ASTM F2080-23
(Specification)Standard Specification for Cold-Expansion Fittings with Metal Compression-Sleeves for Crosslinked Polyethylene (PEX) Pipe and SDR9 Polyethylene of Raised Temperature (PE-RT) Pipe
Standard Specification for Cold-Expansion Fittings with Metal Compression-Sleeves for Crosslinked Polyethylene (PEX) Pipe and SDR9 Polyethylene of Raised Temperature (PE-RT) Pipe
ABSTRACT
This specification covers cold-expansion fittings using metal compression-sleeves for use with cross-linked polyethylene (PEX) plastic pipe. These cold-expansion fittings and metal compression-sleeves are intended for use in residential and commercial, hot and cold, potable water distribution systems, as well as sealed central heating, including under-floor heating systems, with continuous operation. Cold-expansion fittings shall be made from one of the following materials: machined brass; machined stainless steel; machined carbon steel; forged brass; or cast copper alloys. Metal compression-sleeves shall be made from one of the following materials: machined brass; machined stainless steel; or plating. Dimension measurements shall be made in accordance with the specified requirements.
SCOPE
1.1 This specification covers cold-expansion fittings using metal compression-sleeves for use with crosslinked polyethylene (PEX) plastic pipe in 3/8-in., 1/2-in., 5/8-in., 3/4-in., 1-in., 11/4-in., 11/2-in., and 2 in. nominal diameters, meeting the requirements of Specification F876 or F3253, and for use with Polyethylene of Raised Temperature (PE-RT) pipe in 3/8 , 1/2 , 5/8 , 3/4 , 1, 1- 1/4 , nominal diameters meeting the requirements of Specification F2769, whereby the pipe is cold-expanded before fitting assembly. The components covered by this specification are intended for use in residential and commercial, hot and cold, potable water distribution systems or other applications such as municipal water service lines, building supply lines, radiant panel heating systems, hydronic baseboard heating systems, snow and ice melting systems, geothermal underground pipe systems and building services pipe with continuous operation at pressures up to and including 100 psi (690 kPa), and at temperatures up to and including 180 °F (82 °C).
1.2 Included in this specification are the requirements for materials, workmanship, dimensions, and markings to be used on the fittings and compression-sleeves. Performance requirements are as referenced in Specification F877 for systems containing PEX pipe and Specification F2769 for systems containing PE-RT pipe.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 The following precautionary caveat pertains only to the test method portion, Section 10, of 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.
1.5 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
- 31-Jan-2023
- Technical Committee
- F17 - Plastic Piping Systems
- Drafting Committee
- F17.10 - Fittings
Relations
- Effective Date
- 01-Mar-2024
- Effective Date
- 01-Mar-2024
- Effective Date
- 01-Mar-2024
- Effective Date
- 01-Feb-2024
- Effective Date
- 01-Feb-2024
- Effective Date
- 01-Feb-2024
- Effective Date
- 01-Feb-2024
- Effective Date
- 01-Feb-2024
- Effective Date
- 01-Jan-2024
- Effective Date
- 01-Dec-2023
- Effective Date
- 01-Apr-2020
- Effective Date
- 01-Nov-2019
- Refers
ASTM B283/B283M-19a - Standard Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed) - Effective Date
- 01-Oct-2019
- Effective Date
- 01-Oct-2019
- Effective Date
- 01-Apr-2019
Overview
ASTM F2080-23 specifies the requirements for cold-expansion fittings with metal compression-sleeves for use with crosslinked polyethylene (PEX) pipe and Polyethylene of Raised Temperature (PE-RT) pipe. This standard is essential for manufacturers, installers, and engineers working with hot and cold potable water distribution systems and various heating applications. The fittings and compression-sleeves covered by ASTM F2080-23 are designed for use in both residential and commercial settings, ensuring long-lasting and reliable connections under continuous pressure and temperature conditions.
Key Topics
- Materials and Manufacturing: ASTM F2080-23 covers cold-expansion fittings made from machined brass, machined stainless steel, machined carbon steel, forged brass, or cast copper alloys. Metal compression-sleeves are required to be manufactured from machined brass, machined stainless steel, or plated materials.
- Performance and Dimensional Requirements: The standard references ASTM F876, F3253, and F2769 for pipe compatibility and performance criteria. Fittings are required to meet strict dimensional tolerances and material integrity standards to ensure leak-free performance.
- Assembly and Installation: The standard outlines the correct procedures for assembly by requiring the use of a specific cold-expansion method before inserting the fitting and covering it with a compression-sleeve, ensuring robust and consistent joints.
- Marking and Quality Assurance: All fittings and sleeves must bear the manufacturer’s mark, relevant certification marks, the F2080 specification, and size. This ensures traceability and compliance with NSF/ANSI standards for potable water applications when required.
- Safety and Compliance: The standard emphasizes health, safety, and regulatory compliance, including evaluation to NSF/ANSI 61 or NSF 14 for potable water uses, when specified by regulatory authorities.
Applications
ASTM F2080-23 fittings and compression-sleeves are widely used across various piping systems that demand secure, durable, and leak-proof connections. Key application areas include:
- Residential and Commercial Plumbing: Reliable joints for hot and cold potable water distribution systems.
- Heating Systems: Suitable for sealed central heating, radiant panel heating, hydronic baseboard heating, and under-floor heating systems.
- Municipal and Building Services: Used in municipal water service lines, building supply lines, and snow and ice melting piping systems.
- Geothermal and Underground Installations: Rated for continued operation at pressures up to 100 psi (690 kPa) and temperatures up to 180°F (82°C), making them suitable for demanding environments requiring stable, corrosion-resistant joints.
Related Standards
Several standards are referenced by, or relevant to, ASTM F2080-23 for ensuring compatibility and compliance across systems:
- ASTM F876: Specification for Crosslinked Polyethylene (PEX) Tubing.
- ASTM F877: Specification for PEX Hot- and Cold-Water Distribution Systems.
- ASTM F2769: Specification for Polyethylene of Raised Temperature (PE-RT) Hot and Cold-Water Tubing and Distribution Systems.
- ASTM F3253: Specification for PEX Tubing with Oxygen Barrier.
- NSF/ANSI 61 & NSF/ANSI 14: Health effects and material safety standards for drinking water system components.
- ASME B1.20.1, B16.18, B16.22: Standards for pipe threads, copper alloy solder joint fittings, and related applications.
Keywords: ASTM F2080-23, cold-expansion fittings, PEX pipe fittings, PE-RT fittings, compression-sleeve, potable water, hydronic heating, under-floor heating, plumbing standards, plastic piping systems, residential plumbing, commercial plumbing, NSF/ANSI compliance.
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ASTM F2080-23 - Standard Specification for Cold-Expansion Fittings with Metal Compression-Sleeves for Crosslinked Polyethylene (PEX) Pipe and SDR9 Polyethylene of Raised Temperature (PE-RT) Pipe
REDLINE ASTM F2080-23 - Standard Specification for Cold-Expansion Fittings with Metal Compression-Sleeves for Crosslinked Polyethylene (PEX) Pipe and SDR9 Polyethylene of Raised Temperature (PE-RT) Pipe
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Frequently Asked Questions
ASTM F2080-23 is a technical specification published by ASTM International. Its full title is "Standard Specification for Cold-Expansion Fittings with Metal Compression-Sleeves for Crosslinked Polyethylene (PEX) Pipe and SDR9 Polyethylene of Raised Temperature (PE-RT) Pipe". This standard covers: ABSTRACT This specification covers cold-expansion fittings using metal compression-sleeves for use with cross-linked polyethylene (PEX) plastic pipe. These cold-expansion fittings and metal compression-sleeves are intended for use in residential and commercial, hot and cold, potable water distribution systems, as well as sealed central heating, including under-floor heating systems, with continuous operation. Cold-expansion fittings shall be made from one of the following materials: machined brass; machined stainless steel; machined carbon steel; forged brass; or cast copper alloys. Metal compression-sleeves shall be made from one of the following materials: machined brass; machined stainless steel; or plating. Dimension measurements shall be made in accordance with the specified requirements. SCOPE 1.1 This specification covers cold-expansion fittings using metal compression-sleeves for use with crosslinked polyethylene (PEX) plastic pipe in 3/8-in., 1/2-in., 5/8-in., 3/4-in., 1-in., 11/4-in., 11/2-in., and 2 in. nominal diameters, meeting the requirements of Specification F876 or F3253, and for use with Polyethylene of Raised Temperature (PE-RT) pipe in 3/8 , 1/2 , 5/8 , 3/4 , 1, 1- 1/4 , nominal diameters meeting the requirements of Specification F2769, whereby the pipe is cold-expanded before fitting assembly. The components covered by this specification are intended for use in residential and commercial, hot and cold, potable water distribution systems or other applications such as municipal water service lines, building supply lines, radiant panel heating systems, hydronic baseboard heating systems, snow and ice melting systems, geothermal underground pipe systems and building services pipe with continuous operation at pressures up to and including 100 psi (690 kPa), and at temperatures up to and including 180 °F (82 °C). 1.2 Included in this specification are the requirements for materials, workmanship, dimensions, and markings to be used on the fittings and compression-sleeves. Performance requirements are as referenced in Specification F877 for systems containing PEX pipe and Specification F2769 for systems containing PE-RT pipe. 1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 The following precautionary caveat pertains only to the test method portion, Section 10, of 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. 1.5 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.
ABSTRACT This specification covers cold-expansion fittings using metal compression-sleeves for use with cross-linked polyethylene (PEX) plastic pipe. These cold-expansion fittings and metal compression-sleeves are intended for use in residential and commercial, hot and cold, potable water distribution systems, as well as sealed central heating, including under-floor heating systems, with continuous operation. Cold-expansion fittings shall be made from one of the following materials: machined brass; machined stainless steel; machined carbon steel; forged brass; or cast copper alloys. Metal compression-sleeves shall be made from one of the following materials: machined brass; machined stainless steel; or plating. Dimension measurements shall be made in accordance with the specified requirements. SCOPE 1.1 This specification covers cold-expansion fittings using metal compression-sleeves for use with crosslinked polyethylene (PEX) plastic pipe in 3/8-in., 1/2-in., 5/8-in., 3/4-in., 1-in., 11/4-in., 11/2-in., and 2 in. nominal diameters, meeting the requirements of Specification F876 or F3253, and for use with Polyethylene of Raised Temperature (PE-RT) pipe in 3/8 , 1/2 , 5/8 , 3/4 , 1, 1- 1/4 , nominal diameters meeting the requirements of Specification F2769, whereby the pipe is cold-expanded before fitting assembly. The components covered by this specification are intended for use in residential and commercial, hot and cold, potable water distribution systems or other applications such as municipal water service lines, building supply lines, radiant panel heating systems, hydronic baseboard heating systems, snow and ice melting systems, geothermal underground pipe systems and building services pipe with continuous operation at pressures up to and including 100 psi (690 kPa), and at temperatures up to and including 180 °F (82 °C). 1.2 Included in this specification are the requirements for materials, workmanship, dimensions, and markings to be used on the fittings and compression-sleeves. Performance requirements are as referenced in Specification F877 for systems containing PEX pipe and Specification F2769 for systems containing PE-RT pipe. 1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 The following precautionary caveat pertains only to the test method portion, Section 10, of 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. 1.5 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.
ASTM F2080-23 is classified under the following ICS (International Classification for Standards) categories: 23.040.40 - Metal fittings. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM F2080-23 has the following relationships with other standards: It is inter standard links to ASTM A108-24, ASTM A269/A269M-24, ASTM A312/A312M-24, ASTM F3253-24, ASTM A276/A276M-24a, ASTM F2769-24, ASTM F877-24, ASTM F876-24, ASTM A276/A276M-24, ASTM F876-23a, ASTM F412-20, ASTM F877-19, ASTM B283/B283M-19a, ASTM B16/B16M-19, ASTM B371/B371M-19. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM F2080-23 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
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: F2080 − 23 An American National Standard
Standard Specification for
Cold-Expansion Fittings with Metal Compression-Sleeves
for Crosslinked Polyethylene (PEX) Pipe and SDR9
Polyethylene of Raised Temperature (PE-RT) Pipe
This standard is issued under the fixed designation F2080; 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.
1. Scope* 1.5 This international standard was developed in accor-
dance with internationally recognized principles on standard-
1.1 This specification covers cold-expansion fittings using
ization established in the Decision on Principles for the
metal compression-sleeves for use with crosslinked polyethyl-
Development of International Standards, Guides and Recom-
3 1 5 3
ene (PEX) plastic pipe in ⁄8-in., ⁄2-in., ⁄8-in., ⁄4-in., 1-in.,
mendations issued by the World Trade Organization Technical
1 1
1 ⁄4-in., 1 ⁄2-in., and 2 in. nominal diameters, meeting the
Barriers to Trade (TBT) Committee.
requirements of Specification F876 or F3253, and for use with
3 1 5
Polyethylene of Raised Temperature (PE-RT) pipe in ⁄8, ⁄2, ⁄8,
2. Referenced Documents
3 1
⁄4, 1, 1- ⁄4, nominal diameters meeting the requirements of
2.1 ASTM Standards:
Specification F2769, whereby the pipe is cold-expanded before
A108 Specification for Steel Bar, Carbon and Alloy, Cold-
fitting assembly. The components covered by this specification
Finished
are intended for use in residential and commercial, hot and
A269/A269M Specification for Seamless and Welded Aus-
cold, potable water distribution systems or other applications
tenitic Stainless Steel Tubing for General Service
such as municipal water service lines, building supply lines,
A276/A276M Specification for Stainless Steel Bars and
radiant panel heating systems, hydronic baseboard heating
Shapes
systems, snow and ice melting systems, geothermal under-
A312/A312M Specification for Seamless, Welded, and
ground pipe systems and building services pipe with continu-
Heavily Cold Worked Austenitic Stainless Steel Pipes
ous operation at pressures up to and including 100 psi (690
A519 Specification for Seamless Carbon and Alloy Steel
kPa), and at temperatures up to and including 180 °F (82 °C).
Mechanical Tubing
1.2 Included in this specification are the requirements for
B16/B16M Specification for Free-Cutting Brass Rod, Bar
materials, workmanship, dimensions, and markings to be used
and Shapes for Use in Screw Machines
on the fittings and compression-sleeves. Performance require-
B62 Specification for Composition Bronze or Ounce Metal
ments are as referenced in Specification F877 for systems
Castings
containing PEX pipe and Specification F2769 for systems
B140/B140M Specification for Copper-Zinc-Lead (Red
containing PE-RT pipe.
Brass or Hardware Bronze) Rod, Bar, and Shapes
1.3 The values stated in inch-pound units are to be regarded
B283/B283M Specification for Copper and Copper-Alloy
as the standard. The values given in parentheses are mathemati-
Die Forgings (Hot-Pressed)
cal conversions to SI units that are provided for information
B371/B371M Specification for Copper-Zinc-Silicon Alloy
only and are not considered standard.
Rod
1.4 The following precautionary caveat pertains only to the B584 Specification for Copper Alloy Sand Castings for
General Applications
test method portion, Section 10, of this specification. This
standard does not purport to address all of the safety concerns, B689 Specification for Electroplated Engineering Nickel
Coatings
if any, associated with its use. It is the responsibility of the user
of this standard to establish appropriate safety, health, and B851 Specification for Automated Controlled Shot Peening
of Metallic Articles Prior to Nickel, Autocatalytic Nickel,
environmental practices and determine the applicability of
regulatory limitations prior to use. or Chromium Plating, or as Final Finish
This specification is under the jurisdiction of ASTM Committee F17 on Plastic
Piping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Feb. 1, 2023. Published February 2023. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 2001. Last previous edition approved in 2019 as F2080 –19. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/F2080-23. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2080 − 23
D1600 Terminology for Abbreviated Terms Relating to Plas- 4. Classification
tics
4.1 This specification covers one class of metal and plastic
D2122 Test Method for Determining Dimensions of Ther-
cold-expansion fittings with metal compression-sleeves suit-
moplastic Pipe and Fittings
able for use with PEX pipe that meets the requirements of
F412 Terminology Relating to Plastic Piping Systems
Specification F876 or F3253 or PE-RT pipe that meets the
F876 Specification for Crosslinked Polyethylene (PEX) Tub-
requirements of Specification F2769.
ing
5. Materials and Manufacture
F877 Specification for Crosslinked Polyethylene (PEX) Hot-
and Cold-Water Distribution Systems
5.1 Fittings—Cold-expansion fittings shall be made from
F2769 Specification for Polyethylene of Raised Temperature
one of the following materials:
(PE-RT) Plastic Hot and Cold-Water Tubing and Distri-
5.1.1 Machined Brass—Machined brass cold-expansion fit-
bution Systems
tings shall be made from material meeting the requirements of
F3253 Specification for Crosslinked Polyethylene (PEX)
Specification B16/B16M, Copper Alloy UNS C36000, or
Tubing with Oxygen Barrier for Hot- and Cold-Water
Specification B140/B140M, Copper Alloy UNS C31400, or
Hydronic Distribution Systems
Specification B371/B371M, Copper Alloy UNS C69300, or
2.2 ASME Standards:
Specification B283/B283M, Copper Alloy UNS C69850, or
B1.20.1 Pipe Threads General Purpose (Inch)
Specification B283/B283M, Copper Alloy UNS C89844, Cop-
B16.18 Cast Copper Alloy Solder Joint Pressure Fittings
per Alloy UNS No. C27450 or Standard EN 12164, Copper
(Inch)
Alloy CW614N.
B16.22 Wrought Copper Alloy Solder Joint Pressure Fittings
5.1.2 Machined Stainless Steel—Machined stainless steel
(Inch)
cold-expansion fittings shall be made from material meeting
2.3 NSF Standards:
the requirements of Specification A312/A312M, stainless steel
Standard No. 14 for Plastic Piping Components and Related alloy 304L or 316L, or Specification A269/A269M, stainless
Materials steel alloy 304L or 316L, or Specification A276/A276M,
Standard No. 61 for Drinking Water System Components— stainless steel alloy 304L or 316L.
Health Effects 5.1.3 Machined Carbon Steel—Machined carbon steel cold-
expansion fittings shall be made from material meeting the
2.4 MSS Standard:
requirements of Specification A108, Carbon Steel Alloy 1020
SP-104 Wrought Copper Solder Joint Pressure Fittings
or 1025, or Specification A519, Carbon Steel Alloy 1020, or
2.5 EN Standards:
1025 or 1026.
EN 12164 Copper and Copper Alloys—Rod for Free Ma-
5.1.4 Forged Brass—Forged brass cold-expansion fittings
chining Purposes
shall be made from material meeting the requirements of
EN 12165 Copper and Copper Alloys—Wrought and Un-
Specification B283/B283M, Copper Alloy UNS C37700 or
wrought Forging Stock
UNS C89844, or Copper Alloy UNS No. C27450, or Copper
3. Terminology Alloy UNS C69300, or Copper Alloy UNS C69850, or
Standard EN 12165, Copper Alloy CW617N.
3.1 Definitions—Definitions of terms used in this specifica-
5.1.5 Cast Copper Alloys—Cast copper alloy cold-
tion are in accordance with Terminology F412, and abbrevia-
expansion fittings shall be made from material meeting the
tions are in accordance with Terminology D1600, unless
requirements of Specification B62 copper alloy UNS C83600,
otherwise indicated.
or Specification B584, copper-alloy UNS C83800, C84400 or
3.2 Definitions of Terms Specific to This Standard:
C89844.
3.2.1 crosslinked polyethylene, n—a polyethylene material
5.2 Compression-Sleeves—Metal compression-sleeves shall
which has undergone a change in molecular structure using a
be made from one of the following materials:
chemical or a physical process whereby the polymer chains are
5.2.1 Machined Brass—Machined brass compression-
chemically linked
sleeves shall be made from material meeting the requirements
3.2.2 fitting assembly, n—comprised of a cold-expansion
of Specification B16/B16M copper-alloy UNS C36000, or
fitting and a metal compression-sleeve, whereby the pipe is
Standard EN 12168, Copper Alloy CW614N, or Copper Alloy
cold-expanded before fitting insertion, and the compression-
UNS No. C27450, or Standard EN 12165, Copper Alloy
sleeve is pulled in an axial direction over the pipe.
CW617N, or Specification B371/B371M, Copper Alloy UNS
C69300, or Copper Alloy UNS C69850.
5.2.2 Machined Stainless Steel—Machined stainless steel
Available from American Society of Mechanical Engineers (ASME), ASME
International Headquarters, Two Park Ave., New York, NY 10016-5990, http:// compression-sleeves shall be made from material meeting the
www.asme.org.
requirements of Specification A312/A312M, stainless steel
Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., Ann
alloy 304L or 316L, or Specification A269/A269M, stainless
Arbor, MI 48113-0140, http://www.nsf.org.
steel alloy 304L or 316L, or Specification A276/A276M,
Available from Manufacturers Standardization Society of the Valve and Fittings
Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http://www.mss-hq.org. stainless steel alloy 304L or 316L.
5.3 Plating—Plating of either fitting component with nickel
Available from European Committee for Standardization (CEN), 36 rue de
Stassart, B-1050, Brussels, Belgium, http://www.cenorm.be. or chrome, or other metal is optional and must fall within the
F2080 − 23
dimensional tolerances of this specification. Plating can not 7.1.5 Inside Diameter—The minimum inside diameter,
negatively affect the quality of markings or the ability to meet listed as Dimension F in Fig. 1, applies to the entire fitting not
S1.2. just the insert area. When fitting has ends that are of different
5.3.1 Nickel Plating—Application of electroplated nickel sizes or configurations (for example, threaded, solder), or both,
coating shall meet the requirements of Specifications B689 and the minimum ID applies to entire insert area.
B851.
5.3.2 Chrome Plating—Application of electroplated chrome 8. Workmanship, Finish, and Appearance
coating shall meet the requirements of Specification B851.
8.1 The fittings shall be made from materials that are
homogeneous throughout. All sealing surfaces shall be smooth
6. Performance Requirements
and free of foreign material. The walls of cold-expansion
6.1 General—All performance tests shall be conducted on fittings and compression-sleeves shall be free of cracks, holes,
blisters, voids, foreign inclusions, or other defects that are
assemblies of fittings (cold-expansion fittings and
compression-sleeves) and pipe meeting the requirements of visible to the unaided eye and that affect wall integrity.
Specification F876 or F3253 in the case of PEX pipe, or
8.2 Splay—Molded polymer fittings shall be free of visible
Specification F2769 in the case of PE-RT pipe. Fittings shall
splay excepting some light blushing at the gate location.
meet the material and dimensional requirements of this speci-
fication. Assembly of test specimens shall be in accordance
9. Assembly
with 9.3. Each assembly shall contain at least two joints. Use
9.1 Joints:
separate sets of assemblies for each performance test require-
9.1.1 Cold-Expansion Joints—Fittings shall be joined to
ment.
pipe by first expanding the end of the pipe with the expander
6.2 Fittings manufactured according to this specification
tool, inserting the cold-expansion fitting into expanded pipe,
and intended for use with PEX pipe meeting the requirements
then pulling the compression-sleeve over the pipe and the
of Specification F876 or F3253, shall comply with the follow-
fitting, compressing the pipe between the compression-sleeve
ing performance requirements of Specification F877 . When a
and the fitting. Cold-expansion fittings and compression-
section with an identical title appears in this Specification, it
sleeves shall meet the dimensional and material requirements
contains additional requirements that supplement those found
of this specification. Pipe shall meet the requirements of
in Specification F877.
Specification F876 or F3253 in the case of PEX pipe or
6.2.1 Requirements,
Specification F2769 in the case of PE-RT pipe.
6.2.2 Test Methods, and
9.2 Expander Tool:
6.2.3 Retest and Rejection.
9.2.1 The expander tool shall have a six-section radial
6.3 Fittings, manufactured according to this specification
expanding cylindrical-shaped head with unexpanded and maxi-
and intended for use with PE-RT pipe meeting the require-
mum expanded diameters as shown in Table 1.
ments of Specification F2769, shall comply with the following
9.2.2 The expander tool shall be inspected according to
performance requirements of Specification
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F2080 − 19 F2080 − 23 An American National Standard
Standard Specification for
Cold-Expansion Fittings with Metal Compression-Sleeves
for Crosslinked Polyethylene (PEX) Pipe and SDR9
Polyethylene of Raised Temperature (PE-RT) Pipe
This standard is issued under the fixed designation F2080; 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.
1. Scope*
1.1 This specification covers cold-expansion fittings using metal compression-sleeves for use with crosslinked polyethylene (PEX)
3 1 5 3 1 1
plastic pipe in ⁄8-in., ⁄2-in., ⁄8-in., ⁄4-in., 1-in., 1 ⁄4-in., 1 ⁄2-in., and 2 in. nominal diameters, meeting the requirements of
3 1 5 3 1
Specification F876 or F3253, and for use with Polyethylene of Raised Temperature (PE-RT) pipe in ⁄8, ⁄2, ⁄8, ⁄4, 1, 1- ⁄4, nominal
diameters meeting the requirements of Specification F2769, whereby the pipe is cold-expanded before fitting assembly. The
components covered by this specification are intended for use in residential and commercial, hot and cold, potable water
distribution systems or other applications such as municipal water service lines, building supply lines, radiant panel heating
systems, hydronic baseboard heating systems, snow and ice melting systems, geothermal underground pipe systems and building
services pipe with continuous operation at pressures up to and including 100 psi (690 kPa), and at temperatures up to and including
180 °F (82 °C).
1.2 Included in this specification are the requirements for materials, workmanship, dimensions, and markings to be used on the
fittings and compression-sleeves. Performance requirements are as referenced in Specification F877 for systems containing PEX
pipe and Specification F2769 for systems containing PE-RT pipe.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
1.4 The following precautionary caveat pertains only to the test method portion, Section 10, of 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.
1.5 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.
2. Referenced Documents
2.1 ASTM Standards:
A108 Specification for Steel Bar, Carbon and Alloy, Cold-Finished
A269/A269M Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
This specification is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.
Current edition approved Nov. 1, 2019Feb. 1, 2023. Published November 2019February 2023. Originally approved in 2001. Last previous edition approved in 20182019
as F2080 –18. DOI: 10.1520/F2080-19. –19. DOI: 10.1520/F2080-23.
For referenced ASTM standards, visit the ASTM website, www.astm.org, 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 the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2080 − 23
A276/A276M Specification for Stainless Steel Bars and Shapes
A312/A312M Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A519 Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
B16/B16M Specification for Free-Cutting Brass Rod, Bar and Shapes for Use in Screw Machines
B62 Specification for Composition Bronze or Ounce Metal Castings
B140/B140M Specification for Copper-Zinc-Lead (Red Brass or Hardware Bronze) Rod, Bar, and Shapes
B283/B283M Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed)
B371/B371M Specification for Copper-Zinc-Silicon Alloy Rod
B584 Specification for Copper Alloy Sand Castings for General Applications
B689 Specification for Electroplated Engineering Nickel Coatings
B851 Specification for Automated Controlled Shot Peening of Metallic Articles Prior to Nickel, Autocatalytic Nickel, or
Chromium Plating, or as Final Finish
D1600 Terminology for Abbreviated Terms Relating to Plastics
D2122 Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings
F412 Terminology Relating to Plastic Piping Systems
F876 Specification for Crosslinked Polyethylene (PEX) Tubing
F877 Specification for Crosslinked Polyethylene (PEX) Hot- and Cold-Water Distribution Systems
F2769 Specification for Polyethylene of Raised Temperature (PE-RT) Plastic Hot and Cold-Water Tubing and Distribution
Systems
F3253 Specification for Crosslinked Polyethylene (PEX) Tubing with Oxygen Barrier for Hot- and Cold-Water Hydronic
Distribution Systems
2.2 ASME Standards:
B1.20.1 Pipe Threads General Purpose (Inch)
B16.18 Cast Copper Alloy Solder Joint Pressure Fittings (Inch)
B16.22 Wrought Copper Alloy Solder Joint Pressure Fittings (Inch)
2.3 NSF Standards:
Standard No. 14 for Plastic Piping Components and Related Materials
Standard No. 61 for Drinking Water System Components—Health Effects
2.4 MSS Standard:
SP-104 Wrought Copper Solder Joint Pressure Fittings
2.5 EN Standards:
EN 12164 Copper and Copper Alloys—Rod for Free Machining Purposes
EN 12165 Copper and Copper Alloys—Wrought and Unwrought Forging Stock
3. Terminology
3.1 Definitions—Definitions of terms used in this specification are in accordance with Terminology F412, and abbreviations are
in accordance with Terminology D1600, unless otherwise indicated.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 crosslinked polyethylene, n—a polyethylene material which has undergone a change in molecular structure using a chemical
or a physical process whereby the polymer chains are chemically linked
3.2.2 fitting assembly, n—comprised of a cold-expansion fitting and a metal compression-sleeve, whereby the pipe is
cold-expanded before fitting insertion, and the compression-sleeve is pulled in an axial direction over the pipe.
4. Classification
4.1 This specification covers one class of metal and plastic cold-expansion fittings with metal compression-sleeves suitable for use
with PEX pipe that meets the requirements of Specification F876 or F3253 or PE-RT pipe that meets the requirements of
Specification F2769.
Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
www.asme.org.
Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., Ann Arbor, MI 48113-0140, http://www.nsf.org.
Available from Manufacturers Standardization Society of the Valve and Fittings Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http://www.mss-hq.org.
Available from European Committee for Standardization (CEN), 36 rue de Stassart, B-1050, Brussels, Belgium, http://www.cenorm.be.
F2080 − 23
5. Materials and Manufacture
5.1 Fittings—Cold-expansion fittings shall be made from one of the following materials:
5.1.1 Machined Brass—Machined brass cold-expansion fittings shall be made from material meeting the requirements of
Specification B16/B16M, Copper Alloy UNS C36000, or Specification B140/B140M, Copper Alloy UNS C31400, or Specification
B371/B371M, Copper Alloy UNS C69300, or Specification B283/B283M, Copper Alloy UNS C69850, or Specification
B283/B283M, Copper Alloy UNS C89844, Copper Alloy UNS No. C27450 or Standard EN 12164, Copper Alloy CW614N.
5.1.2 Machined Stainless Steel—Machined stainless steel cold-expansion fittings shall be made from material meeting the
requirements of Specification A312/A312M, stainless steel alloy 304L or 316L, or Specification A269/A269M, stainless steel alloy
304L or 316L, or Specification A276/A276M, stainless steel alloy 304L or 316L.
5.1.3 Machined Carbon Steel—Machined carbon steel cold-expansion fittings shall be made from material meeting the
requirements of Specification A108, Carbon Steel Alloy 1020 or 1025, or Specification A519, Carbon Steel Alloy 1020, or 1025
or 1026.
5.1.4 Forged Brass—Forged brass cold-expansion fittings shall be made from material meeting the requirements of Specification
B283/B283M, Copper Alloy UNS C37700 or UNS C89844, or Copper Alloy UNS No. C27450, or Copper Alloy UNS C69300,
or Copper Alloy UNS C69850, or Standard EN 12165, Copper Alloy CW617N.
5.1.5 Cast Copper Alloys—Cast copper alloy cold-expansion fittings shall be made from material meeting the requirements of
Specification B62 copper alloy UNS C83600, or Specification B584, copper-alloy UNS C83800, C84400 or C89844.
5.2 Compression-Sleeves—Metal compression-sleeves shall be made from one of the following materials:
5.2.1 Machined Brass—Machined brass compression-sleeves shall be made from material meeting the requirements of
Specification B16/B16M copper-alloy UNS C36000, or Standard EN 12168, Copper Alloy CW614N, or Copper Alloy UNS No.
C27450, or Standard EN 12165, Copper Alloy CW617N, or Specification B371/B371M, Copper Alloy UNS C69300, or Copper
Alloy UNS C69850.
5.2.2 Machined Stainless Steel—Machined stainless steel compression-sleeves shall be made from material meeting the
requirements of Specification A312/A312M, stainless steel alloy 304L or 316L, or Specification A269/A269M, stainless steel alloy
304L or 316L, or Specification A276/A276M, stainless steel alloy 304L or 316L.
5.3 Plating—Plating of either fitting component with nickel or chrome, or other metal is optional and must fall within the
dimensional tolerances of this specification. Plating can not negatively affect the quality of markings or the ability to meet S1.2.
5.3.1 Nickel Plating—Application of electroplated nickel coating shall meet the requirements of Specifications B689 and B851.
5.3.2 Chrome Plating—Application of electroplated chrome coating shall meet the requirements of Specification B851.
6. Performance Requirements
6.1 General—All performance tests shall be conducted on assemblies of fittings (cold-expansion fittings and compression-sleeves)
and pipe meeting the requirements of Specification F876 or F3253 in the case of PEX pipe, or Specification F2769 in the case of
PE-RT pipe. Fittings shall meet the material and dimensional requirements of this specification. Assembly of test specimens shall
be in accordance with 9.3. Each assembly shall contain at least two joints. Use separate sets of assemblies for each performance
test requirement.
6.2 Fittings manufactured according to this specification and intended for use with PEX pipe meeting the requirements of
Specification F876 or F3253, shall comply with the following performance requirements of Specification F877 . When a section
with an identical title appears in this Specification, it contains additional requirements that supplement those found in Specification
F877.
6.2.1 Requirements,
F2080 − 23
6.2.2 Test Methods, and
6.2.3 Retest and Rejection.
6.3 Fittings, manufactured according to this specification and intended for use with PE-RT pipe meeting the requirements of
Specification F2769, shall comply with the following performance requirements of Specification F2769. When a section with an
identical title appears in this Specification, it contains additional requirements that supplement those found in Specification F2769.
6.3.1 Requirements,
6.3.2 Test Methods, and
6.3.3 Retest and Rejection.
7. Dimensions
7.1 Dimensions and Tolerances—The dimensions and tolerances of the cold-expansion fittings and compression-sleeves, when
measured in accordance with 10.1, shall be as shown in Figs. 1 and 2.
7.1.1 Alignment—The maximum angular variation of any opening shall not exceed 1° off the true centerline axis.
7.1.2 Fittings with Solder-Joint Ends—Solder-joint end dimensions shall be in accordance with ASME B16.18, ASME B16.22,
or MSS SP-104.
7.1.3 Tapered Threaded-Ends—Fitting threads shall be right-hand, conforming to ASME B1.20.1, and shall be tapered threads
(NPT).
7.1.4 Straight Threaded-Ends—Fitting threads shall be right-hand, conforming to ASME B1.20.1, and shall be straight mechanical
threads (NPSM).
7.1.5 Inside Diameter—The minimum inside diameter, listed as Dimension F in Fig. 1, applies to the entire fitting not just the
insert area. When fitting has ends that are of different sizes or configurations (for example, threaded, solder), or both, the minimum
ID applies to entire insert area.
8. Workmanship, Finish, and Appearance
8.1 The fittings shall be made from materials that are homogeneous throughout. All sealing surfaces shall be smooth and free of
foreign material. The walls of cold-expansion fittings and compression-sleeves shall be free of cracks, holes, blisters, voids, foreign
inclusions, or other defects that are visible to the unaided eye and that affect wall integrity.
8.2 Splay—Molded polymer fittings shall be free of visible splay excepting some
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