ASTM F1123-87(2004)

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An American National Standard
Designation: F1123 – 87 (Reapproved 2004)
Standard Specification for
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 Department of Defense.
1. Scope 3. Terminology
1.1 This specification provides the minimum requirements 3.1 Definitions:
for construction, materials, performance, and dimensional 3.1.1 floating metallic flange type—expansion joint having
requirements of arch-type non-metallic expansion joints. the tube, fabric plies, and cover brought up from the joint body
1.2 The values stated in inch-pound units are to be regarded to form a bead.
as the standard. The values given in parentheses are for
NOTE 1—This bead is molded into a groove in the metallic flange.
information only.
Retaining rings are not required with this design.
1.3 The following safety hazards caveat pertains only to the
3.1.2 integral rubber flange type—expansion joint having
test method described in this specification. This standard does
the tube, fabric plies, and cover brought up from the joint body
not purport to address all of the safety concerns, if any,
to form a rubber flange.
associated with its use. It is the responsibility of the user of this
standard to establish appropriate safety and health practices
NOTE 2—Additional plies or other reinforcement may be used in the
flange to meet service conditions. Retaining rings must be used with this
and determine the applicability of regulatory limitations prior
design.
to use.
3.1.3 maximum allowable working pressure (MAWP)—
2. Referenced Documents
manufacturer’s recommended maximum continuous operating
2.1 ASTM Standards:
pressure (lb/in. (Pa)).
A395/A395M Specification for Ferritic Ductile Iron
3.1.4 non-metallic flanged expansion joint—flexible con-
Pressure-Retaining Castings for Use at Elevated Tempera-
nector fabricated from natural or synthetic rubber and fabrics,
tures
usually with metal reinforcement, to isolate vibration and noise
D1418 Practice for Rubber and Rubber Latices—
and provide stress relief in piping systems caused by thermal
Nomenclature
changes and other system movements.
2.2 Federal Standard:
4. Ordering Information
Code of Federal Regulations, Title 30, Chapter I, Mine
Safety and Health Administration
4.1 Ordersforproductsunderthisspecificationshallinclude
2.3 ANSI Standards:
the following information:
B16.1 Cast Iron Pipe Flanges and Flanged Fittings
4.1.1 Inside diameter of connecting pipes (joint ID).
B16.5 Steel Pipe Flanges and Flanged Fittings
4.1.2 Face-to-face dimension that is the flange-to-flange
B16.24 Bronze Flanges and Flanged Fittings
dimension into which the expansion joint is to be installed.
4.1.3 Maximum and minimum operating pressure in
pounds-force per square inch gage (pascals).
This specification is under the jurisdiction of ASTM Committee F25 on Ships
4.1.4 Maximum and minimum operating temperature in °F
and Marine Technology and is the direct responsibility of Subcommittee F25.11 on
(°C).
Machinery and Piping Systems.
Current edition approved Nov. 1, 2004. Published November 2004. Originally 4.1.5 Flange drilling in accordance with the appendix titled
approved in 1987. Last previous edition approved in 1998 as F1123 – 87 (1998).
“Common Flange Dimension/Drilling Chart’’ of the Technical
DOI: 10.1520/F1123-87R04.
Handbook on Rubber Expansion Joints and Flexible Pipe
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Connectors (herein referred to as the Technical Handbook)or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
in accordance with special customer requirements.
the ASTM website.
AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401. The Technical Handbook on Rubber Expansion Joints and Flexible Pipe
Available from American Society of Mechanical Engineers (ASME), ASME Connections is available from Fluid Sealing Association, 2017 Walnut St., Phila-
International Headquarters, Three Park Ave., New York, NY 10016-5990. delphia, PA 19103.
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F1123 – 87 (2004)
4.1.6 Fluid to be handled. Drilling Chart’’ or in accordance with the customer order as
4.1.7 This ASTM specification designation. required, to match the mating flanges.
4.1.8 Movement data requirements (including shock or 5.7.2 Metallic flanges shall meet the material requirements
vibratory excursions if applicable). and pressure-temperature ratings in accordance with ANSI
4.1.9 Design certification burst test if required (see 9.1). B16.1, B16.5,or B16.24.
4.1.10 Hydrostatic or special tests if required (see 9.2). 5.8 Retaining Rings—Retaining rings for the integral flange
4.1.11 Certification of expansion joint if required (see Sec- type are installed behind the flanges and are drilled to match
tion 12). theflangedrilling.Thesectionssuppliedforeachflangeshould
4.1.12 Certified detailed drawing of the expansion joint if be split at the bolt holes to ensure a proper seal at all points
required (see 12.2). whentheboltsaretightened.Theedgenexttotherubberflange
shall be broken or bevelled to prevent cutting the rubber
5. Materials and Manufacture
flanges. Retaining rings must be a minimum thickness of ⁄8 in.
5.1 Expansion joints shall be fabricated with an elastomeric
(9.5 mm) and shall be made of steel or ductile iron. Carbon
tube reinforced with multiple plies of woven cloth or tire cord
steel shall be galvanized. Ductile iron shall be in accordance
covered with synthetic rubber.The inner tube shall be a natural
with Specification A395/A395M.
rubber,syntheticrubber,orblendofsyntheticrubberthatmeets
the requirements of this specification. The woven cloth or tire
6. Other Requirements
cord shall be nylon, polyester, fiberglass, or aramid. Cotton is
6.1 All expansion joints shall be designed for a minimum
not acceptable. The reinforcing fabric shall be impregnated
burst pressure of four times the maximum allowable working
with a compatible friction stock. Additional reinforcement to
pressure. The design shall be based on analytical or experi-
the fabric may be provided in the body of the expansion joint
mental test of expansion joints of similar construction, class,
and may be solid metal rings or wire imbedded in the synthetic
type, and size. The design shall be certified by tests if ordered
rubber. Tensile properties of the wire, if used, shall be as given
(see 4.1.9).
in 5.2. Body rings, if used, must be welded before being
6.2 Performance Requirements—Single arch expansion
installed in the expansion joint body. Welds must be 100 %
joint movement shall not exceed the limits of the Technical
penetration.
Handbook table referred to in 5.6 unless the manufacturer
5.1.1 The list of elastomers used in expansion joints and
certifies that a proposed design can exceed the listed minimum
rubber pipe in accordance with the Technical Handbook lists
movementcapabilitytomeetaspecialrequirementgreaterthan
acceptable natural rubber and synthetic elastomers for con-
the minimum listed. Multiple arch-joint movement shall be of
struction of non-metall
...