NB/T 47023  法兰 FM 12100-4/1rf s==211 Cr(10jF RFrf b=01�

3 FM 12100-41rf s==211 Cr(10jF RFrf b=01�

47023 rf900-6.4/70-16520592FH55Fch6

WN40-25 Gum.h RF S

PL 550-16 RF/-150 RF N=380 RF Sch40S0S

so250(b)-150 rf

WN 150-150 RF S=10.970-90 L/oth

BL500-6RFFFS=b=1 bFch40R

BL32-16RF0δ0=14 16.4≈п�

SO 100-15