difference between PVC and SWR pipe
30th, May, 2025
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What Is the Difference Between PVC and SWR Pipe?

If you are planning plumbing work at home or in a building, you might hear two common terms – PVC pipes and SWR pipes. But do you know what they really are and how they are different?

In this blog, we will explain the difference between PVC and SWR pipes in simple English, so you can make the right choice for your construction needs.

What is PVC Pipe?

PVC stands for Polyvinyl Chloride. It is a plastic pipe commonly used for cold water plumbing, irrigation, and sometimes electrical wiring protection.

Common Uses of PVC Pipes:

  • Plumbing (especially cold water lines)

  • Agricultural irrigation

  • Electrical cable protection

  • Home construction water systems

Features of PVC Pipe:

  • Lightweight

  • Easy to install

  • Non-corrosive

  • Durable

  • Not suitable for hot water

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What is SWR Pipe?

SWR stands for Soil, Waste, and Rainwater. These pipes are specially designed to carry wastewater, sewage, and rainwater from buildings to drainage systems.

Common Uses of SWR Pipes:

  • Drainage system for homes and buildings

  • Soil and waste discharge from toilets and bathrooms

  • Rainwater disposal from roofs

Features of SWR Pipe:

  • Designed for non-pressure applications

  • Strong and leak-proof joints

  • Chemical-resistant

  • Long-lasting

  • UV-resistant

Key Differences Between PVC and SWR Pipes

Feature

PVC Pipe

SWR Pipe

Full Form

Polyvinyl Chloride

Soil, Waste & Rainwater

Main Use

Water supply and irrigation

Waste, soil, and rainwater disposal

Pressure Resistance

Can handle water pressure

Used for non-pressure flow systems

Joints

Uses solvent cement or threading

Rubber ring and push-fit system

Strength

Good strength

Higher strength for drainage

UV Resistance

May degrade in sunlight

UV-resistant

Colour

Usually white or grey

Generally grey or blue

Durability

Long-lasting

Very long-lasting with proper usage

Application Area

Water supply lines

Drainage, soil, and waste lines


Read More: Top 10 PVC Pipe Companies in India 2025

Which One Should You Choose?

  • Use PVC pipes when you want to carry clean water, especially in homes, gardens, or farms.

  • Choose SWR pipes if you want to handle dirty water, toilet waste, or rainwater drainage from roofs.

Tips Before Buying PVC or SWR Pipes:

  • Always check ISI certification.

  • Choose the right pipe diameter for your needs.

  • Ask the plumber which type is better for your home’s layout.

  • Don’t mix both pipes for the same purpose.

Conclusion

Now you know the basic difference between PVC and SWR pipes. While both are plastic pipes and look similar, their uses are very different. PVC pipes are for clean water, and SWR pipes are for wastewater and drainage.

Always choose the right pipe depending on the need, and ensure good quality material for long life and leak-proof performance.


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