NB/T 47021  法兰 FF 1700-1.6/20δs=16s=6RFF)-bsp0mp161401.0CS00 M S=12.88 8P

1 FF 1700-1.620δs=16s=6RFF)-bsp0mp161401.0CS00 M S=12.88 8P

WN 125-1500 FM Sch40 FM Sch160=62

SO 32-300 RF=8FA=F-h800Rh FFC

eha 1200*1fma

wn100-63RF S=7/

wn200-150 rf s=19910rf0/

WN20-300 RF Sch406+0.300Ff B=525 C=1hch4hl200rfRF550rfH=2451=77G700f