法兰 WN 200-150 RF sch 40

wn200-150rf sch 40

WN50-150 RF Sch40 N=59 A

WN20-300 RFRJ S=6rf50(B)-16RF6RF6.5 δ=12

BL80-25 RF8d=573 fF.5)-5.25/51-16 RFFF HG/T20

bl300-160m

wn20-300fm/10-1

WN40-150RF H

bl100(b)-300 Rf

wn40-300 rf asme16.5.5=3.6S=10=32/RF Sch80M S