A系列 B系列 SCH 5S SCH 10S SCH 20S LG SCH 20 SCH 30 STD SCH 40 SCH 60 XS SCH 80 SCH 100 SCH 120 SCH 140 15 21.3 18 1.6 2.1 2.6 2.9 3.6 4.5 20 26.9 25 1.6 2.1 2.6 3.6 4.0 5.6 25 33.7 32 1.6 2.8 3.2 3.2 4.5 6.3 32 42.4 38 1.6 2.8 3.2 3.6 5.0 7.1 40 48.3 45 1.6 2.8 3.2 3.6 5.0 7.1 50 60.3 57 1.6 2.8 3.6 3.2 4.0 5.6 8.8 65 76.1 73 2.0 3.0 3.6 4.5 5.0 7.1 10.0 80 88.9 89 2.0 3.0 4.0 4.5 5.6 8.0 11.0 90 101
DN-公称直径 Ф-外径 DN15-ф22mm, DN20-ф27mm DN25-ф34mm, DN32-ф42mm DN40-ф48mm, DN50-ф60mm DN65-ф76(73)mm, DN80-ф89mm DN100-ф114mm, DN125-ф140mm DN150-ф168mm,DN200-ф219mm DN250-ф273mm,DN300-ф324mm DN350-ф360mm,DN400-ф406mm DN450-ф457mm,DN500-ф508mm DN600-ф610mm, DN15-ф18mm,DN20-ф25mm DN25-ф32mm,DN32-ф38mm DN40-ф45mm,DN50-ф57mm DN65-ф73mm,DN80-ф89mm DN100-ф108mm,DN125-ф133mm DN150-ф159mm,DN200