平面(FF)整体钢制管法兰

FF-Integral steel pipe Flange

突面(RF)整体钢制管法兰

RF-Integral steel pipe Flange

凹凸面(MF)整体钢制管法兰

MF-Integral steel pipe Flange

榫槽面(TG)整体钢制管法兰

TG-Integral steel pipe Flange

环连接面(RJ)整体钢制管法兰

RJ-Integral steel pipe Flange