EN 1092-1 Type 11 PN16 Weld Neck Flange 1.4404 (316L)
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Stainless Steel Weld Neck Flange for Industrial Piping Systems
The EN 1092-1 Type 11 weld neck flange made of stainless steel 1.4404 (316L) is one of the most commonly used flange connections in European industrial installations.
SSMALLOYS supplies high-quality weld neck flanges for demanding applications in the chemical industry, oil & gas, power generation, and water treatment sectors.
The weld neck flange (Type 11) is connected to the pipe by butt welding, providing a highly secure and low-stress connection in pressure systems.
Its tapered hub design ensures optimal stress distribution, making it ideal for high-pressure and high-temperature applications.
Technical Data
| Paramètre | Description |
| Standard | EN 1092-1 |
| Taper | Type 11 (Weld Neck Flange) |
| Pression nominale | PN16 |
| Matériel | 1.4404 (X2CrNiMo17-12-2) |
| ASTM/AISI | 316L |
| Connexion | Butt Weld |
| Facing Types | Form A / B1 / B2 / C / D / E / F |
| Fabrication | Forged / Open-die forged |
Material 1.4404 (316L)
1.4404 is an austenitic stainless steel with low carbon content and excellent corrosion resistance.
- Excellente résistance à la corrosion
- Suitable for chloride-containing environments
- Excellente soudabilité
- Long service life
- Low maintenance cost
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SSM has significant product advantages in manufacturing EN 1092-1 Type 11 PN16 Flange. Whether it’s quality or price, we will meet your needs.
EN 1092-1 Type 11 PN16 Flange Applications
The EN 1092-1 Type 11 PN16 flange is used in:
- Industrie chimique
- Oil & gas industry
- Power plants
- Water treatment
- Food industry
- construction navale
- Process industry
Comparison with Other Flange Types
| Taper | Description | Application |
| Type 05 | Bride aveugle | Pipeline closure |
| Type 01 | Flat Flange | Low pressure systems |
| Type 11 | Bride à collerette soudée | High pressure systems |
FAQs
Type 11 refers to a weld neck flange designed for butt-weld connection with pipes.
PN16 indicates a nominal pressure rating of 16 bar under reference conditions.
Yes. 1.4404 is the European material grade equivalent to 316L stainless steel.
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