PEX-A vs PEX-B vs PEX-C

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Knowing how to identify the PEX plumbing you have on hand and what factors to consider when installing it, is an important skill. While the differences between different materials and products may appear trivial to the untrained eye, choosing inadequate plumbing components can be disastrous for a variety of reasons.

Plumbers can choose from three varieties of PEX tubing: PEX A, PEX B, and PEX C. The procedures used by the manufacturer to make these three materials are the fundamental variations between them. We’ll go over the differences between the various PEX pipe types in this guide. Read on.

PEX-A

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This particular sort of PEX pipe is the most flexible variety available on the market and is produced by adding peroxide during the manufacturing process. It is appropriate for use in all residential plumbing systems, including those that circulate extremely cold water. 

The fact that this PEX pipe is resistant to cracking makes it an excellent choice for you. However, this PEX pipe is fairly pricey, and you will be had to spend a little bit more additional money on it. However, the investment is unquestionably well worth it.

Pros

• The tubing on the market is both the most flexible and of the greatest quality.
• Since it is more elastic than PEX-B, the kinks in the pipe may be rectified by simply heating the pipe with a heat gun. This would make the pipe more flexible.
• PEX-A systems often have a wall thickness that is greater than that of PEX-B systems. This is because PEX-A has a lower burst strength than PEX-B, which necessitates a greater wall thickness in order to withstand the same levels of operating pressure.

Cons

• If you are installing fittings while working in frigid temperatures, this may make the process difficult.

PEX-B

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The manufacturing process of PEX-B pipe is known as the moisture-cure method. It is somewhat more rigid than PEX-A, and one of its particular characteristics is most frequently referred to as coil memory. However, this does not imply that installing this type of PEX pipe would be a tough task. It is the Pex tubing that is most in demand for use in domestic plumbing applications.

This PEX pipe expands in the event of freezing, much like PEX-A does, therefore there is no cracking of the pipe as a result. PEX-B is also famous for having a high resistance to chlorine, which makes it an excellent choice for locations that have heavily chlorinated water. This PEX pipe is more inexpensive as compared to PEX-A, making it much simpler for you to acquire.

Pros

• The least expensive of those three varieties.
• They have high crystallinity and hence higher better resistance to scratching.
• They have higher thermal stability.
• They are highly resistant to chlorine solutions.

Cons

• If the pipe is subjected to high concentrations of the chemical, it may deteriorate.

PEX-C

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Irradiation is used as one of the manufacturing processes for PEX-C pipes. Because of its extreme rigidity, working with PEX pipe is one of the most challenging aspects of the material. Since it is brittleness, it is more likely to break when subjected to freezing temperatures. 

In most cases, the PEX-C pipe should be your first choice when it comes to using PEX for making temporary repairs to your plumbing system. You should also think about putting it to use for PEX pipe fittings, particularly in situations where there are neither bends nor sharp corners. This form of PEX pipe can be purchased for a price that is considered to be rather affordable. The price will vary depending on the brand of PEX pipe as well as the diameter.

Pros

• The pricing is comparable to that of PEX-B, and the quality is comparable to that of PEX-A. 
• PEX-C pipes are environmentally friendly. 
• They are highly resistant to chlorine solutions.

Cons

• Although the pipe is more flexible than PEX-B, some users have reported that it has a little more plastic-like feel when compared to other forms of PEX.

Conclusion

In the end, it is up to you to evaluate which option is the most reasonable given the specifics of your current circumstance. Choose a fitting that will work with your system, and that is inexpensive for the size of budget you have for the task. Also, go for quality to ensure your project becomes successful. 

At TUBOMART, we offer a wide range of plumbing pipes that go well with the quality standards. In case you are looking for the best plumbing fittings for your next project, we will have your back. All your inquiries about plumbing products will be sorted. Please, contact us.