... ,construction /water supply and sewage workFlange Facing Types American Series: Flat Face(FF), Raised Face(RF), Tongue(T), Groove(G),Female ... (F), Male(M), Ring Joints Face(RJ)European Series: Type A(Flat Face), Type B(RaisedFace), Type C(Tongue ... ), Type E(Spigot), Type F(Recess),Connection TypeRaised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female,Small Male ...