Blind flange
The blind flange (EN 1092-1 Type 05, BL) closes pipe ends, nozzles and valves pressure-tight – with an undrilled sealing face and bolt holes on the rim.
Application & design
The blind flange (EN 1092-1 Type 05, BL) closes pipe ends, nozzles and valves pressure-tight – with an undrilled sealing face and bolt holes on the rim.
- Closing pipe ends and nozzles
- Inspection and test openings
- Reserve outlets for later extension
- Vessel and apparatus construction
Technical overview
Standardised reference data. Please ask for availability of individual sizes and pressure ratings.
| Feature | Detail |
|---|---|
| Standards | EN 1092-1 (Typ 05), DIN 2527 |
| EN 1092-1 type | 05 |
| Pressure ratings | PN 6 – PN 400 |
| Sealing faces | Form B1/B2 (RF) |
| Nominal sizes | DN 10 – DN 4000 |
| ASME equivalent | ASME B16.5 BL |
We supply Blind flange to EN 1092-1, DIN and ASME – matched to pipe, material and pressure rating, on request with an EN 10204 3.1 / 3.2 mill certificate.
Frequently asked questions about Blind flange
What is a blind flange for?
To close pipe ends, nozzles or valves pressure-tight – e.g. for later extensions or testing.
Which pressure ratings are available?
EN 1092-1 Type 05 from PN 6 to PN 400, or ASME B16.5 Class 150 to 2500.
Is a blind flange drilled?
The sealing face is undrilled; only the bolt holes on the rim are present.
Request Blind flange?
Type, size, pressure rating, sealing face and material are enough – we supply the right flange, on request with an EN 10204 3.1 / 3.2 mill certificate.
All data are typical values per EN 1092-1 / DIN / ASME for first orientation – without warranty. Please ask for the availability of individual sizes and pressure ratings. The applicable standard and the order confirmation are decisive.