ASME B16.47  法兰 WN 40"-600 RF S=30

B WN 40"-600 RF S=30

BL 125-16 RF

SO 40-16 RF

PL50(B)-16 RF

SO 500-300 RF350-

20592bl200-100rfff@chb=27.5000-1.0mp

BI 1000

SO 40(B)-16 RF

SO100(b)-16rf

WN 80-900 RF Sch80Smpw5c0FM5 RJScF&@���Шў��@RJFMFRF€�0S696 δs=10RJFSfRF=6am