A barrier pipe is a robust type of water pipe that is frequently used instead of MDPE (medium density polyethylene) pipes in areas with contaminated soil. This is because MDPE pipes lack the strength needed to prevent contaminants from seeping in. Barrier pipes offer enhanced protection compared to MDPE pipes since they are specifically designed to safeguard the water flowing through them. However, they tend to be more expensive due to the complex manufacturing process involved. There are several types available, including ductile iron, plastic-coated copper, and multi-layer pipes featuring an inner metal layer.
Key points to remember include:
- Barrier pipes have a metal lining that shields the water from soil contaminants.
- Both Puriton and Protecta-line barrier pipes meet British standards (BS 8588).
Barrier pipes are particularly favored for projects on brownfield sites—areas previously utilized for industrial purposes—because they ensure that any toxins or poisons left behind don’t infiltrate the water supply. Ductile iron barrier pipes are typically used for potable water distribution, while plastic-coated copper pipes are popular for bathroom plumbing. Multi-layer pipes with a metal layer are commonly employed in general water systems and drinking water setups. The most widely used type consists of a metal inner layer encased in polyethylene, ideal for transporting drinking water.
One of the standout advantages of barrier pipes is their reliability and stability during installation. They possess flexible polyethylene inner and outer walls, making them easy to install and highly adaptable. Their strength comes from their construction, which usually includes a polyethylene core, an aluminum layer, and an outer polyethylene coating. This design prevents oxygen ingress, stopping internal metals from corroding. Being made of polyethylene—a cost-effective and durable material—these pipes are also environmentally friendly and offer long-term performance.
When selecting between different barrier pipe options, such as Puriton and Protecta-line, it's important to consider the Standard Dimension Ratio (SDR). Lower SDR values indicate thicker walls, which are better suited for higher-pressure applications. Common choices are SDR 11 and SDR 17. SDR 11 offers greater stability but less flexibility compared to SDR 17, which excels in ring deflection, meaning it can withstand more bending stress.
If you're planning to install barrier pipes in a brownfield area, it's essential to understand the history of the land. Past uses might include heavy industry, chemical production, or even radioactive material handling. Conducting thorough research into the site's history helps determine the appropriate type of barrier pipe required for your project.
For those seeking to purchase barrier pipes, it's advisable to consult with experts who can guide you based on your specific needs and environmental considerations. At our store, we offer a variety of barrier pipes, including Blue Barrier Pipe Coils, available in different sizes and configurations. Our products are crafted to meet stringent quality standards, ensuring safety and compliance with relevant regulations.
Remember, choosing the right barrier pipe is critical for the success of your project. If you're unsure about the specifics, feel free to reach out to us—we’re here to assist!
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