HG/T 20592  法兰 PL 80(B)-16 FF L=1=17H3/F6F1wn1

PL80(B)-16 FF L=1=17H3/F6F1wn1

WN500-150 RF Sch40=180-

WN40(b)-100m40 S=2Sch4ng-drawing

WN 50(B)-16 RF S=4/FJ10 RF Sch460.6/400= b= d=100

WN 150(B)-16 RF S=16f=Rc10b)-16F/�6 RFF S=S=12 S=6 δ0=8ampamp

BL25-300 RF30

wn15-300g

wn80(b)-63 m s=/1.6/4F(