HG/T 20592  法兰盖 BL 40-25 RFL=40 n=24 f1=5 d

BL40-25 RFL=40 n=24 f1=5 d

BL40-100 RJ40Sch1RF f1++hg LMRF Sch8040CH86rfssh80HF26MRF98 a Sch160F-25@SO80L0- H=159 RF SC0-

so500a-16rf b=5=740 c=82

47021 RF500-1.6/

BI 700вҖampa200-10-R

BI 800-10 RF B=273.50A=57hp R

47021 c-m500-1.0 δs

SO 500(B