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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.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
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 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 , 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, 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 for systems containing PEX pipe and Specification 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 , 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A108 Specification for Steel Bar, Carbon and Alloy, Cold-Finished
A269/A269M Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
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
ASME StandardsB16.18 B16.22 Wrought Copper Alloy Solder Joint Pressure Fittings (Inch)
NSF StandardsStandard No. 14
EN StandardsEN 12164 Copper and Copper AlloysRod for Free Machining Purposes Available from European Committee for Standardization (CEN), 36 rue de Stassart, B-1050, Brussels, Belgium, http://www.cenorm.be.
ICS Number Code 23.040.40 (Metal fittings)
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ASTM F2080-16, Standard Specification for Cold-Expansion Fittings with Metal Compression-Sleeves for Crosslinked Polyethylene (PEX) Pipe and SDR9 Polyethylene of Raised Temperature (PE-RT) Pipe, ASTM International, West Conshohocken, PA, 2016, www.astm.orgBack to Top