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Apr . 28, 2024 15:49 Back to list

How to Join PPR Pipe

How to Join PPR Pipe

While PVC is the most common non-metal plumbing pipe used in the U.S., PPR (polypropylene random copolymer) is the standard pipe material in many other parts of the world. Instead of PVC cement, PPR joints are heated by a special fusion tool and essentially melted together into a single piece. When created properly using the right equipment, a PPR joint will never leak.

 
Part1

Heating the Fusion Tool and Preparing the Pipe

  1. Step 1 Place the right-sized sockets onto the fusion tool.
     Most PPR fusion tools come with pairs of male and female sockets of various sizes, which correspond to common PPR pipe diameters. So, if you’re using PPR pipe that's 50 millimetres (2.0 in) in diameter, choose the socket pair marked for 50 mm.
    • Handheld fusion tools can usually handle PPR pipes ranging from 16 to 63 millimetres (0.63 to 2.48 in), while bench-mounted models can handle pipes up to at least 110 millimetres (4.3 in).
    • You can find various models of PPR fusion tools online, ranging in price from around $50 to over $500 USD.
     
     
  2. Step 2 Plug in the fusion tool to begin heating the sockets.
     Most fusion tools will plug into a standard 110v outlet. The tool will either start heating immediately, or you may have to turn on a power switch. Models vary, but it will likely take several minutes for the tool to heat the sockets to the necessary temperature.
    • Be very careful around a hot fusion tool and make sure everyone in the area knows it’s on and hot. The sockets reach temperatures of over 250 °C (482 °F) and can cause severe burns.
     
     
     
  3. Step 3 Trim your pipe to length with a smooth, clean cut.
     While the fusion tool heats, mark and cut your pipe to the desired length using an effective tool to obtain a clean cut which is perpendicular to the axis. Many fusion tool sets come with a trigger- or pincer-style pipe cutter. When used according to the directions, these will create smooth, even cuts in PPR that are ideal for fusion welding.
    • PPR pipe can also be cut with a variety of hand or power saws, or wheel-style pipe cutters. However, make sure the cuts are as smooth and even as possible, and clear away any burrs with fine-grit sandpaper.
     
     
  4. Step 4 Clean the PPR pieces with a cloth and the recommended cleaner.
     Your fusion tool kit will likely recommend, and may even come with, a specific cleaner to use with PPR pipe. Use this cleaner as directed on the outside of the pipe and the inside of the fitting to be joined. Let the pieces dry for a few moments.[7]
    • If you don’t know what type of cleaner to use, contact the manufacturer of your fusion tool.
     
     
  5. Step 5 Mark the welding depth on the joining end of the pipe.
     Your fusion toolset will likely come with a template for marking the proper welding depths onto various diameters of PPR pipe. Use a pencil to make the corresponding mark on the pipe.[8]
    • Alternatively, you can stick a tape measure into the pipe fitting you’re using (e.g., an 90-degree elbow fitting) until it hits the small ridge inside the fitting. Subtract 1 millimetre (0.039 in) from this depth measurement and mark it as the welding depth on your pipe.[9]
     
     
  6. Step 6 Confirm that the fusion tool is fully heated.
     Many fusion tools have a display that tells you when the tool is heated and ready to go. The target temperature is typically 260 °C (500 °F).
    • If your fusion tool doesn’t have a temperature display, you can use a probe-style or infrared thermometer to read the temperature on the sockets.
    • You can also buy temperature indicating sticks (e.g., Tempilstik) at welding supply stores. Choose sticks that will melt at 260 °C (500 °F) and touch one to each socket.
     
     


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