NB/T 47021  法兰 FM 550-1.0ï1=13)-

47021fm550-1.0ï1=13)-

WN15(B)-160FF5mRF M/0=10sG220 C=35 K=

WN 16"-600 ST Sch40SuotampaF�-1

WN 15(B)-40 T S=1� SO125(B)-150

BL250-300MFMB)-

WN 500-300 RJb)-1=4 RF S=3

WN350-300FMS=10=38j0M S=/Sch

wn600-600rf sch-1 C=35 D=895 K=84.8

WN 150-1