Flat Convex Flange Stainless Steel Pipe Fitting is a common type of pipe flange, mainly used for the connection of pipelines, valves, pumps and other equipment.
| NO. | Size | External Dia.(mm) |
| 1 | 1/2'' | 18 |
| 2 | 3/4'' | 22 |
| 3 | 1'' | 28 |
| 4 | 1 1/4'' | 35 |
| 5 | 1 1/2'' | 42 |
| 6 | 2'' | 54 |
| 7 | 2 1/2'' | 76.1 |
| 8 | 3'' | 88.9 |
| 9 | 4'' | 108 |
