Complete Specifications & Dimensions
American flange standards (ASME/ANSI) are widely used in petrochemical, oil & gas, and heavy industrial applications globally. These standards provide comprehensive specifications for various pressure classes.
Pipe flange specs for sizes 15-600mm (1/2-24"). Weld neck, slip-on, socket weld, lap joint, blind, and threaded types.
Class 150 | Lapped, blind, socket weld, threaded, weld neck, long weld neck and slip-on flanges. |
Class 300 | Lapped, blind, socket weld, threaded, weld neck, long weld neck and slip-on flanges. |
Class 400 | Lapped, blind, socket weld, threaded, weld neck, long weld neck and slip-on flanges. |
Class 600 | Lapped, blind, socket weld, threaded, weld neck, long weld neck and slip-on flanges. |
Class 900 | Lapped, blind, socket weld, threaded, weld neck, long weld neck and slip-on flanges. |
Class 1500 | Lapped, blind, socket weld, threaded, weld neck, long weld neck and slip-on flanges. |
Class 2500 | Lapped, blind, threaded, weld neck and long weld neck flanges. |
Large-diameter pipe flange specs for 650-1500mm (26-60"). Weld neck and blind configurations in Series A and B types.
Class 150 A | Weld neck and blind flanges. |
Class 300 A | Weld neck and blind flanges. |
Class 600 A | Weld neck and blind flanges. |
Class 900 A | Weld neck and blind flanges. |
Class 150 B | Weld neck and blind flanges. |
Class 300 B | Weld neck and blind flanges. |
Class 600 B | Weld neck and blind flanges. |
Class 900 B | Weld neck and blind flanges. |
Spectacle blind and spacer (line blank) flange specs for isolation in full face, raised face, and ring joint types.
Class 150 | Spectacle blinds, spacers, and line blinds. |
Class 300 | Spectacle blinds, spacers, and line blinds. |
Class 600 | Spectacle blinds, spacers, and line blinds. |
Class 900 | Spectacle blinds, spacers, and line blinds. |
Class 1500 | Spectacle blinds, spacers, and line blinds. |
Class 2500 | Spectacle blinds, spacers, and line blinds. |
Orifice flange specs with pressure tapping points for flow measurement. Available in weld neck and threaded configurations.
2006 Edition | Orifice flanges for differential pressure flow measurement. |
Ring-joint gasket groove specs for Series A flanges. Suitable for high-integrity, high-temperature sealing.
B16 | GRing Joint Dimensions Series.A CLASS 300,600,900. |
