HG/T 20592  法兰盖 BL 400(B)-16 FFS-

BL400(B)-16FFS-

3 FM 1200-4.00RJ0/F Sch0hl40-16rfM rfJH/

wn 100-100 RF00-1.06RFRF600077.5 RJ RF S

lp-2-106 d2009)-2

BL20(B)-300RF1F FM(b)-

SO 200(B)-16 RFRF100=1043/u0083/u00c

PL 200(B)-25 RF f1=3 B=220.5 b=0

DN 450×15-Sch140 RCotHPT00(B)-1 b

WN350