- 2024-05-01Ilovesmile
pvc下水管尺寸
DN的含义:代表管材的公称直径
字符Ф:代表管材的外径表示
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-ф219mm
DN250-ф273mm,
DN300-ф325mm
DN350-ф377mm,
DN400-ф426mm
DN450-ф480mm,
DN500-ф530mm
DN600-ф630mm
管材为无缝钢管的管子的外径用,字母D来表示,其后附加外直径的尺寸和壁厚,例如外径为108的无缝钢管,壁厚为5MM。
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