EN 1092  法兰 DN2500/PN10/01B æ

DN2500/PN10/01Bæ

WN 500-150 RF S=466

HG/T20592WN25-25RF

SO 250(B)-16RF

pl450-25 rjrf000r

WN 250(B)-40 RF S=10

WN 500-150 RF

SO 40-150 RF

WN450-25RJ00a5/u00FF IRF�(40RF-R�@4п▓�� 20 R7.5

WN 12"-600 RF Sch80adata RFR RF SFM150r=26.97MMj