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IAPMO IGC 309-2014 Polyethylene/Aluminium/Crosslinked Polyethylene (PE-AL-PEX) Composite Pipes

IAPMO IGC 309-2014 Polyethylene/Aluminium/Crosslinked Polyethylene (PE-AL-PEX) Composite Pipes
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0 Introduction

This Standard was developed and is intended for the India market.

1 Scope

1.1 Scope

1.1.1

This Standard covers co-extruded polyethylene/aluminium/crosslinked polyethylene (PE-AL-PEX) composite pipes comprising a welded aluminium (AL) tube laminated by a melt adhesive to an outside layer of polyethylene (PE) and an inside layer of crosslinked polyethylene (PEX) in nominal sizes 1216, 1620, 2025, 2532, 3240, 4050, 5063, 6375, 7590, and 90110 and specifies requirements for materials, physical characteristics, performance testing, and markings.
Note: The first two digits of the nominal size indicate the approximate inside diameter, in mm, and the following digits indicate the nominal outside diameter, also in mm. For example, a 2025 pipe means the inside diameter is approximately 20 mm and the outside diameter is approximately 25 mm.

1.1.2

PE-AL-PEX composite pipes covered by this Standard are intended for use in
(a) residential and commercial water supply systems;
(b) residential heating systems;
(c) compressed air systems; and
(d) transportation of chemicals.
Note: The pipe manufacturer should be contacted prior to use of PE-AL-PEX pipe for transportation of chemicals, to evaluate the compatibility of the inside PEX layer with the chemical(s) intended to be transported and the pressure rating of the pipe with respect to the chemical(s).

1.1.3

PE-AL-PEX composite pipes covered by this Standard are rated for
(a) 1,200 kPa at 23 ºC;
(b) 800 kPa at 80 ºC; and
(c) 500 kPa at 95 ºC.

1.1.4

This Standard does not cover
(a) PE-AL-PEX composite pipes consisting of metallic layers not welded together; and
(b) fittings and connectors.


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