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Plumbing Guide: Types of PVC Pipes

Over the past few decades, PVC has become one of the most widely used materials in several industries. The material is probably most widely used in the plumbing and piping industry. Before jumping on to learn the different types of PVC water pipes, let’s first learn what PVC is. 

 Types of PVC Pipes

Polyvinyl Chloride is a solid, brittle form of plastic which is made by by polymerisation of vinyl chloride The different variants of PVC based pipes are used for water supply, chemical and industrial effluent supply, soil water supply, sewer systems, fire sprinklers, wire protectors, drainage systems, irrigation applications and much more. Basis on the different type of manufacturing, following are the types of PVC pipes:


Unplasticised Polyvinyl Chloride is one of the most widely used variants of  PVC water pipes. It does not contain any plasticizers which are the solvents added to the material for more flexibility. These pipes are extremely lightweight and perfect for potable water supply. These pipes are easy to handle and quite economical making them a perfect choice for several household, commercial as well as industrial applications.


CPVC or Chlorinated Polyvinyl Chloride pipes are manufactured by chlorination of the normal PVC material. By doing so, the new material is highly resistant to the temperature changes. Overall, CPVC pipes have similar characteristics as that of UPVC pipes. Additionally, these pipes are corrosion-resistant. CPVC pipes are widely used in households for the supply of hot and cold water. 


Molecularly Oriented PVC is produced by turning normal PVC into a layered structure, thereby making it highly corrosion-resistant. These high pressure pipes are suitable for applications where high pressure is required such as irrigation purposes, heavy sewer and drainage systems, and industrial applications. 

Just like the other variants of PVC, these pipes are recyclable, flexible, affordable, and strong. The high ductility and resistance against cracks make them the perfect choice for pipe applications that require heavy impact and weariness. These pipes are environmentally-friendly and last for many decades.


High-impact polyvinyl chloride (PVC-Hi) is a material that is formed by mixing a combination of chemical elements into the unplasticised-PVC material. Therefore, enhancing the impact resistance capability of the material. It is an typical alloy with high-dimensional stability, hence, it can perform well under high pressure and temperature flawlessly without breaking or cracking. PVC-Hi pipes are wide used for industrial and commercial applications.

To sum up, let’s talk about some of the similar characteristics of all types of PVC based pipes. All the variants are durable, flexible, light weight, and economical choice for various plumbing applications. Additionally, the unique characteristics of these pipes such as resistance to harmful UV-rays, ability to withstand high pressure, ability to carry hot or cold water, ability to transfer volatile gas, ability to transfer reactive chemicals, etc is what defined their unique applications and usage.

Overall, UPVC and CPVC are the two types of polyvinyl chloride that are widely used in the plumbing industry for the following reasons: 

  • Lightweight
  • Corrosion resistant
  • Affordable
  • Easy to handle
  • Low maintenance


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