HG/T 20592  法兰盖 BL 100(B)-40 FM00 R5 FF42-12h40.6/rf

BL100(B)-40FM00 R5 FF42-12h40.6/rf

WN 300-150 RF

WN 300(B)-100 RJ S=14

PL 25(B)-25 RF

PL 20(B)-16 RF RFF0SF=8�00(b)Ш°В�

wn50-16 rf s=3.5

PL 250(B)-16 RF/0611210RFFs=1)f0/

WN 100(B)-100 RJ S=S=3

WN10B-16 RF6 k=840 RF S/80ampab)

SO500(B)-16RF.35