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-фmm
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-фmm
DN100-ф108mm
DN125-ф133mm
DN150-ф159mm
DN200-ф219mm
DN250-ф273mm
DN300-ф325mm
DN350-ф377mm
DN400-ф426mm
DN450-ф480mm
DN500-ф530mm
DN600-ф630
