Weld Neck Flange DN40 PN10/16/25/40 304L EN 1092-1 Type 11B

• Size: DN40 (for 42.4 mm pipe)
• Pressure rating: PN10 / PN16 / PN25 / PN40
• Material: 304L stainless steel (A/SA182, 1.4301 / 1.4307)
• Manufactured according to: EN 1092-1
• Type: 11B S10
• Stainless steel weld neck flange
• Suitable for welding

Alternative Name: Weld Neck Flange DN40 PN10/16/25/40 304L EN 1092-1 Type 11B, 42.4 mm stainless steel weld neck flange, A/SA182 flange, 1.4301 inox flange, acid-resistant pipe welding flange.

Information

Weld Neck Flange DN40 PN10/16/25/40 304L EN 1092-1 Type 11B is designed for butt welding and is used to connect pipes, valves, pumps, pressure vessels, and industrial equipment. The tapered hub provides excellent strength and stress distribution, ensuring a durable, leak-tight connection in pressure piping systems.

304 / 304L Stainless Steel

304 / 304L stainless steel (1.4301 / 1.4307) is the most widely used corrosion-resistant stainless steel grade. It offers excellent weldability, formability, and resistance to many chemicals, making it suitable for industrial and hygienic applications.

Equivalent grades: AISI 304, AISI 304L, SS304, SS304L, X5CrNi18-10.

Advantages of 304 / 304L Stainless Steel

• Excellent corrosion resistance
• Outstanding weldability
• Non-magnetic
• Excellent ductility
• High impact strength
• Wide operating temperature range

Applications

• Heat exchangers
• Pharmaceutical equipment
• Dairy processing equipment
• Brewing industry
• Marine installations
• Coastal structures
• Food processing industry
• Industrial piping systems

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 email biuro@polberis.pl.

Weld Neck Flange DN40 PN10/16/25/40 304L EN 1092-1 Type 11B is also available in other sizes from our product range.

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