Supery ABS Pipe Fitting Co.,Ltd is the only one company which manufacture a complete line of ABS DWV fittings SCH40 according ASTM,CSA standard in China and get the cUPC certified NO.7606. Drain, waste and vent fittings (DWV) made from acrylonitrile-butadiene-styrene (ABS) are used for residential and commercial sanitary systems,They are very popular in North American. To help reduce component and project costs, we work with engineers, designers, plumbing and building officials, and of course, contractors providing comprehensive information regarding the application and installation of ABS DWV Fittings.Product Availability & HighlightsDiameters from 1 1/2" - 6"Hundreds of different fitting types availableSpecificationsMeets applicable ASTM standards: D2661, F1498, D3311 & D3965IAPMO approved