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By: FlowGuard EMEA on 02-may-2022 1:00:00
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How is CPVC Pipe Connected?

In our new video series, we have been exploring the many benefits of installing FlowGuard CPVC for water supply lines:


  • How to account for pipe expansion in plumbing systems
  • Repairing aged FlowGuard CPVC pipe with solvent cement
  • Installing in hot temperature
  • Integrating metal piping
  • Why plumbers use FlowGuard CPVC piping

In this blog, we will explore how the techniques demonstrated in this series provide a response to some of the plumbing industry's most commonly asked questions about CPVC pipe, so installers can continue with confidence, improving new homes and businesses around the world with industry leading CPVC piping system technology.


Do CPVC Pipes Suffer from Thermal Expansion?

Why do CPVC Pipes fail? Improper installation of CPVC pipe can lead to failures, via thermal expansion. This is a threat common in all types of plumbing applications.

In our video we explain how flexible piping such as FlowGuard CPVC can move within the system, safely bending without sustaining damage. The following techniques are demonstrated to account for thermal pipe expansion:

  • Expansion loops
  • Expansion offsets
  • Deflection mechanisms
  • Expansion joints



How do you Fix CPVC Pipe?

Repairing correctly installed FlowGuard CPVC pipe should not be necessary; in fact, some of the earliest installations from the 1960s, when CPVC pipe entered the market, are still operational today.

However, there are recommended best practices when repairing sections of FlowGuard CPVC, taking advantage of the fast and convenient solvent cement process.



Can CPVC Pipe Handle Hot Temperatures?

Reliable solvent welds can be created in hot temperatures. In fact, solvent cement dries faster, speeding up the installation process, saving time and money.

In the video below, we share guidance on the best way to manage installation projects using FlowGuard CPVC in hot areas. (It may also be useful to refer to our video on thermal expansion.)



What Can You Connect CPVC With?

It may sometimes be necessary to integrate new piping material into an existing system, particularly when it comes to retrofit projects.

FlowGuard CPVC is not restricted to CPVC connections using solvent cement. It can be fully integrated into copper and steel systems, as long as operating temperatures and pressures are within acceptable range.

Follow the steps in the video below for best practises when using our threaded fittings and flanges.



Why Do Plumbers Use FlowGuard CPVC?

With many pipe materials all competing to fulfil the same purpose in our businesses and homes, it is arguably the most important question of all; why are more and more installers choosing FlowGuard CPVC?

Here are just a few reasons, as explained in the video below.

  • It does not require heat welding
  • Allows for a flexible, more manageable working environment
  • Fast, cost effective repairs using CPVC cement
  • Greater tensile strength and less thermal expansion than PPR
  • Requires less hangers and supports



Start Using FlowGuard CPVC

We highly recommend watching all of these videos to understand the best techniques for installing this industry leading pipe material. Then, talk to a CPVC piping expert today about optimising your plumbing system's strength, durability and performance using FlowGuard CPVC.