The importance of using clamps when welding PE pipes

Welding pipes on site can be a challenge, especially when working in confined spaces, varying weather conditions, or on busy sites. Having the right tools during the welding process can help overcome these challenges. Since accuracy is important when welding polyethylene (PE) pipes, using pipe clamps helps ensure strong and reliable welds, especially when working with HDPE pipes.

How do clamps work?

Clamps keep pipes steady during welding, preventing movement and misalignment. This helps installers control the process better. They can hold pipes at various angles, making it easier to create precise angle changes. In electrofusion welding, the right clamps are crucial for holding the pipes securely and ensuring proper alignment with the fitting.

How do I choose the right clamp?

When choosing clamps for electrofusion welding, consider the pipe size to ensure the clamp fits the pipe diameter correctly. You should also consider the welding environment, including factors like temperature and available space, to select the most suitable clamp for your needs. If you need help choosing the right clamps, our customer service team is ready to assist you.

What are the different types of clamps at Advanced Piping Systems?

Re-rounding clamps restore the round shape of deformed pipes. Some pipes may have ovalised ends due to being squashed or bent. Proper alignment and fit are important for a successful electrofusion weld. Once the electrofusion fitting has been welded and has cooled, the re-rounding clamp can be removed.

K-type positioning clamps are alignment clamps that will hold the HDPE pipe securely during the welding process, offering precise positioning and supporting stable joints during welding.

Advanced multi-clamps are versatile and adjustable universal clamps designed specifically for EF welding of water, gas, and fire services. They can handle various pipe sizes and types, providing flexibility for different welding scenarios. Clamping EF joints during welding will ensure that the pipe and fittings don't move and creep and stay inline and centralised during the fusion process. From setting up to welding and cooling, the installer has good control without the worry of external forces on the joints that can compromise weld integrity.

Final tips for electrofusion installations

Insert pipes straight into the coupling to avoid leaks and ensure a good joint. Avoid welding in temperatures below five degrees Celsius to prevent moisture issues. Weld pipes within 30 minutes of scraping to prevent re-oxidation. Using the right clamps in poly welding ensures strong, reliable joints. Proper training and following industry guidelines will give you the best results. Advanced Piping Systems also offers welding training courses. Contact us to learn more or to register for the next session.

For more information, visit www.advancedpiping.com.au

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