Facts about PVC Pipes

Introduction

PVC pipes, made of polyvinyl chloride, possess numerous advantages and find wide applications. They exhibit good rigidity and toughness, performing exceptionally well in pressurized applications. With smooth inner walls, they resist clogging, have strong water resistance, and incur low maintenance costs. Furthermore, PVC pipes are lightweight, highly malleable, easy to install, harmless to equipment, fostering innovation and change in product design. They also demonstrate heat and cold resistance, are non-conductive, corrosion-resistant to electrolysis or electric currents, and are difficult to ignite, thus enhancing fire safety. In terms of maintenance, PVC pipelines should avoid physical damage and be protected and covered upon installation completion. For outdoor or sunlight-exposed pipelines, additional protective layers are necessary to prevent chemical damage. Draining should be done in low-temperature seasons to prevent freezing. After concealed work, proper labeling is essential to prevent damage from other construction activities. In summary, PVC pipes are durable, economical, and safe materials, widely used in water treatment, electricity, construction, and other fields.

What are PVC Pipes?

Polyvinyl chloride (PVC) pipes consist of polyvinyl chloride, a plastic derived from a mixture of chlorine and ethylene. The resulting product is a sturdy and durable white or light-colored plastic. PVC pipes serve various purposes, including water and wastewater transportation, as well as electrical wiring and conduits. One advantage of PVC pipes is their resistance to corrosion when they come into contact with many common substances in the environment, such as acids, alkalis, oils, and salts. This characteristic makes PVC an ideal material for underground systems that may encounter these elements. Additionally, PVC is non-toxic and does not emit harmful smoke when burned.

Advantages of PVC Pipes

  1. PVC pipes exhibit excellent rigidity and toughness, suitable for applications requiring pressure resistance, such as the desalination equipment produced by Zhuhai Wangyang, which uses reverse osmosis to desalinate seawater and requires fittings with good pressure capabilities.
  2. PVC pipe’s smooth inner walls resist clogging, have strong water resistance, and are less prone to scaling, making maintenance of desalination equipment relatively simple and cost-effective.
  3. PVC material’s lightweight nature compared to cast iron makes transportation convenient and installation easy.
  4. PVC pipes are highly malleable, facilitating convenient cutting and connections without harm to equipment, which is conducive to innovative and transformative product design, humanized equipment customization, accelerating the progress of seawater desalination equipment projects, and advantageous for maintenance and cost savings.
  5. UPVC material is non-conductive and resistant to corrosion by electrolysis or electric currents, making the use of UPVC fittings safer and more reliable for desalination equipment driven by electricity.
  6. Using PVC pipe costs less than using materials of the same specifications, thus minimizing the cost of seawater desalination equipment.
  7. PVC pipe demonstrate heat and cold resistance, broadening the range of applications for desalination equipment.
  8. PVC pipes are difficult to ignite and do not support combustion, thereby enhancing fire safety.
  9. PVC fittings do not harbor bacteria, are non-toxic in processing, environmentally friendly, ensuring no secondary pollution to water quality during seawater desalination, and contributing to national sustainable development.

How to Maintain PVC Pipes?

After concealing PVC pipelines, it’s essential to conduct pressure testing, aligning the test pressure with the working pressure. Once the concealed layer attains the required strength, remove the test pressure. Due to PVC pipes’ softness and low mechanical strength, avoid physical damage. Prohibit knocking, collision, impact, and compression post-installation. Take measures to cover and protect them before concealment. For PVC pipes in manholes, prevent damage from falling bricks or debris before closure. Although PVC pipes resist chemical corrosion, this aspect is often overlooked during construction. Hence, outdoor pipelines exposed to sunlight should have an additional layer of dark protective coating to prevent sunlight-induced chemical damage. In low-temperature seasons, promptly drain water inside PVC pipelines if proper insulation measures are lacking to prevent freezing. Proper labeling post-concealment is necessary to prevent damage from other construction activities.

Conclusion

PVC pipes stand out as excellent pipeline materials due to their advantages, including good rigidity, lightweight construction, corrosion resistance, safety, reliability, and ease of installation. They are suitable for various applications such as water and wastewater transportation, electrical wiring, and conduits. To guarantee the performance and longevity of PVC pipes, one must adhere to certain maintenance rules during installation and use. These include avoiding physical damage, preventing chemical damage, and conducting concealed testing. Following these practices allows for better utilization of the advantages of PVC pipes, ensuring their long-term stable operation, enhancing equipment efficiency, and extending service life.

Contact

With 30 years of experience, IFAN is a professional manufacturer of plastic pipes, fittings, and valves in China. If you are interested in IFAN’s copper valves, PPR valves, pipes, and fittings, please feel free to contact us. IFAN provides various standard pipelines to meet your specific needs. Click below to learn more about IFAN’s diverse, cost-effective valve products and pipeline system-related products.

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