NB/T 47023  法兰 FM 800-2.5/63-11358232 C=10FF C-R/9-

47023 FM800-2.5/63-11358232 C=10FF C-R/9-

BL150-16RF31兰 pl65B)-16 RF=21S150Sampwd=&

Lwn50-300 rf 16Mn

so600(b)-16g52F S91.0400-1.)-24

SO 65-16 RFthg20615 wn400R30/21

PL 450-10 RF s=26=30-1

WN300-1500RF S/G Sch40(B)-16 RFc=11.6

SO 25-150 RF

DN 80-�