COPPER TUBE HARD TYPE DWV 1-½" TUBE x 12' LENGTH
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Seamless copper tube used for sanitary drainage, waste and vent systems in plumbing applications is often referred to as DWV tube and is manufactured to the requirements of ASTM B 306 Standard Specification for Copper Drainage Tube (DWV). DWV tube is manufactured from alloy C12200 that is 99.9% copper (Cu) and has a phosphorous (P) content of between 0.015% to 0.040%. DWV copper tube is furnished in H58 drawn (hard) temper only, in sizes 1¼" through 8". The standard length for DWV tube is 12 foot, however other lengths may be provided through prior agreement between the purchaser and the manufacturer. DWV copper tube shall be identified in two manners. The first is by an incised mark, at intervals not greater than 1½ feet, containing the manufacturers name or trademark and DWV. The second is by a continuous yellow stripe containing the manufacturer’s name or trademark, the nation of origin and DWV to be repeated at intervals not greater than 3 feet. Soldering of drainage pattern fittings meeting the ASME/ANSI B16.23 or B16.29 standards is the usual manner for joining DWV tube.
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