SharkBite PEX Pipe: Expandable Solution for Quick and Easy Plumbing Repairs

SharkBite PEX pipe, manufactured by Uponor, is a cross-linked polyethylene (PEX) pipe widely used in plumbing applications. It’s known for its flexibility, durability, and ease of installation, thanks to its unique push-to-connect fitting system. But one question that often arises is: is SharkBite PEX pipe expandable?

Is SharkBite PEX Pipe Expandable?

Yes, SharkBite PEX pipe is expandable to a certain extent. It possesses an expansion coefficient of 0.0005 inches per inch per degree Fahrenheit. This means that for every 100 feet of PEX pipe, it can expand approximately 0.5 inches for every 10 degrees Fahrenheit increase in temperature.

Factors Affecting Expansion

The expansion of SharkBite PEX pipe is influenced by several factors:

• Temperature: As mentioned earlier, temperature plays a significant role in the expansion of PEX pipe. Higher temperatures result in greater expansion.
• Pipe Length: Longer pipes experience more expansion than shorter ones.
• Restraint: The method of securing the pipe affects its expansion. Pipes that are tightly secured will expand less than those that are loosely restrained.
• Pipe Diameter: Larger diameter pipes expand more than smaller diameter pipes.

Expansion Considerations

When installing SharkBite PEX pipe, it’s essential to consider the potential for expansion and take appropriate measures to accommodate it. This includes:

• Allowing Expansion Space: Leave sufficient space between the pipe and any fixed objects or walls to allow for expansion.
• Using Expansion Loops: Incorporate expansion loops into the piping system to absorb expansion forces.
• Securing Pipes: Secure the pipes properly using pipe clamps or hangers, but avoid overtightening.

Benefits of PEX Pipe Expansion

The expandability of SharkBite PEX pipe offers several advantages:

• Stress Reduction: Expansion loops reduce stress on the pipe and fittings, preventing damage due to thermal expansion.
• Leak Prevention: Proper accommodation of expansion helps prevent leaks caused by pipe strain.
• Increased Flexibility: Expandability allows the pipe to conform to irregular spaces or tight bends, making installation easier.

Limitations of PEX Pipe Expansion

While expansion is beneficial, it’s important to note its limitations:

• Excessive Expansion: Over-expanding the pipe can weaken it and compromise its integrity.
• Pipe Failure: If the pipe is not properly restrained or the expansion space is insufficient, it can lead to pipe failure.
• Noise: Expansion and contraction of the pipe can create noise, especially when passing through walls or floors.

Final Thoughts: Embracing the Flexibility of SharkBite PEX Pipe

SharkBite PEX pipe’s expandability is a valuable feature that enhances its flexibility and durability in plumbing applications. By understanding the factors affecting expansion and taking appropriate precautions, you can ensure a successful and long-lasting plumbing system.

Questions You May Have

Q: How much can SharkBite PEX pipe expand?
A: It can expand approximately 0.5 inches for every 100 feet of pipe, for every 10 degrees Fahrenheit increase in temperature.

Q: How do I accommodate expansion in a SharkBite PEX pipe system?
A: Use expansion loops, leave expansion space, and secure pipes properly.

Q: What happens if I don’t allow for expansion?
A: It can lead to pipe strain, leaks, and potential pipe failure.

Q: Can I use SharkBite PEX pipe in tight spaces?
A: Yes, its expandability allows it to conform to irregular spaces.

Q: Is SharkBite PEX pipe noisy?
A: Expansion and contraction can create noise, especially when passing through walls or floors.