Standard Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene (PEX-AL-PEX) Pressure Pipe
|Publication Date:||15 September 2011|
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
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.
Specifications for connectors for use with pipe meeting the requirements of this specification are given in Annex A1.
This specification excludes polyethylene-aluminu
The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
*A Summary of Changes section appears at the end of this standard.