DN-鍏ū鐩村緫肖锛嶅寰�
DN15-褎22mm锛�DN20-褎27mm DN25-褎34mm锛�DN32-褎42mm
DN40-褎48mm锛�DN50-褎60mm DN65-褎76(73)mm锛�DN80-褎89mm
DN100-褎114mm锛�DN125-褎140mm DN150-褎168mm锛�DN200-褎219mm
DN250-褎273mm锛�DN300-褎324mm DN350-褎360mm锛�DN400-褎406mm
DN450-褎457mm锛�DN500-褎508mm DN600-褎610mm