DN
6 φ10.2
8 φ13.5
10 φ14
15 φ18
20 φ25
25 φ32
(32) φ38
40 φ45
50 φ57
(65) φ73
80 φ89
100 φ108
(125) φ133
150 φ159
200 φ219
250 φ273
300 φ325
350 φ377
400 φ426
450 φ480
500 φ530
(550) φ559
600 φ630
DN-公称直径
Ф-外径
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-ф426mm
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,
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