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    ASTM F3506 - 21e1

    Standard Specification for Standard Specification for Polyethylene of Raised Temperature/Aluminum/Polyethylene of Raised Temperature (PE-RT/AL/PE-RT) Composite Pressure Pipe based on Inner Diameter (ID) for use in Air Conditioning and Refrigeration Line Set Systems

    Active Standard ASTM F3506 | Developed by Subcommittee: F17.11

    Book of Standards Volume: 08.04


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    1. Scope

    1.1 This specification covers a coextruded polyethylene composite pressure pipe with a butt welded aluminum tube reinforcement between the inner and outer layers. The inner and outer polyethylene layers are bonded to the aluminum tube by a melt adhesive. Included is a system of nomenclature for the polyethylene-aluminum-polyethylene of raised temperature (PE-RT/AL/PE-RT) pipes, the requirements and test methods for materials, the dimensions and strengths of the component tubes and finished pipe, adhesion tests, and the burst and sustained pressure performance. Also given are the requirements and methods of marking. The pipe covered by this specification is intended for use in air conditioning and refrigeration (ACR) line set systems.

    1.2 This specification relates only to composite pipes incorporating a butt welded aluminum tube having both internal and external polyethylene layers. The welded aluminum tube is capable of sustaining internal pressures. Pipes consisting of metallic layers not butt welded together and plastic layers other than polyethylene are outside the scope of this specification.

    1.3 The dimensions in this specification are ID controlled to match that of ACR Copper Tube so that the flowrate and volume remains the same on a size-for-size basis.

    1.4 Specifications for fittings for use with pipe meeting the requirements of this specification are given in Annex A1.

    1.5 This specification excludes crosslinked polyethylene-aluminum-crosslinked polyethylene pipes (see Specification F1281).

    1.6 This specification tests the pipe for service at 60 °C ± 2 °C (140 °F ± 3 °F) or 82 °C ± 2 °C (180 °F ± 3 °F).

    1.7 Units—The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

    1.8 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.

    1.9 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    Uniform Classification Committee

    Uniform Freight Classification

    National Motor Freight Association Standard

    National Motor Freight Classification

    PPI Standards

    ASTM Standards

    D618 Practice for Conditioning Plastics for Testing

    D1598 Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal Pressure

    D1599 Test Method for Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing, and Fittings

    D1600 Terminology for Abbreviated Terms Relating to Plastics

    D2122 Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings

    D2837 Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials or Pressure Design Basis for Thermoplastic Pipe Products

    D3350 Specification for Polyethylene Plastics Pipe and Fittings Materials

    D3895 Test Method for Oxidative-Induction Time of Polyolefins by Differential Scanning Calorimetry

    E8/E8M Test Methods for Tension Testing of Metallic Materials

    F412 Terminology Relating to Plastic Piping Systems

    F1281 Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene (PEX-AL-PEX) Pressure Pipe

    Underwriters Laboratory Standards

    UL 1963 Refrigerant Recovery/Recycling Equipment

    UL 207 Refrigerant-Containing Components and Accessories

    Military Standard

    MIL-STD-129 Marking for Shipment and Storage

    ASHRAE Standard

    ASHRAE Standard 15 Safety Standard for Refrigeration Systems

    Federal Standard

    Fed. Std. No. 123 Marking for Shipments (Civil Agencies)


    Referencing This Standard
    Link Here
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    DOI: 10.1520/F3506-21E01

    Citation Format

    ASTM F3506-21e1, Standard Specification for Standard Specification for Polyethylene of Raised Temperature/Aluminum/Polyethylene of Raised Temperature (PE-RT/AL/PE-RT) Composite Pressure Pipe based on Inner Diameter (ID) for use in Air Conditioning and Refrigeration Line Set Systems, ASTM International, West Conshohocken, PA, 2021, www.astm.org

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