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IAPMO IS 31-2014 Installation Standard for PEX Tubing Systems for Hot- and Cold-Water Distribution

IAPMO IS 31-2014 Installation Standard for PEX Tubing Systems for Hot- and Cold-Water Distribution
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1 Scope

1.1 General

1.1.1
This Standard specifies requirements for the installation of SDR 9 CTS crosslinked polyethylene (PEX) tubing and fittings, including cold-expansion, crimp, press, and mechanical compression fittings, intended for hot- and cold-water distribution systems within buildings.

1.1.2 This Standards applies to
(a) SDR 9 CTS PEX tubing complying with ASTM F876 and pressure-rated in accordance with PPIĀ TR-3; and
(b) PEX fitting systems complying with
(i) ASTM F877, for mechanical compression fittings and metal or plastic insert fittings with stainless steel press sleeves;
(ii) ASTM F1807 or ASTM F2159, for metal or plastic insert fittings with copper crimp rings;
(iii) ASTM F1960, for cold expansion fittings with PEX reinforced rings; or
(iv) ASTM F2080, for cold expansion fittings with metal compression sleeves.


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