ASTM F1281-02e1
(Specification)Standard Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene (PEX-AL-PEX) Pressure Pipe
Standard Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene (PEX-AL-PEX) Pressure Pipe
SCOPE
1.1 This specification covers a coextruded crosslinked polyethylene composite pressure pipe with a welded aluminum tube reinforcement between the inner and outer layers. The inner and outer crosslinked polyethylene layers are bonded to the aluminum tube by a melt adhesive. Included is a system of nomenclature for the crosslinked polyethylene-aluminum-crosslinked polyethylene (PEX-AL-PEX) pipes, the requirements and test methods for materials, the dimensions of the component layers and finished pipe, adhesion tests, and the burst and sustained pressure performance. Also given are the requirements and methods of marking.
1.2 This specification covers only composite pipes incorporating a welded aluminum tube. Pipes consisting of metallic layers not welded together are outside the scope of this specification.
1.3 Specifications for connectors for use with pipe meeting the requirements of this specification are given in Annex A1.
1.4 This specification excludes polyethylene-aluminum-polyethylene pipes (see Specification F 1282).
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.6 The following precautionary caveat pertains only to the test methods portion, Section 9, 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.
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Please contact ASTM International (www.astm.org) for the latest information.
An American National Standard
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Designation: F 1281 – 02
Standard Specification for
Crosslinked Polyethylene/Aluminum/Crosslinked
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Polyethylene (PEX-AL-PEX) Pressure Pipe
This standard is issued under the fixed designation F 1281; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
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´ NOTE—Section 1.1 was editorially updated and Note A2.1 was reinstated in June 2002.
1. Scope 2. Referenced Documents
1.1 Thisspecificationcoversacoextrudedcrosslinkedpoly- 2.1 ASTM Standards:
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ethylenecompositepressurepipewithaweldedaluminumtube D618 Practice for Conditioning Plastics for Testing
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reinforcement between the inner and outer layers. The inner D883 Terminology Relating to Plastics
and outer crosslinked polyethylene layers are bonded to the D1598 Test Method for Time-to-Failure of Plastic Pipe
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aluminum tube by a melt adhesive. Included is a system of Under Constant Internal Pressure
nomenclature for the crosslinked polyethylene-aluminum- D1599 Test Method for Resistance to Short-Time Hydrau-
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crosslinked polyethylene (PEX-AL-PEX) pipes, the require- lic Pressure of Plastic Pipe, Tubing, and Fittings
ments and test methods for materials, the dimensions of the D1600 Terminology for Abbreviated Terms Relating to
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component layers and finished pipe, adhesion tests, and the Plastics
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burst and sustained pressure performance. Also given are the D1898 Practice for Sampling of Plastics
requirements and methods of marking. The pipe covered by D2122 Test Method for Determining Dimensions of Ther-
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this specification is intended for use in potable water distribu- moplastic Pipe and Fittings
tionsystemsforresidentialandcommercialapplications,water D2765 TestMethodsforDeterminationofGelContentand
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service, underground irrigation systems, and radient panel Swell Ratio of Crosslinked Ethylene Plastics
heating systems, baseboard, snow- and ice-melt systems, and D3350 Specification for Polyethylene Plastics Pipe and
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gases that are compatible with the composite pipe and fittings. Fittings Materials
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1.2 This specification covers only composite pipes incorpo- E8 TestMethodsforTensionTestingofMetallicMaterials
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rating a welded aluminum tube. Pipes consisting of metallic F412 Terminology Relating to Plastic Piping Systems
layers not welded together are outside the scope of this F 1282 Specification for Polyethylene/Aluminum/
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specification. Polyethylene (PE-AL-PE) Composite Pressure Pipe
1.3 Specifications for connectors for use with pipe meeting F 1974 Specification for Metal Insert Fittings for
the requirements of this specification are given in Annex A1. Polyethylene/Aluminum/Polyethylene and Crosslinked
1.4 This specification excludes polyethylene-aluminum- Polyethylene/Aluminum/Crosslinked Polyethylene Com-
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polyethylene pipes (see Specification F1282F1282). posite Pressure Pipe
1.5 The values stated in SI units are to be regarded as the 2.2 National Sanitation Foundation Standard:
standard. The values given in parentheses are for information Standard No. 61 Drinking Water System Components—
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only. Health Effects
1.6 The following precautionary caveat pertains only to the Standard No. 14 Plastics Piping System Components and
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test methods portion, Section 9, of this specification: This Related Materials
standard does not purport to address all of the safety concerns, 2.3 Federal Standard:
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if any, associated with its use. It is the responsibility of the user Fed. Std. No. 123 Marking for Shipments (CivilAgencies)
of this standard to establish appropriate safety and health 2.4 Military Standard:
practices and determine the applicability of regulatory limita-
tions prior to use.
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Annual Book of ASTM Standards, Vol 08.01.
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Annual Book of ASTM Standards, Vol 08.04.
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Annual Book of ASTM Standards, Vol 08.03.
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This specification is under the jurisdiction ofASTM Committee F17 on Plastic Annual Book of ASTM Standards, Vol 03.01.
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Piping Systems and is the direct responsibility of Subcommittee F17.11 on Available from the NSF International, 789 N. Dixboro Rd., Ann Arbor, MI
Composite. 48113-0140.
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Current edition approved Apr. 10, 2002. Published May 2002. Originally AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
published as F1281–90. Last previous edition F1281–01a. Robbins Ave., Philadelphia, PA 19111-5098, Attn: NPODS.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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