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0.485" <br />OD} <br />0.625" (00) <br />osor 036r faD) <br />0.584" <br />(ID) <br />1.125" 0.875" <br />0.750" 0.875" 0481" {0111) (ID) <br />(00) (ID) <br />3/6/2018 <br />800-818-3201 <br />PEX tubing technical specifications and general installation practices <br />Sign In I Med( Order Status I Contact Us <br />FREE SHIPPING <br />ON ORDERS OVER $99 Enter Part # or keyword <br />PEX P-1C7 s'1-11•!..7 C.1 <br />Home PEX Tubing Technical Specifications and General Installation Recommendations <br />PEX Tubing Technical Specifications and General Installation Recommendations <br />Since all -. used in the US is manufactured to the same ASTM and dimensional (SDR) standards, these specifications are universal. <br />Manufactunna tolerances and other details can be found in manufacturers manuals. <br />Dimensional data and specifications <br />titer - • WAIL <br />ir <br />0.070" <br />WALL <br />5/8" <br />0.083" WALL <br />3/4" <br />0.097" <br />WALL <br />1- <br />0.125" <br />WAll <br />PEX Tubing size <br />(CTS/Nominal) <br />Outside Diameter <br />(OD) Minimum wall thickneSS Inside Diameter <br />(ID) <br />Volume gal/100ft Weight lbs1100ft <br />0.500" 0.070" 0_360" 0_50 4.50 <br />1/2" 0.625" 0.070" 0.485" : 0.92 5.80 <br />0.750" 0.083" 0.584' 1.34 8.38 <br />' 0.875" 0.097' 0.681' 1.83 11.00 <br />" 1.125" <br />. - . _. <br />0.125' 0.875" 3.03 17.06 <br />and non-banier PEX. <br />ulrernents Ulmensionaldata is subject to manufacturing tolerances and may vary by brand. Same data apples both to oxygen barrier <br />Notes: <br />PEX tubing sizes are denoted by CTS (copper tubing size). not OD (Outside Diameter) or ID (Inside Diameter). <br />OD 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 SDIR-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" and below. <br />Pressure ratings, testing and pressure drop <br />PEX Tubing <br />Pressure Ratings <br />200°F at 80 psi <br />180°F at 100 psi <br />74°F at 160 psi <br />Pressure testing - Hydronic & Radiant Heating <br />3 times the maximum working pressure or a minimum of 40 <br />psi, but no greater than 100 psi_ <br />Pressure testing - Hot & Cold Water Plumbing <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 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 will 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:MCILisers/Fatima/Desktop/pex.html 1/3