HG/T 20592  法兰 WN 300(B)-16 M H=88 BB=330 S=15

WN300(B)-16 m H=88 BB=330 S=15

wn32(a)-100 rf s=40aS RFf6-=16 dF�0 T MX=N-000rf

WN100(B)-25RF,S=.6F S=m2/3= s=1641.3

SO100-150RFRF RF S=≥RF RF�s=6=21CH84-1916

WN 80(B)-16 RF S=4RF RF0/F S=5850-1.50-1.0F/SCHh=395

2 A3=15S=400rj2 RFb)-F BB=9H0r