NB/T 47021  法兰 M 500-0.6/1.0F

1 M 500-0.61.0F

WN50-150 RF

WN 400(B)-10 RF

WN 50(B)-16 RF S=3.5

WN 3/4"-150 RF

WN60-16RF0=4.2rf0/46-56235-1

IF 125-6 G FM Sch8.0FSc

BL300-150 RF=32 A=851ST

BL150-25 RF

APA-5RF Sch10S‡08ta10SchcBh/u005@46F S=31@/46-56235-10� sch6RF6F9@RF68RF