HG/T 20592  法兰 WN 350-10 RF0r-4Æ3 sfFruF S=8�=8 -r100FS Sch80B=RF4216vlet-20

wn 350-10rf0r-4Æ3 sfFruF S=8�=8 -r100FS Sch80B=RF4216vlet-20

WN350- 63RF.640NSI B10615

SO 32(B)-16 RFS6

SO 600B-10 RF800 n=241c/40s33. RFd 16RFH-10f

WN 200(B)-25 RF

SO 600-150 RF RFF S=3

WN 25-300 RF S=6

WN350-150 RF Sch40SF1700

SO 50-150 RFs=4.50