Standard Connection Flange
This flange is normally used for nozzles on pressure vessels and rarely used with pipe. The hub of the flange is straight and thicker than the taper of the weld neck flange (WNF). This flange has a raised face.
Abbreviations
- FBF - full barrel flange
- HBF - heavy barrel flange
- LWNF - long weld neck flange
Standard Connection Flange Index
Long Weld Neck FlangeHeavy Barrel FlangeFull Barrel Flange
Standard Connection Flange Standards
- ASME Standards
- ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
Standard Connection Flange Datasheets | |||
|---|---|---|---|
| Class | Raised Face | Raised Face | Raised Face |
| ANSI 150 | LWN, ANSI Class 150, B16.5 (in) | HBF, ANSI Class 150, B16.5 (in) | FBF, ANSI Class 150, B16.5 (in) |
| ANSI 300 | LWN, ANSI Class 300, B16.5 (in) | ||
| ANSI 400 | LWN, ANSI Class 400, B16.5 (in) | ||
| ANSI 600 | LWN, ANSI Class 600, B16.5 (in) | ||
| ANSI 900 | LWN, ANSI Class 900, B16.5 (in) | ||
| ANSI 1500 | LWN, ANSI Class 1500, B16.5 (in) | ||
| ANSI 2500 | LWN, ANSI Class 2500, B16.5 (in) | ||
Tags: Pipe Flange