產(chǎn)品詳情
DN-公稱直徑、Ф-外徑(鍍鋅管、無縫鋼管)
DN15-ф18mm,DN20-ф25mm DN25-ф32mm,
DN32-ф38mmDN40-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等型號(hào)。