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0,500" 0,360" <br />/ (OD) <br />3/8" <br />0.485' <br />144 <br />0.625" <br />(00) • <br />P. <br />WALL <br />IP" <br />0.914" <br />Pp) <br />0-750" , <br />(OM <br />INA1.1 <br />5/8" <br />0475' , 0,6211‘ (00) (ID) <br />1.425" 0375" <br />, <br />, 0497" <br />3/4" <br />' 0.125" <br />INALt. <br />3/6/2018 PEX tubing technical specifications and general installation practices <br />800-818-3201 Sign In Check Order Status Contact Us <br />FREE SHIPPING <br />ON otteses °vest $99 Enter Part# or keyword <br />PEX SUPPLIES HEATING SUPPLIES PLUMEiNG EiLiPPLIES PUMP'S VALVES FITTKG8 VIVAC.,& lAQ BRANDS <br />.1-lorne PEX Tubing Technical Specifications and General installation Recommendations <br />PEX Tubing Technical Specifications and General Installation Recommendations <br />Since all PEX tubing used in the US is manufactured to the same ASTM and dimensional (SDR) standards, these specifications are universal. <br />Manufacturing tolerances and other details can be found in manufacturers manuals, <br />Dimensional data and specifications <br />PEX Tubing size <br />(CTSINominal) <br />Outside Diameter <br />(OD) <br />, Inside Diameter Minimum wall thickness i (ID) Volume gal/100ft Weight lbstl 00ft <br />/8' 0.500' 0.070" 0.360" I <br />1 0.50 4.50 <br />1/2' 0.625' I 0.070" 10.485' 0.92 5.80 <br />5/8" 0.750" 1 <br />0.083" j0.584" 1.34 8.38 <br />4' 0.875" 0.097" 10.681" 1.83 11,00 <br />1" <br />" Numbers are anDroximato <br />1.125" 0.125" 0.875" 3.03 17.06 <br />and non-barrier PEX. <br /> rances anc may vary by brand. Same data applies both to oxygen barrier <br />Notes: <br />PEX tubing sizes are denoted by CT'S (copper tubing size), not OD (Outside Diameter) or ID (Inside Diameter). <br />00 of PEX, copper and CPVC pipe with the same size (CTS) is the same. This is why push fittings can be used with all of these pipes. <br />PEX made to US standards must comply with a SDR-9 (Standard Dimension Ratio), which is the ratio of OD (Outside Diameter) to pipe wall thickness <br />(9:1). Exceptions are nominal sizes 1/2" end below. <br />Pressure ratings, testing and pressure drop <br />PEX Tubing <br />Pressure Ratings Pressure testing - Hydronic & Radiant Heating Pressure testing - Hot & Cold Water Plumbing <br />2006F at BO psi <br />180°F at 100 psi <br />74°F at 160 psi <br />3 times the maximum working pressure or a minimum of 40 <br />psi, but no greater than 100 psi. <br />Duration: 30 minutes minimum, 2 hours recommended <br />1,5 times the maximum working pressure but no greater than pipe's <br />pressure rating at given temperature. <br />Duration: 30 minutes minimum, 2 hours recommended <br />Notes: <br />Maximum working pressure indicates highest anticipated operating pressure. <br />Pressure testing requirements and procedures should be in compliance with local codes and PEX manufacturer's instructions. <br />Air pressure testing is recommended over water for practical reasons and due to difficulties arising from water freezing during winter months. <br />Since PEX is a flexible pipe, it wilt expand somewhat (especially PEX-a) during the initial pressurizing of the system, causing a drop in pressure reading. <br />Some manufacturers recommend 'conditioning" of the system, or allowing the PEX system to stay pressurized for about 30 minutes prior to taking a <br />reading. <br />For concrete slabs, pressure is maintained at 30 psi during the pour and is monitored to assure integrity of the system. <br />file:///0/Users/FatimaiDesktoplpex.html 1/3