HG/T 20592  法兰 PL 600-16 RF f1=5 D=780 C

PL600-16 RF f1=5 D=780 C

wn200-16rfs=4.5b)-40rfasme.0/54-95 rf91

wn25(b)-25 mum.-40FM14060n400-600

wn65(b)-16rf s=.u005FM S=806 d=100fWN25-8=h1m s=12F1./FRFC4 d=86

wn200-16rfs=4.5b)-40rfasme.0/54-95 rf91 R-150 ST Sch

bi3600-12050R5/20δs=140δs=12.S4