Understanding Flange Standards: EN, ASME, JIS & DIN Explained
Flanges are critical components that connect valves, pipes, and equipment in industrial piping systems. One of the most common sourcing mistakes is ordering flanges that do not match the local standard used in your country, leading to installation delays and mismatched bolt holes.
Major International Flange Standards
| Standard | Used In |
|---|---|
| ASME B16.5 | USA, Canada, Southeast Asia, oil & gas |
| EN 1092-1 | European Union, Middle East general industry |
| JIS B2220 | Japan, Korea, East Asia |
| DIN | Germany, European process industry |