ASTM F1281-01a
(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 , 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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Standards Content (Sample)
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An American National Standard
Designation: F 1281 – 01a
Standard Specification for
Crosslinked Polyethylene/Aluminum/Crosslinked
1
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. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
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1. Scope D 618 Practice for Conditioning Plastics and for Testing
2
D 883 Terminology Relating to Plastics
1.1 This specification covers a coextruded crosslinked poly-
D 1598 Test Method for Time-to-Failure of Plastic Pipe
ethylene composite pressure pipe with a welded aluminum tube
3
Under Constant Internal Pressure
reinforcement between the inner and outer layers. The inner
D 1599 Test Method for Resistance to Short-Time Hydrau-
and outer crosslinked polyethylene layers are bonded to the
3
lic Failure Pressure of Plastic Pipe, Tubing, and Fittings
aluminum tube by a melt adhesive. Included is a system of
D 1600 Terminology for Abbreviated Terms Relating to
nomenclature for the crosslinked polyethylene-aluminum-
2
Plastics
crosslinked polyethylene (PEX-AL-PEX) pipes, the require-
2
D 1898 Practice for Sampling of Plastics
ments and test methods for materials, the dimensions of the
D 2122 Test Method for Determining Dimensions of Ther-
component layers and finished pipe, adhesion tests, and the
3
moplastic Pipe and Fittings
burst and sustained pressure performance. Also given are the
D 2765 Test Methods for Determination of Gel Content and
requirements and methods of marking. The pipe covered by
4
Swell Ratio of Crosslinked Ethylene Plastics
this specification is intended for use in potable water distribu-
D 3350 Specification for Polyethylene Plastics Pipe and
tion systems for residential and commercial applications, water
4
Fittings Materials
service, underground irrigation systems, and radiant panel
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E 8 Test Methods for Tension Testing of Metallic Materials
heating systems, baseboard, snow- and ice-melt systems, and
3
F 412 Terminology Relating to Plastic Piping Systems
gases that are compatible with the composite pipe and fittings.
F 1282 Specification for Polyethylene/Aluminum/
1.2 This specification covers only composite pipes incorpo-
3
Polyethylene PE-AL-PE Composite Pressure Pipe
rating a welded aluminum tube. Pipes consisting of metallic
F 1974 Specification for Polyethylene/Aluminum/
layers not welded together are outside the scope of this
Polyethylene and Crosslinked Polyethylene/Aluminum/
specification.
3
Crosslinked polyethylene Composite Pressure Pipe
1.3 Specifications for connectors for use with pipe meeting
2.2 National Sanitation Foundation Standard:
the requirements of this specification are given in Annex A1.
Standard No. 61 Drinking Water System Components—
1.4 This specification excludes polyethylene-aluminum-
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Health Effects
polyethylene pipes (see Specification F 1282).
Standard No. 14 Plastics Piping System Components and
1.5 The values stated in SI units are to be regarded as the
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Related Materials
standard. The values given in parentheses are for information
2.3 Federal Standard:
only.
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Fed. Std. No. 123 Marking for Shipments (Civil Agencies)
1.6 The following precautionary caveat pertains only to the
2.4 Military Standard:
test methods portion, Section 9, of this specification: This
7
MIL-STD-129 Marking for Shipment and Storage
standard does not purport to address all of the safety concerns,
2.5 Uniform Classification Committee Standard:
if any, associated with its use. It is the responsibility of the user
8
Uniform Freight Classification
of this standard to establish appropriate safety and health
2.6 National Motor Freight Traffıc Association Standard:
practices and determine the applicability of regulatory limita-
tions prior to use.
2
Annual Book of ASTM Standards, Vol 08.01.
3
Annual Book of ASTM Standards, Vol 08.04.
2. Referenced Documents
4
Annual Book of ASTM Standards, Vol 08.02.
5
2.1 ASTM Standards:
Annual Book of ASTM Standards, Vol 03.01.
6
Available from the NSF International, 789 Dixboro Rd., Ann Arbor, MI 48105.
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Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
1
This specification is under the jurisdiction of ASTM Committee F17 on Plastic
Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
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Piping Systems and is the direct responsibility of Subcommittee F17.11 on
Available from the Uniform Classification Committee, Suite 1106, 222 South
Composite.
Riverside Plaza, Chicago, IL 60606.
Current edition approved April 10, 2001. Published May 2001. Originally
published as F 1281 – 90. Last previous edition F 1281 – 01.
Copyright © ASTM International, 100 Barr
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