What Are the Common Flange Types Used?

Understanding Flange Types

When it comes to piping and construction, knowing about different flange types is essential. Flanges are used to connect pipes, valves, and other equipment. They make it easier to assemble and disassemble systems. Let’s dive into the most common types of flanges so you can understand which one might fit your project best.

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1. Weld Neck Flange

The weld neck flange is a favorite in industries. Why? It provides a strong and permanent connection. The flange has a long tapered neck that makes it easier for welding. It helps to withstand high pressure and temperature.

2. Slip-On Flange

As the name suggests, the slip-on flange slips over the pipe end. This type is easy to install, making it popular in many applications. A quick note: it usually requires welding on two sides to secure it. It's suitable for low-pressure applications.

3. Blind Flange

Need to blank off a line? The blind flange is your solution! It closes off piping ends and prevents fluid flow. This type doesn’t have a hole in the center. It’s crucial for maintenance operations and helps keep systems safe.

4. Socket Weld Flange

A socket weld flange is perfect for small pipes. This flange fits over the pipe end, allowing it to be welded securely. It’s common in high-pressure environments. Just remember, proper installation is key to its effectiveness.

5. Threaded Flange

If you need ease and convenience, the threaded flange is for you. This type has internal threads that allow it to screw onto the pipe. It doesn’t require welding, but it has limitations in high-pressure situations. Always consider the application before choosing this option.

6. Lap Joint Flange

Lap joint flanges are unique. They consist of two parts: a stub end and the flange itself. This design allows for flexibility and easy alignment. It’s beneficial in situations where frequent dismantling is needed, like in maintenance tasks.

Common Applications of Flange Types

Different flange types serve various purposes across industries.

• Oil and Gas: Weld neck flanges are often used here for their strength.
• Water Treatment: Slip-on flanges may be chosen for ease of installation.
• Manufacturing: Blind flanges help in isolation during repairs.

Conclusion

In summary, understanding different flange types can make a significant difference in your projects. Each type serves its unique function, whether it’s for strength, ease of installation, or safety. If you have any questions about what flange types to use or need assistance finding a supplier, feel free to contact us. We're here to help!