压力管道标准(DN—Ф对照)
规格(大外径系列):
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-Ф406mm
DN450—Ф457mm
,DN500—Ф508mm
;DN600—Ф610mm
规格(小外径系列):
DN—公称直径
;Ф-外径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-Ф377 ...


雷达卡




京公网安备 11010802022788号







