Complete Comparison Guide for PVC, PPR, and PB Pipes – Which Pipe Fits Your Needs?

Whether you're remodeling a home, installing a boiler, or laying underground pipes, one question always arises: "Which pipe should I use?" Among various options, PVC, PPR, and PB are the most commonly used types. This post compares their features and helps you choose the right one for your specific needs.

 

 

1. PVC Pipe: Best for Drainage and Cold Water

PVC (Polyvinyl Chloride) is cheap and lightweight but has poor heat resistance. It's not suitable for hot water or high-pressure applications. Commonly used for drainage, rainwater systems, and electrical conduits. Usually grey in color.

  • Pros: Affordable, easy to install, corrosion-resistant
  • Cons: Poor heat and pressure resistance
  • Recommended for: Bathroom drains, kitchen sink discharge, external pipelines
    Infographic comparing PVC, PPR, and PB pipes by characteristics and recommended usage, showing illustrations and bullet points for each pipe type

2. PPR Pipe: The Champion of Hot Water and Heating

PPR (Polypropylene Random Copolymer) can withstand high temperatures up to 95℃, making it ideal for boilers and hot water lines. It’s joined by heat fusion, reducing the risk of leaks. Typically green, blue, or gray.

  • Pros: Excellent heat resistance, no rust, durable
  • Cons: Requires welding, more expensive
  • Recommended for: Boiler systems, hot water lines in bathrooms/kitchens

3. PB Pipe: Flexible and Easy to Install

PB (Polybutylene) is extremely flexible, making it ideal for tight spaces or complex layouts. It's excellent for embedded installations and floor heating. Usually white or semi-transparent gray.

  • Pros: Very flexible, fewer joints needed, quick installation
  • Cons: Sensitive to UV, not suitable for outdoor exposure
  • Recommended for: Floor heating, embedded plumbing, premium residential setups

 

 

4. Pipe Comparison Summary

Feature PVC PPR PB
Heat Resistance Low (~50℃) High (~95℃) Moderate (~82℃)
Pressure Tolerance Poor Excellent Good
Flexibility None Medium Very High
Installation Ease Easy Requires Welding Very Easy
Best Use Drainage Hot Water Floor Heating

 

 

5. Conclusion: Choose by Function

Use PVC for drainage, PPR for hot water and boilers, and PB for embedded or floor systems. Each pipe type has its strengths. Smart selection based on application ensures durability and efficiency in plumbing systems.

 

 

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