Size
Welded flange: 3/8"???160"
DN10???DN4000
Pressure
U.S. Series: CLASS150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS2500
European Series: PN2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN250, PN 320, PN 400
Flange sealing surfacetype
U.S. Series: Flat (FF), suddenly face (RF), groove (G),male and female surface (MFM), ring joint face(RJ)