HG/T 20592  法兰盖 BL 150-16 RF

BL 150-16RF

PL 20-16 RF

WN100(B)-25G S=9

DN50-PN63 WN RF Ⅱ

bl100(b)-40fm0RF/ l=27 n=20= n=340

pl200(b)-16rf b=5012=73.2 K=98.6 s=3.5

wn65-300fm R-A05000�ƒÃ S=4.c=30 l=27 n=20= n=340

bl100(b)-600 rf15=3html25 R-A05000�ƒÃ S=4.c=30 l=27 n=20=