NB/T 47022  法兰 G 700-1

2 G700-1

DN200-PN40 WN RF Ⅱ S=31800-300 rf

wn20(b)-600rjbs60S RF15f--/1H40

WN100(A)-16 RF S=878 A=27 undefine=2S=4 20Hrf-4.F

pl25-25rf3540h8RFSCH1CH160RF/150rfB=42 Y=222b)-6R=160-0.2F0-6581

SO250-150 FF D401)-

B WN 900-900 RF S=50.8ch80u00-4702F0F