Pipe Supplies

CPVC Industrial Pipe, Chemical Grade PN10, High-Temperature Resistant, Thickened Plastic, Acid and Alkali Resistant for Industrial Water Treatment

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  1. Product Description

    • CPVC Material: CPVC (Chlorinated Polyvinyl Chloride) is a modified form of PVC. The chlorination process enhances its properties, making it more suitable for industrial applications. It has excellent chemical resistance and thermal stability compared to regular PVC.

    • PN10 Rating: The PN10 indicates a nominal pressure rating of 10 bar. This means the pipe is designed to handle a maximum working pressure of 10 bar under normal operating conditions. However, the actual pressure - handling capacity can also be affected by factors such as temperature and the nature of the fluid being transported.

    • High - Temperature Resistance: The high - temperature resistance property allows the pipe to be used in systems where the temperature of the transported fluid may be elevated. It can typically withstand temperatures up to around 93 - 100°C (depending on the specific formulation), which is significantly higher than standard PVC pipes. This makes it suitable for applications where hot water or warm chemical solutions are involved in industrial water treatment processes.

    • Thickened Plastic: The thickened wall of the pipe provides added strength and durability. It can better resist external mechanical forces such as impacts, vibrations, and pressure surges. The thicker wall also contributes to the overall structural integrity of the pipe, reducing the risk of cracks and leaks.

    • Acid and Alkali Resistance: The pipe's resistance to acids and alkalis is crucial for industrial water treatment. It can withstand a wide range of acidic and alkaline solutions commonly found in water treatment plants. For example, it can handle solutions of hydrochloric acid (HCl), sulfuric acid (H₂SO₄), sodium hydroxide (NaOH), and other chemicals used for water purification, such as coagulants and disinfectants.

  2. Advantages in Industrial Water Treatment

    • Chemical Compatibility: In water treatment, various chemicals are used to purify water, adjust pH, and disinfect. The acid and alkali - resistant nature of CPVC pipes ensures that they do not react with these chemicals. This helps to maintain the purity of the water being treated and also prevents the pipe from degrading due to chemical exposure.

    • Temperature Stability: The ability to handle high - temperature fluids is beneficial. For example, in processes like heat - activated chemical reactions for water disinfection or when dealing with warm water from industrial processes that need to be treated, the CPVC pipes can maintain their integrity and performance.

    • Durability: The thickened plastic construction and overall durability of CPVC pipes mean they have a longer service life. They are less likely to break or leak, reducing the need for frequent replacements and maintenance. This is especially important in industrial settings where downtime for pipe repair can be costly.

  3. Installation and Connection Methods

    • Solvent Cementing: CPVC pipes are often joined using solvent cement. The process involves cleaning the pipe ends, applying the solvent cement to both the inside of the fitting and the outside of the pipe, and then quickly inserting the pipe into the fitting. The solvent causes the plastic to soften slightly and fuse together, creating a strong, leak - free joint. It's important to follow the manufacturer's instructions regarding the drying time and handling of the joined pipes during the curing process.

    • Mechanical Connections: Some CPVC pipe systems also use mechanical connections such as compression fittings. These fittings use a gasket and a compression nut to create a seal. They are useful in situations where disassembly may be required in the future, such as for maintenance or modification of the piping system. However, proper installation and torque specification must be followed to ensure a reliable seal.

  4. Limitations and Considerations

    • UV Sensitivity: CPVC pipes are generally sensitive to ultraviolet (UV) radiation. Prolonged exposure to sunlight can cause the pipe material to degrade, leading to a loss of strength and color change. Therefore, in outdoor applications, it's essential to provide proper shielding or use UV - resistant coatings to protect the pipes.

    • Maximum Pressure and Temperature: While the pipe has a PN10 pressure rating and high - temperature resistance, exceeding the recommended pressure and temperature limits can lead to pipe failure. It's crucial to carefully consider the operating conditions and select the appropriate pipe size and material based on the maximum expected pressure and temperature of the system.


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