About DIN Standard Flange
DIN (Deutsches Institut für Normung) Standard Flanges are a type of flange that adheres to the standards set by the German Institute for Standardization. These flanges are widely used in Europe and other regions that follow European engineering standards. The DIN standards specify the dimensions, materials, and mechanical properties of the flanges to ensure consistency, safety, and reliability in various industrial applications.
Types Of Flanges that Under The DIN Standard Include:
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DIN Weld Neck Flange (DIN 2631 - DIN 2635):
- Designed with a long tapered hub, which provides reinforcement and reduces stress concentration.
- Suitable for high-pressure applications and those involving extreme temperatures.
- Provides a smooth transition from flange to pipe, ensuring excellent strength and durability.
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DIN Slip-On Flange (DIN 2573 - DIN 2576):
- The pipe is inserted into the flange's bore and then welded both inside and outside.
- Easier to align compared to weld neck flanges.
- Ideal for low-pressure applications and where space constraints are a consideration.
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DIN Blind Flange (DIN 2527):
- Used to close the end of a piping system or vessel.
- No bore in the center, making it perfect for testing and maintenance.
- Ensures a secure and leak-proof seal.
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DIN Socket Weld Flange (DIN 2673):
- The pipe is inserted into the socket end and then fillet welded around the hub.
- Provides a smooth bore and better fluid flow characteristics.
- Suitable for small-diameter, high-pressure applications.
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DIN Threaded Flange (DIN 2566):
- Features a thread inside the bore, which matches the external thread on the pipe.
- Allows for easy assembly and disassembly without welding.
- Commonly used in low-pressure, non-critical applications.
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DIN Lap Joint Flange (DIN 2642):
- Used with a stub end, allowing the flange to rotate around the pipe.
- Facilitates easy alignment and assembly.
- Ideal for systems requiring frequent dismantling for inspection and cleaning.
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DIN Plate Flange (DIN 2573 - DIN 2576):
- A flat flange that can be easily bolted or welded to a pipe.
- Typically used in low-pressure applications.
- Simple design makes it cost-effective and easy to install.
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DIN Orifice Flange (DIN 2641 - DIN 2642):
- Used to measure the flow rate of fluids in a pipeline.
- Includes holes for meter connections.
- Commonly used in conjunction with orifice meters.
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