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Weld Neck Flange DN100 PN40 304L Type 11B1
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Description
Weld Neck Flange DN100 PN40 304L Type 11B1
- Size: DN100 (114.3 mm)
- Pressure rating: PN40
- Material: 304L stainless steel
- Wall thickness: 3.6 mm
- Flange type: 11B1
- Manufactured according to: EN 1092-1 Type 11
- Stainless steel weld neck flange
- Suitable for welding

Alternative Name: Weld Neck Flange DN100 PN40 304L Type 11B1, stainless steel weld neck flange, EN 1092-1 Type 11 flange, A/SA182 304L flange, inox welding flange, pipe flange.
Information
Weld Neck Flange DN100 PN40 304L Type 11B1 is designed for butt welding and is used to connect pipes, valves, pumps, pressure vessels, and industrial equipment. The tapered neck provides excellent strength and smooth stress distribution, making it suitable for pressure piping systems.
304L Stainless Steel
304L stainless steel is the standard corrosion-resistant stainless steel grade. It is one of the most versatile and widely used stainless steels, offering excellent corrosion resistance together with outstanding forming and welding properties.
Equivalent grades: 1.4301, 1.4306, 1.4307, AISI 304L.
Applications
- Heat exchangers
- Pharmaceutical equipment
- Dairy processing equipment
- Brewing industry
- Marine fittings
- Coastal structures
- Food processing industry
We also offer weld neck flanges and stainless steel rings in other sizes. If you have any questions, please contact us. Call +48 63 261 42 02 or send your enquiry to biuro@polberis.pl.
Weld Neck Flange DN100 PN40 304L Type 11B1 is also available in other sizes from our product range.
Learn more about flanges here >>
Technical data
| Manufacturing Standard | EN & DIN Standards |
| Flange Type | Welding Neck (WN) |
| Steel Grade | 304 ~ 304L ~ 1.4307 |
| Material | Stainless Steel |
| Size | DN100 ~ 4'' ~ 108mm ~ 114,3mm |

