HG/T 20592  法兰盖 BL 300-16 M3 unde100ampam32 S-16rb50b—С7500r00c40S,

bl300-16m3 unde100ampam32 S-16rb50b—С7500r00c40S,

WN 80-150 RF B=77

wn200-25rf s=12.5 &ampampampampamp

WN 150(A)-25 RF S=7/RF0mp

LWN150-900 RJ XXS 16MNS=46RF-16RF6 RF

BL40(b)-63RF.=s5 d=92 L=1

SW50-150 RF S=3.5

PL 800(B)-2.5 RF hg S=2500