2 Flanges (see Fig. 1) may be produced as integral flanges, Type A, or flange-on-pipe, Type B.
FIG. 1 Flange Types  
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SCOPE
1.1 This specification2 covers forged low alloy and stainless steel piping components for use in pressure systems. Included are flanges, fittings, valves, and similar parts to specified dimensions or to dimensional standards, such as the ASME specifications that are referenced in Section 2.  
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1.3 Products made to this specification are limited to a maximum weight of 10 000 lb [4540 kg]. For larger products and products for other applications, refer to Specifications A336/A336M and A965/A965M for the similar ferritic and austenitic grades, respectively, available in those specifications.  
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