Blind Flange
Blind flange
Blind flanges according to EN1092-1 Type 05 (DIN 2527) are often used in installations, piping systems or in equipment construction to close an open pipe end. Nijhuis & Wigger can supply suitable blind flanges for every quality, pipe size and pressure class.
- Available pressure classes PN 6 – PN 100
- Higher pressure classes (outside EN-standard) available with corresponding thickness
- Different sealing surfaces available like Nut (Form D) or according specification
- Dimensions up to DN 2000
We deliver blind 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 blind flanges are separated in:
| DIN standard | EN standard | Type | Pressure |
| 2527 | EN 1092-1 | 05 | PN 6 |
| 2527 | EN 1092-1 | 05 | PN 10 |
| 2527 | EN 1092-1 | 05 | PN 16 |
| 2527 | EN 1092-1 | 05 | PN 25 |
| 2527 | EN 1092-1 | 05 | PN 40 |
| 2527 | EN 1092-1 | 05 | PN 63 |
| 2527 | EN 1092-1 | 05 | PN 100 |
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