Flanges
Note: Dimensions of the most popular flanges (Plate, Boss, and Weld-neck) are provided for the obsolete BS4504 flanges
and the current BS EN 1092-1 flanges. In practice the dimensions are similar in all but a few minor dimensions.
Note Standard BS 4504 is now superseded by:
| BS EN 1092-1:2002 | Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Steel flanges |
|---|---|
| BS EN 1092-2:1997 | Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Cast iron flanges |
| BS EN 1092-3:2003 | Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Copper alloy flanges |
| BS EN 1092-4:2002 | Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Aluminium alloy flanges |
| BS EN 1515-1:2000 | Flanges and their joints- Bolting: selection of bolting. |
| BS EN 1515-2:2000 | Classification of bolt material for steel flanges PN designated. |
| BS 3600:1997 | Specification for dimensions and masses per unit length of welded and seamless steel pipes and tubes for pressure purposes .. Is withdrawn and replaced By BS EN 10220:2002..Seamless and welded steel tubes. Dimensions and masses per unit length |