ASTM F3346-19

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 −19 An American National Standard
Standard Specification for
Polyethylene of Raised Temperature/Aluminum/Polyethylene
of Raised Temperature (PERT/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 1.6 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
1.1 This specification covers a coextruded polyethylene
responsibility of the user of this standard to establish appro-
composite pressure pipe with a butt welded aluminum tube
priate safety, health, and environmental practices and deter-
reinforcement between the inner and outer layers. The inner
mine the applicability of regulatory limitations prior to use.
and outer polyethylene layers are bonded to the aluminum tube
1.7 This international standard was developed in accor-
by a melt adhesive. Included is a system of nomenclature for
dance with internationally recognized principles on standard-
thepolyethylene-aluminum-polyethyleneofraisedtemperature
ization established in the Decision on Principles for the
(PERT/AL/PE-RT) pipes, the requirements and test methods
Development of International Standards, Guides and Recom-
for materials, the dimensions and strengths of the component
mendations issued by the World Trade Organization Technical
tubes and finished pipe, adhesion tests, and the burst and
Barriers to Trade (TBT) Committee.
sustained pressure performance. Also given are the require-
ments and methods of marking. The pipe covered by this
2. Referenced Documents
specification is intended for use in air conditioning and
2
2.1 ASTM Standards:
refrigeration (ACR), underground irrigation systems, radiant
D618 Practice for Conditioning Plastics for Testing
panel heating systems, baseboard, snow- and ice-melt systems,
D1598 Test Method for Time-to-Failure of Plastic Pipe
and gases that are compatible with composite pipe.
Under Constant Internal Pressure
1.2 This specification relates only to composite pipes incor-
D1599 Test Method for Resistance to Short-Time Hydraulic
porating a butt welded aluminum tube having both internal and
Pressure of Plastic Pipe, Tubing, and Fittings
external polyethylene layers. The welded aluminum tube is
D1600 Terminology forAbbreviatedTerms Relating to Plas-
capable of sustaining internal pressures. Pipes consisting of
tics
metalliclayersnotbuttweldedtogetherandplasticlayersother
D2122 Test Method for Determining Dimensions of Ther-
than polyethylene are outside the scope of this specification.
moplastic Pipe and Fittings
D2837 Test Method for Obtaining Hydrostatic Design Basis
1.3 Specifications for fittings for use with pipe meeting the
forThermoplasticPipeMaterialsorPressureDesignBasis
requirements of this specification are given in Annex A1.
for Thermoplastic Pipe Products
1.4 This specification excludes crosslinked polyethylene-
D3350 Specification for Polyethylene Plastics Pipe and Fit-
aluminum-crosslinked polyethylene pipes (see Specification
tings Materials
F1281).
D3895 Test Method for Oxidative-Induction Time of Poly-
olefins by Differential Scanning Calorimetry
1.5 Units—The values stated in SI units are to be regarded
E8/E8M Test Methods for Tension Testing of Metallic Ma-
as standard. The values given in parentheses after SI units are
terials
provided for information only and are not considered standard.
F412 Terminology Relating to Plastic Piping Systems
1
This specification is under the jurisdiction ofASTM Committee F17 on Plastic
2
Piping Systems and is the direct responsibility of Subcommittee F17.11 on For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Composite. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved June 1, 2019. Published June 2019. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
F3346–19 the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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F3346−19
F1281 Specification for Crosslinked Polyethylene/ 3.2.1 assembly, n—a system made up of pipe, fittings,
Aluminum/Crosslinked Polyethylene (PEX-AL-PEX) flanges, valves, or other piping components.
Pressure Pipe
3
4. Pipe Classification
2.2 ASHRAE Standard:
ASHRAE Standard 15 Saf
...