dn480的管外径是多少(dn800管外径是多少mm)

dn480的管外径是多少(dn800管外径是多少mm)

首页维修大全综合更新时间:2025-07-24 06:32:29

dn480的管外径是多少

DN-公称直径与管道外径对照表 DN15-ф18mm, DN20-ф25mm DN25-ф32mm, DN32-ф38mm DN40-ф45mm, DN50-ф57mm DN65-ф76mm, DN80-ф89mm DN100-ф108mm,DN125-ф133mm DN150-ф159mm,DN200-ф219mm DN250-ф273mm,DN300-ф325mm DN350-ф377mm,DN400-ф426mm DN450-ф480mm,而DN480mm应该就是510mm

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