压力管道标准
规格
DN-公称直径
Ф-外径
DN-公称直径
Ф-外径
大外径系列
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,
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,