NB/T 47021  法兰 FF 700-1F/=3/u008e/data/src/public/wx/wx.max.png

wn500b)-16rf0RF0000-4.0/B=2

LWN 25-150 RF Sch40 H=310

PL 20(B)-16 m0040665=CH400FM F5-0.2SrfFh40RFFRF375 K=32FRFs

WN50(B)-300RJ SCH40S RF Sch40Sh40S A

BL 20-25 RFRF

SO 100-16 RF(B)-m0

WN25-150RF,S=4/16 RF RFSRF

WN200-25RF S=12.5 &a/41-15 RF S-1

SO