NB/T 47021  法兰 C-M 1600-0.25-300

47021 c-m1600-0.25/0-300

SO250-25 RJ

wn50(a)-300rf s2.5 h10S.0 RJf/@4�0

DN300-Class900 WN RF S=

WN 800(B)-16 FF S=3.5

SO 125-150 FFF MX=Y RF

PL 80(B)-16 RF�1Bmp)00SC���d=8 S2-R

PL 80(B)-16 RF�1Bmp)00SC���d=8 S2-R Sch

PL50-25RJ1

SO