ASTM F2262 PDF

Standard Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Tubing OD Controlled SDR9 (Withdrawn 2018)

ASTM F2262 – Standard Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Tubing OD Controlled SDR9 (Withdrawn 2018)

1.1 This specification covers establishes requirementsfor coextruded crosslinked polyethylene multi-layer pressure tubing with acontinuously welded aluminum tube construction between inner and outer layersof plastic. The inner and outer crosslinked polyethylene layers are bondedto the aluminum by a melt adhesive. The tubing is outside diameter controlledand made in one standard dimension ratio, SDR9 and is intended to be usedfor hot and cold water conveyance in applications up to 180°F (82.2°C).Included in this specification is a system of nomenclature for crosslinkedpolyethylene-aluminum-crosslinked polyethylene (PEX-AL-PEX) tubes, and therequirements and test methods for materials, dimensions of component layersand the finished tubing, layer adhesion test, weld strength, short-term burstpressure, long-term sustained pressure and marking requirements. The tubingcovered by this specification is intended for use in potable water distributionsystems for residential and commercial applications, water service, hydronicradiant heating (HRH), radiant panel heating, baseboard, and snow melt systems.

1.2 This specification covers only plastic-metal-plasticmulti-layer tubes incorporating a continuous welded aluminum tube. Tubingconsisting of metallic layers not welded together is outside the scope ofthis specification.

1.3 Units – The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 Specifications for connectors for use with pipemeeting the requirements of this specification are given in Annex A1.

1.5 The following precautionary caveatpertains only to the test method portion, Section 9, ofthis specification. This standard does not purport to address all ofthe safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practicesand determine the applicability of regulatory requirements prior to use.