法兰 PL 20-16 FF10*40M16 RF58ss

pl20-16ff10*40M16 RF58ss

SO125-150rf=34S=6. RF S=4420-10(b)-2.5rf-1

PL40-10RF AA=45. C=26 L=22

SO150-40M/

PL32(B)-16 RFF=5.6 S=6.35ch40=2h80 16mniii hg/=Sch4

PL250(B)-10 RF6RF/

HG/T20592 WN400-10RF0/0

WN200(A)-63RF S=7

WN25B)-16Mn

PL32(B)-16RF HG/T