ASTM F2434 - 14

    Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing and SDR9 Cross-linked Polyethylene/Aluminum/Cross-linked Polyethylene (PEX-AL-PEX) Tubing

    Active Standard ASTM F2434 | Developed by Subcommittee: F17.10

    Book of Standards Volume: 08.04


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    Abstract

    This specification covers the requirements for materials, workmanship, dimensions, performance, and markings for metal insert fittings with o-ring seals and copper crimp rings for use with SDR9 cross-linked polyethylene and SDR9 cross-linked polyethylene/aluminum/cross-linked polyethylene tubing systems. The fittings shall be made from one of the following metals: cast copper alloys, machined brass, forged brass, crimp rings, or o-rings. Insert fittings shall be joined to the tubing by compression of a copper crimp ring around the outer circumference of the tubing, forcing the tubing material into annular spaces formed by ribs on the fitting. Performance tests shall be conducted on the assemblies to determine the material and dimensional requirements of the specimens. Marking shall be applied to the fittings in such a manner that it remains legible after installation and inspection.

    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. Scope

    1.1 This specification covers metal insert fittings with o-ring seals and copper crimp rings for use with Cross-linked Polyethylene (PEX) and Cross-linked Polyethylene/Aluminum/Cross-linked Polyethylene (PEX-AL-PEX) tubing in 1/2 , 3/4, 1, and 11/4 in. nominal diameters that meet the requirements for Specifications F876 and F2262. These fittings are intended for use in 125 psi (861.9 kPa) (PEX-AL-PEX) and 100 psi (689.5 kPa) (PEX) cold- and hot-water distribution systems operating at temperatures up to and including 180°F (82°C). Included are the requirements for materials, workmanship, dimensions, performance, and markings to be used on the fittings and rings.

    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 Compliance with this specification requires that these fittings be tested and certified to Specification F877 and F2262.

    1.4 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.

    ASTM Standards

    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 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

    D1600 Terminology for Abbreviated Terms Relating to Plastics

    D2122 Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings

    E18 Test Methods for Rockwell Hardness of Metallic Materials

    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

    F2262 Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Tubing OD Controlled SDR9

    ASME Standards

    B16.22 Wrought Copper and Copper Alloy Solder Joint Pressure Fittings

    NSF International Standards

    NSF/ANSI61 Drinking Water System Components-Health Effects


    ICS Code

    ICS Number Code 23.040.45 (Plastic fittings)

    UNSPSC Code

    UNSPSC Code 40183000(Rubber and plastic tubing)


    Referencing This Standard

    DOI: 10.1520/F2434-14

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM F2434-14, Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing and SDR9 Cross-linked Polyethylene/Aluminum/Cross-linked Polyethylene (PEX-AL-PEX) Tubing, ASTM International, West Conshohocken, PA, 2014, www.astm.org

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