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How Do You Use Compression Fittings on Poly Pipe?

Published in Plumbing 2 mins read

Compression fittings are a quick and easy way to connect poly pipe for plumbing and irrigation applications. Here's how to use them:

1. Prepare the Pipe

  • Cut the pipe to the desired length. Use a pipe cutter or hacksaw to make a clean, square cut.
  • Deburr the pipe end. Use a deburring tool to remove any sharp edges that could damage the compression fitting.

2. Assemble the Fitting

  • Insert the olive into the fitting. The olive is a small, tapered ring that creates a seal around the pipe.
  • Slide the nut onto the fitting. The nut is used to tighten the fitting onto the pipe.
  • Insert the pipe into the fitting. Make sure the pipe is fully inserted into the fitting until it bottoms out.

3. Tighten the Fitting

  • Tighten the nut onto the fitting. Use a wrench or pliers to tighten the nut securely.
  • Do not overtighten. Overtightening can damage the pipe or the fitting.

4. Check for Leaks

  • Check for leaks. After tightening the fitting, check for any leaks around the connection. If you see any leaks, tighten the nut slightly until the leak stops.

5. Additional Tips

  • Use Teflon tape on threaded connections. Teflon tape helps to create a watertight seal on threaded connections.
  • Use the correct size fittings. Make sure the fittings are the correct size for the pipe.
  • Choose the right type of compression fitting. There are different types of compression fittings available for different applications.

By following these simple steps, you can easily connect poly pipe using compression fittings.

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