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The Pioneer in CPVC Technology

Piping Systems

    FlowGuard® Pipe and Fittings is one of the safest, most reliable and cost-effective plumbing solutions on the market. Billions of meters of FlowGuard CPVC have been installed in residential and commercial buildings around the globe.

    In 1959, the Lubrizol Corporation—FlowGuard Pipe and Fittings’ parent company—pioneered chlorinated polyvinyl chloride (CPVC) for use in piping systems. The first plumbing was installed in 1960, and many of our early systems are still in service today.

    In addition to quality pipe, we also offer the industry’s largest network of technical support specialists. Our team provides the necessary education and advice to help residential and commercial users get the most value from their system.

    Wherever potable water must be delivered, FlowGuard CPVC is the safe, reliable, cost-effective choice.

    What Is CPVC?

    CPVC (chlorinated polyvinyl chloride) is a strong, durable plastic material that has been successfully used in plumbing applications around the world for more than 50 years.

    Key advantages users recognize with FlowGuard CPVC include:

    • Superior water quality
    • Excellent chlorine and biofilm resistance
    • Fire resistance
    • Easy, cost-effective and safe installation

    CPVC’s inherent chemical resistance, reliability and ability to stand up to high heat and pressure make it an ideal material for residential, commercial and even industrial piping systems.

    FlowGuard® Pipe and Fittings Product Offerings

    FlowGuard CPVC piping systems have been successfully installed around the world in all types of residential and commercial buildings, including:

    To meet the requirements of each situation, our partners offer the FlowGuard CPVC in a variety of shapes and sizes.

    Piping is available in sizes from ½ in. up to 8 in. for Schedule 80, according to ASTM F441. Fittings are made at the same size according to ASTM F437 and F439. Complete the plumbing system with specially engineered CPVC valves.

    About Our Partner Manufacturers

    FlowGuard Pipe and Fittings specially engineers and manufactures the CPVC compound that our partner manufacturers convert to pipes, fittings and valves.

    To ensure reliability and consistency across manufacturers, these partners are selected according to their proven track record and reliability. Each must adhere to our Quality Assurance Program, which requires regular checks for product sizing, performance and consistency. Learn more about our partner manufacturers, which include:

    • Flotek
    • Karishma

    Why Trust FlowGuard CPVC?

    FlowGuard CPVC has long been a trusted solution for residential and commercial plumbing. Our material meets or exceeds the necessary safety, performance and quality assurance requirements of key international approval agencies, including:

    Millions of homeowners, building owners, traders and plumbers trust and prefer FlowGuard CPVC due to its reputation and performance.

    Learn More About FlowGuard Pipe and Fittings

    If you are new to FlowGuard CPVC, or new to CPVC in general, our team of product and engineering specialists are available to answer your questions. We will work with you to provide the localized support and information needed to improve your plumbing system.


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    Debunking CPVC Myths

    Find straightforward answers to questions about: joint reliability, drinking water safety, service life and more.


    Want to Learn More About Industrial CPVC?

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    Ready to Get Started?

    Contact us for a free process suitability and technical consultation. We want to make sure you get the localized support and information you need to take your project from blueprint to completion.

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