Weld Neck Flanges(WN) WELD NECK FLANGES(ASME B16.47 Series B) BLIND FLANGES(ASME B16.47 Series A) Socket Welding Flanges(SW) Threaded Flanges(TH) BLIND FLANGES(ASME B16.47 Series B) Blind Flanges(BL) WELD NECK FLANGES(ASME B16.47 Series A) Long Welding Neck Flanges Slip On Flanges(SO) Lap Joint Flanges 共11条1
