管徑DN與De的區別有哪些?


管徑DN與De的區別有哪些?

2021-01-14 煤化工114論壇

d– 混凝土管公稱直徑
ф– 無縫鋼管公稱直徑,其規格爲,如ф100:108 × 4

DN15-ф22mm,DN20-ф27mm,

DN25-ф34mm,DN32-ф42mm,

DN40-ф48mm,DN50-ф60mm,

DN65-ф76(73)毫米,DN80-ф89毫米,

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-ф219mm,DN250-ф273mm,

DN300-ф325毫米DN350-377毫米

DN400-ф426mm,DN450-ф480mm,

DN500-ф530mm,DN600-ф630mm。