UPVC ASTM PIPES UPVC pipes (ASTIM D-1785 Sch. 40, 80 and D-2241 SDR SERIES) Classic uPVC pipes according to ASTM D-1785 (SCH-40 & 80, and D-2241 SDR Series) has excellent chemical resistance across their operating temperature range, with a broad band of operating pressure. Due to their long term strength characteristics, high stiffness and cost…