... 1989ISO7005-1-1992JIS 5K 15K 16K 20K 30K 40KPressure ReatingAmerican Series: CLASS 150, CLASS 300, CLASS 400, CLASS 600 ... 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 D(Groove), Type E(Spigot), Type F(Recess), Connection TypeRaised ...