法兰 WN 80-16 RF sch80=143.5056Fsc02Cr17Ni

WN80-16 RF sch80=143.5056Fsc02Cr17Ni

wn25b)-160rj/

WN25-150 RF B=248=)-

SP-1F416 R/

GB/T9123-2010BL50-160RJM Sc9)-6 RFPL80(B)-

WN25-150 RF B=19.4S=630-300 RF5F/SL5

wn80(B)-63 FM

PL15(B)-25 RF

WN80(B)-40 RF S=5.5500c3

WN25-150 RF B=26 H=254

BL150-300F