Flat Flange
Flat flange
Flat flanges according to EN1092-1 Type 01 (DIN 2573 – 2576) are often used in installations, piping systems, appendages or in equipment construction to weld at the end of a pipe. Nijhuis & Wigger can supply suitable flat flanges for every quality, pipe size and pressure class.
- Available pressure classes PN 6 – PN 100
- Dimensions up to DN 2000
We deliver flat flanges in the following material grades:
| DIN standard | EN standard |
| Carbon steel | |
| C22.8 | P250GH |
| Rst 37.2 | S235JRG2 |
| 15Mo3 | 16Mo3 |
| 13CrMo44 | 13CrMo4-5 |
| W/TSTE 355 | P355QH1 |
| P355NL1 | |
| P355NH | |
| 10CrMo9-10 | 11CrMo9-10 |
| Stainless steel | |
| 1.4301 / 1.4307 / 1.4541 | |
| 1.1104 / 1.4404 / 1.4571 | |
| 1.4462 (Duplex) | |
| 1.4501 (Superduplex) |
According to the standard DIN/EN1092-1 flat flanges are separated in:
| DIN standard | EN standard | Type | Pressure |
| 2573 | EN 1092-1 | 01 | PN 6 |
| 2576 | EN 1092-1 | 01 | PN 10 |
| EN 1092-1 | 01 | PN 16 | |
| EN 1092-1 | 01 | PN 25 | |
| EN 1092-1 | 01 | PN 40 | |
| EN 1092-1 | 01 | PN 63 | |
| EN 1092-1 | 01 | PN 100 |
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