Sch 80 CPVC Tees – Is It Beneficial?


If you’re searching for a reliable and efficient solution for your piping system, look no further than Sch 80 CPVC tees. These versatile fittings are designed to provide a seamless connection in high-pressure applications. Made from durable CPVC material, these tees offer excellent resistance to corrosion, chemicals, and extreme temperatures. 

Whether you need to join pipes in industrial, commercial, or residential settings, Sch 80 CPVC Tees are the ideal choice to ensure a leak-free and long-lasting connection. Discover the benefits of these tees and enhance the performance of your piping system today.


leak free ideal choice

Definition of Schedule 80 CPVC Tees

Schedule 80 CPVC tees are PVC fittings commonly used in plumbing systems to join three pipes together at a 90-degree angle. They are made from chlorinated polyvinyl chloride (CPVC) material and are designed to withstand high pressure and high operating temperature.

The “Sch 80” in the name refers to the pipe schedule, which is a standardized measurement of the wall thickness of the pipes. CPVC tees are available in various sizes and are widely used in industrial and residential applications.

Common Uses of Sch 80 CPVC Tees

Schedule 80 CPVC tee is used in various applications where the joining of three pipes is required.

  • They are commonly used in plumbing systems for both hot and cold water distribution.
  • CPVC tees are also used in irrigation systems, chemical processing industries, and transporting certain gases and liquids.
  • Their high-pressure and temperature resistance makes them suitable for applications where durability and reliability are essential.
  • They are also used in tandem with a reducing tee for more complex plumbing systems.

Industry Standards for Sch 80 CPVC Tees

Sch 80 CPVC tees are manufactured according to industry standards to ensure their quality and compatibility with existing plumbing systems. These standards include dimensional requirements, material composition, and performance ratings.

The most common standard for CPVC tees is ASTM D1784, which specifies the material requirements for CPVC pipes and fittings. Additionally, Sch 80 CPVC tees are subject to pressure ratings and temperature limits determined by the manufacturer and specified in their technical specifications.

Material Composition of Sch 80 CPVC Tees

Sch 80 CPVC tees are made from CPVC material, which is a thermoplastic blend of polyvinyl chloride (PVC) and additional chlorination. The chlorination process improves the material’s heat and chemical resistance, making it suitable for a wide range of applications.

CPVC material has excellent mechanical strength impact resistance and is resistant to corrosion and scale buildup. It is also highly resistant to various chemicals, acids, and bases, making it ideal for use in aggressive environments.

Structural Design and Appearance

Sch 80 CPVC tees are designed with a standard 90-degree angle branching out from the main pipe. They usually have socket ends, which allow for easy connection with pipes or other fittings using solvent cement.

The design also incorporates additional reinforcement to handle the high pressure and temperature requirements. CPVC tees have a smooth surface finish and a uniform color, typically a light tan or gray. This aesthetically pleasing appearance makes them a preferred choice for visible plumbing installations.

Key Advantages of CPVC Material

CPVC material in Sch 80 tees offers several advantages over traditional materials.

  • CPVC has a higher temperature rating than PVC, allowing it to handle hot water distribution without deforming or losing strength.
  • The material is also more resistant to chemical corrosion, making it suitable for applications in environments with aggressive chemicals.
  • CPVC is lightweight, making it easier to handle and install compared to metal alternatives.
  • CPVC is also a cost-effective solution, balancing performance and affordability.

The chemical composition of CPVC pipe makes it significantly more resistant to corrosion and degradation over time than PVC, but it also lends itself better to higher-temperature applications.

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Range of Available Sizes

Schedule 80 CPVC tees are available in a range of sizes to accommodate different pipe diameters. Common sizes for residential and commercial applications range from ½ inch to 2 inches. Larger sizes, up to 12 inches, are available for industrial applications.

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Selecting the appropriate size based on the pipe diameter and intended flow capacity is important to ensure optimal performance and compatibility with the existing plumbing system.

Understanding Pipe Schedule and Wall Thickness

The “Sch” in Sch 80 CPVC tees refers to the pipe schedule, which is a standard way of measuring the wall thickness of PVC and CPVC pipes. The schedule number indicates the allowable pressure rating for the pipe.

In the case of Sch 80 CPVC tees, schedule 80 indicates a thicker wall compared to lower schedule numbers, allowing for higher pressure and temperature resistance. It is essential to consider the pipe schedule when selecting fittings to ensure they can withstand the system’s required pressure and temperature requirements.

Key Technical Specifications and Ratings

Sch 80 CPVC tees have specific technical specifications and ratings that determine their performance capabilities. These specifications include:

  • Pressure ratings
  • Temperature limits, and
  • Compatibility with various chemicals and substances

Pressure ratings typically range from 250 psi to 600 psi, depending on the tee size and pipe schedule. Temperature limits can vary but generally range from 140°F to 200°F.

It is crucial to consult the manufacturer’s specifications and guidelines to ensure the chosen CPVC tees meet the specific application’s requirements.

Tools Required for Installation

Installing Sch 80 CPVC tees requires a specific set of tools to ensure a proper and secure connection. The tools typically needed include

  • A hacksaw or pipe cutter to cut the pipes to the desired length
  • Deburring tool or sandpaper to remove any rough edges
  • CPVC primer and solvent cement for the pipe ends and fittings
  • A measuring tape for accurate measurements, and a marker to mark the cutting points. 
  • Additionally, a wrench or pliers may be necessary to tighten any threaded connections.

General Steps for Installation

  1. Measure and mark the locations where the CPVC tees will be installed.
  2. Cut the pipe at the marked points using a hacksaw or pipe cutter.
  3. Use a deburring tool or sandpaper to smooth out any rough edges from the cut pipes.
  4. Apply CPVC primer to the outside of the pipe ends and the inside of the fittings.
  5. Apply CPVC solvent cement to the primed surfaces, ensuring even coverage.
  6. Insert the pipe ends into the CPVC tees and twist them slightly to ensure a proper bond.
  7. Hold the pipes and fittings together firmly for a few seconds to allow the solvent cement to set.
  8. Wipe away any excess primer or solvent cement.
  9. Repeat the process for any additional CPVC tees or fittings required.
  10. Allow the solvent cement to fully cure before testing the system for leaks or pressure integrity.
If you are connecting pipes this article may help you for better installation. How to connect flexible pipe to PVC

Common Mistakes and Safety Concerns in Installation

When installing Sch 80 CPVC tees, it is important to avoid common mistakes that can lead to leaks or system failures. Some common mistakes include:

  • Incomplete primer and cement application
  • Improper pipe alignment
  • Overtightening threaded connections, and
  • Failure to allow sufficient curing time for the solvent cement. 

It is crucial to follow the manufacturer’s installation guidelines and adhere to all safety precautions, including wearing appropriate personal protective equipment (PPE) such as gloves and safety glasses when handling primer and solvent cement. Adequate ventilation should be ensured in enclosed spaces to mitigate the risk of inhalation of fumes.

Industrial Applications of Sch 80 CPVC Tees

industrial applicationsSch 80 CPVC tees find extensive use in various industrial applications due to their excellent chemical resistance and high-pressure capabilities. They are commonly used in chemical processing plants, wastewater treatment facilities, and chemical transportation systems.

CPVC tees are used to join pipes in corrosive environments where the transportation of aggressive chemicals or liquids is necessary. Their durability, reliability, and resistance to chemical corrosion make them an ideal choice for demanding industrial settings.

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Residential Applications

Sch 80 CPVC tees are also widely used in residential plumbing systems for both hot and cold water distribution. They are commonly employed in residential bathrooms and kitchens, connecting pipes for showers, sinks, and toilets.

CPVC tees are also used in irrigation systems for gardens and lawns, providing a reliable and leak-free connection between pipes. The high-temperature resistance of CPVC material ensures that the tees can handle hot water distribution without any degradation, making them suitable for residential applications.

Unique Applications and Cases

In addition to their common uses in plumbing systems, Sch 80 CPVC tees also find unique applications in certain cases. These may include specialty plumbing systems in commercial buildings, industrial cooling systems, fire sprinkler systems, and pool and spa installations.

The versatility of CPVC tees allows them to be used in various scenarios where their high-pressure and temperature resistance, chemical compatibility, and durability are required.

Expected Lifespan of Sch 80 CPVC Tees

Sch 80 CPVC tees have a long expected lifespan when properly installed and maintained. Under normal operating conditions and within their recommended pressure and temperature limits, CPVC tees can provide reliable service for several decades.

The durability and resistance to corrosion and degradation make them less susceptible to wear and tear compared to other materials. However, factors such as exposure to harsh chemicals, extreme temperatures, and mechanical stress may reduce the lifespan of CPVC tees.

Routine maintenance and inspection can help identify potential issues and ensure the longevity of the tees.

Routine Maintenance and Inspection

Regular maintenance and inspection of Sch 80 CPVC tees are essential to identify any potential issues early and prevent costly repairs or replacements. Some maintenance practices include checking for leaks or signs of corrosion, ensuring proper support and alignment of the pipes and fittings, and replacing any damaged or worn-out components.

Inspections can be conducted visually or through pressure tests to assess the system’s integrity. It is recommended to follow the manufacturer’s maintenance guidelines and consult a professional plumber if any concerns arise.

Signals for Replacement or Repair

Several signals may indicate the need to replace or repair Sch 80 CPVC tees. These include:

  • Leaking joints
  • Visible cracks or damage to the tees or pipes
  • Reduced water flow
  • Signs of water damage

Any sudden pressure drop or system performance irregularities should also be investigated. If any of these signals are observed, it is important to address them promptly to avoid further damage or potential system failure. Professional assistance should be sought to assess and rectify the issue.

Handling and Installation Safety

When handling Sch 80 CPVC tees and during installation, it is important to follow proper safety precautions to avoid potential hazards. It is recommended to wear appropriate personal protective equipment (PPE), such as gloves and safety glasses, to protect the skin and eyes from contact with the primer and solvent cement.

Adequate ventilation should also be ensured, especially in enclosed spaces, to minimize exposure to fumes. It is important to read and follow the manufacturer’s safety instructions and guidelines when working with CPVC tees.

Potential Health Effects of CPVC Material

CPVC material is generally considered safe when used in plumbing applications and is approved for potable water supply by various regulatory agencies. However, prolonged exposure to CPVC dust or fumes during manufacturing or installation may irritate the respiratory system, eyes, or skin.

Handling CPVC tees in well-ventilated areas and minimizing direct contact with the material is important. If any adverse health effects are observed, it is advisable to seek medical attention.

Safe Disposal and Recycling

When disposing of Sch 80 CPVC tees, it is important to follow proper disposal procedures to minimize environmental impact. CPVC tees can be disposed of in accordance with local regulations for plastic waste.

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Recycling options for CPVC tees may vary depending on the availability of facilities in the specific region. It is recommended to consult local recycling centers or waste management authorities to inquire about recycling options for CPVC materials.

Thermal Tolerance and Performance at High Temperatures

Sch 80 CPVC tees are designed to withstand high temperatures, making them suitable for hot water distribution systems. CPVC material has a higher thermal tolerance than traditional PVC, allowing it to handle temperatures up to 200°F without compromising its structural integrity.

This high-temperature resistance ensures that CPVC tees can perform reliably in applications where hot water or other liquids are transported at elevated temperatures. However, it is important to consider the specific temperature limits the manufacturer provides and ensure they align with the system requirements.

Resistance to Chemical Corrosion

One of the key advantages of CPVC material is its resistance to chemical corrosion. Sch 80 CPVC tees exhibit excellent resistance to various chemicals, including acids, alkalis, and solvents.

This resistance allows CPVC tees to be used in aggressive chemical environments, such as chemical processing facilities or wastewater treatment plants, without damage or degradation.

It is important to consult the manufacturer’s chemical compatibility charts to ensure the chosen CPVC tees suit the specific chemicals they will contact.

Performance Under Pressure

Sch 80 CPVC tees are designed and manufactured to handle high-pressure applications. The pressure ratings provided by the manufacturer indicate the maximum allowable pressure that the CPVC tees can withstand.

These ratings typically range from 250 psi to 600 psi, depending on the size and schedule of the tees. It is crucial to select tees with appropriate pressure ratings to ensure the safety and reliability of the plumbing system.

Adequate support and reinforcement of the pipes and fittings are also essential to maintain the system’s structural integrity under pressure.

When considering pipe fittings for a plumbing system, it is important to compare the characteristics and capabilities of different materials. Sch 80 CPVC tees offer advantages such as high-temperature resistance, chemical resistance, and durability.

Selecting Between PVC and CPVC

CPVC tees, on the other hand, are designed for higher temperature and pressure applications, making them suitable for hot water distribution and chemically aggressive environments. It is important to consider the system’s specific needs and consult with professionals to make an informed decision.

The plumbing industry continues to evolve, and new materials and technologies are constantly emerging. While Sch 80 CPVC tees remain popular for many applications, alternative materials such as PEX (cross-linked polyethylene) and stainless steel are being introduced.

The Sch 80 CPVC tees market is served by several key manufacturers specializing in producing high-quality CPVC fittings. Some well-known manufacturers include NIBCO, Charlotte Pipe, Spears Manufacturing Company, and LASCO Fittings.

The brand reputation and product quality may also contribute to pricing differentials. When purchasing decisions, it is advisable to compare prices from multiple suppliers and consider the overall value, including product quality, warranty, and customer support.

Pipe Xpress is a leading pipe distributor of thermoplastic pipe products used in commercial, industrial, residential, and utility operations. All our CPVC tees are available in our store. We offer pick up and delivery. From PVC fittings to flexible pipes, we have it all.

We have complete CPVC parts that you can check out for your project. Contact us at 610-918-7120 for more details about our sch 80 CPVC tees.CTA tees