NB/T 47021  法兰 C-RF 600-1.0-25 BB=f S1=5 N=140 A

1 CRF 600-1.0-25 BB=f S1=5 N=140 A

5 FF 2050-1.020δ0=14

DN40-PN6 SO FF �

WN100-600 RFJ Sch40/RF B=-13

wn450-150fm204:

3 T 2400-4.020δ0=18

47023 FM1000-1.0 H=120 δ=

3 FM 900-1.0h80400 Sch160FFb1=c116RS0S00-10R6RF.60/42-11-78r

WN200-300 RFf d=500-