HG/T 20592  法兰盖 BL 50-10 FF D= K=120 C=162 rf/u00c3/data/public

PL20-150 RF4mmR.5F0-10=0 RF6rf=3(b

wn 65-150RF-1030RF=00RFFM9B61080-1RFb RFmm4sch400-16

bl250-25RFb=32 C=83.3 H=1826H20-110h

1 RF 600-0.60=3 c=0058-1400a3

WN 40-600 RF S=5.08B=90 KA WN RF1416 RF d=F/fb)-40tHSCH800 f03Fuothg2061150 RF00rc/

B wn700-150