ASTM F3346-24
(Specification)Standard Specification for Polyethylene of Raised Temperature/Aluminum/Polyethylene of Raised Temperature (PE-RT/AL/PE-RT) Composite Pressure Pipe
Standard Specification for Polyethylene of Raised Temperature/Aluminum/Polyethylene of Raised Temperature (PE-RT/AL/PE-RT) Composite Pressure Pipe
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), underground irrigation systems, radiant panel heating systems, baseboard, snow- and ice-melt systems, and gases that are compatible with composite pipe.
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 Specifications for fittings for use with pipe meeting the requirements of this specification are given in Annex A1.
1.4 This specification excludes crosslinked polyethylene-aluminum-crosslinked polyethylene pipes (see Specification F1281).
1.5 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.
1.6 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.
1.7 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.
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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: F3346 − 24 An American National Standard
Standard Specification for
Polyethylene of Raised Temperature/Aluminum/Polyethylene
of Raised Temperature (PE-RT/AL/PE-RT) Composite
1
Pressure Pipe
This standard is issued under the fixed designation F3346; 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* priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
1.1 This specification covers a coextruded polyethylene
1.7 This international standard was developed in accor-
composite pressure pipe with a butt welded aluminum tube
dance with internationally recognized principles on standard-
reinforcement between the inner and outer layers. The inner
ization established in the Decision on Principles for the
and outer polyethylene layers are bonded to the aluminum tube
by a melt adhesive. Included is a system of nomenclature for Development of International Standards, Guides and Recom-
the polyethylene-aluminum-polyethylene of raised temperature mendations issued by the World Trade Organization Technical
(PE-RT/AL/PE-RT) pipes, the requirements and test methods Barriers to Trade (TBT) Committee.
for materials, the dimensions and strengths of the component
tubes and finished pipe, adhesion tests, and the burst and
2. Referenced Documents
sustained pressure performance. Also given are the require-
2
2.1 ASTM Standards:
ments and methods of marking. The pipe covered by this
D618 Practice for Conditioning Plastics for Testing
specification is intended for use in air conditioning and
D1598 Test Method for Time-to-Failure of Plastic Pipe
refrigeration (ACR), underground irrigation systems, radiant
Under Constant Internal Pressure
panel heating systems, baseboard, snow- and ice-melt systems,
D1599 Test Method for Resistance to Short-Time Hydraulic
and gases that are compatible with composite pipe.
Pressure of Plastic Pipe, Tubing, and Fittings
1.2 This specification relates only to composite pipes incor-
D1600 Terminology for Abbreviated Terms Relating to Plas-
porating a butt welded aluminum tube having both internal and 3
tics (Withdrawn 2024)
external polyethylene layers. The welded aluminum tube is
D2122 Test Method for Determining Dimensions of Ther-
capable of sustaining internal pressures. Pipes consisting of
moplastic Pipe and Fittings
metallic layers not butt welded together and plastic layers other
D2837 Test Method for Obtaining Hydrostatic Design Basis
than polyethylene are outside the scope of this specification.
for Thermoplastic Pipe Materials or Pressure Design Basis
1.3 Specifications for fittings for use with pipe meeting the
for Thermoplastic Pipe Products
requirements of this specification are given in Annex A1.
D3350 Specification for Polyethylene Plastics Pipe and Fit-
tings Materials
1.4 This specification excludes crosslinked polyethylene-
D3895 Test Method for Oxidative-Induction Time of Poly-
aluminum-crosslinked polyethylene pipes (see Specification
olefins by Differential Scanning Calorimetry
F1281).
E8/E8M Test Methods for Tension Testing of Metallic Ma-
1.5 Units—The values stated in SI units are to be regarded
terials
as standard. The values given in parentheses after SI units are
F412 Terminology Relating to Plastic Piping Systems
provided for information only and are not considered standard.
F1281 Specification for Crosslinked Polyethylene/
1.6 This standard does not purport to address all of the
Aluminum/Crosslinked Polyethylene (PEX-AL-PEX)
safety concerns, if any, associated with its use. It is the
Pressure Pipe
responsibility of the user of this standard to establish appro-
1 2
This specification is under the jurisdiction of ASTM Committee F17 on Plastic For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Piping Systems and is the direct responsibility of Subcommittee F17.11 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Composite. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved Feb. 1, 2024. Published February 2024. Originally the ASTM website.
3
approved in 2019. Last previous edition approved in 2019 as F3346–19. DOI: The last approved version of this historical standard is referenced on
10.1520/F3346–24 www.astm.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C70
...
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: F3346 − 19 F3346 − 24 An American National Standard
Standard Specification for
Polyethylene of Raised Temperature/Aluminum/Polyethylene
of Raised Temperature (PERT/AL/PE-RT)(PE-RT/AL/PE-RT)
1
Composite Pressure Pipe
This standard is issued under the fixed designation F3346; 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 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 (PERT/AL/PE-RT)(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), underground
irrigation systems, radiant panel heating systems, baseboard, snow- and ice-melt systems, and gases that are compatible with
composite pipe.
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 Specifications for fittings for use with pipe meeting the requirements of this specification are given in Annex A1.
1.4 This specification excludes crosslinked polyethylene-aluminum-crosslinked polyethylene pipes (see Specification F1281).
1.5 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.
1.6 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.
1.7 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.
1
This specification is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsibility of Subcommittee F17.11 on Composite.
Current edition approved June 1, 2019Feb. 1, 2024. Published June 2019February 2024. Originally approved in 2019. Last previous edition approved in 2019 as F3346–19.
DOI: 10.1520/F3346–1910.1520/F3346–24
*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
1
---------------------- Page: 1 ----------------------
F3346 − 24
2. Referenced Documents
2
2.1 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
3
D1600 Terminology for Abbreviated Terms Relating to Plastics (Withdrawn 2024)
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
4
2.2 ASHRAE Standard:
ASHRAE
...
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