ASTM-F1281:2011 Edition

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F1281-11 Standard Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene (PEX-AL-PEX) Pressure Pipe

Published By	Publication Date	Number of Pages
ASTM	2011	11

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Categories: 23.040.20 - Plastics pipes, ASTM

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Description

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. The pipe covered by this specification is intended for use in potable water distribution systems for residential and commercial applications, water service, underground irrigation systems, and radient panel heating systems, baseboard, snow- and ice-melt systems, and gases that are compatible with the composite pipe and fittings.

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 F1282 ).

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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PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology Pipe Classification Materials Requirements TABLE 1
3	Workmanship Sampling and Conditioning Test Methods TABLE 2
4	FIG. 1 TABLE 3 TABLE 4
5	TABLE 5 FIG. 2 FIG. 3
6	Quality Assurance Marking Keywords FIG. 4
8	FIG. S1
9	A1. CONNECTORS A1.1 A1.2 A1.3 A2. PERFORMANCE REQUIREMENTS OF CONNECTORS A2.1 General A2.2 Hydrostatic Burst A2.3 Hydrostatic Sustained Pressure Strength A2.4 Thermocycling A2.5 Excessive Temperature–Pressure Capability TABLE A2.1
10	A2.6 Test Methods A2.7 Product Marking of Connectors
11	X1. PRESSURE RATING X1.1 X1.2 X2. STORAGE X2.1 X3. JOINING X3.1 X3.2 X3.3

Additional information

Standard Title	F1281-11 Standard Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene (PEX-AL-PEX) Pressure Pipe
Published Code	ASTM
Publication Date	2011
Pages Count	11
ICS Codes	23.040.20 - Plastics pipes

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ASTM-F1281:2011 Edition

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