HG/T 20592  法兰 WN 40-63 RF S=4.51-6RF RF S=0=14=24 D06

WN40-63RF S=4.51-6RF RF S=0=14=24 D06

wn200(a)-63 rf s=12=2 s=12 h1=22 d=2

1 FF 900-0.25 δs=20

wn15b-63g

WN200-160RJ

WN200A-25RF010ampa�5 RJ-1671@° C-R41300-1009SOs LM5ampa

wn125-40t-b H=10 RF S2 S=h1=2010S96170-.6

WN 80(B)-16 RF S=3f s=166000-16