We stock and supply an extensive selection of MDPE (Medium-Density Polyethylene) pipes and fittings. Our products include a diverse range of MDPE Alkathene pipes, available in blue, black, and yellow, each designed to serve specific purposes.

Blue MDPE (Drinking):

Ideal for potable water applications, our blue MDPE pipe is employed for connections between distribution mains and individual properties. It's suitable for above-ground services if installed within protective ducts. Note that blue MDPE should not be used for conveying gases, oils, petrol, diesel, or compressed air. With a working pressure of up to 12.5 bar, this system is the reliable choice for cold potable water.

Black MDPE (Pumping Main):

Primarily designed for non-potable water applications such as seawater, pumped foul, riser main, and greywater. Its versatility makes it suitable for a range of industrial and agricultural purposes. Like the blue variant, it should not be used for conveying gases, oils, petrol, diesel, or compressed air.

Yellow MDPE (Gas):

Exclusively engineered for gas supply, our yellow MDPE pipe meets industry standards for safe and efficient gas distribution. It is a dedicated solution for residential and commercial gas supply applications.

Please be aware that large coils may be subject to extended lead-times.

We don't just stop at pipes – explore our extensive range of MDPE fittings compliant with WIS 4-32-11. These fittings adapt seamlessly to Polyethylene, Lead, Copper, PVC, and Galvanized Iron.

Barrier MDPE Pipe and Fittings System:

Discover our range of barrier pipes, including Trigon, Protecta-Line, and Polyguard. These pipes feature an aluminum barrier layer, making them ideal for potable water in contaminated land or brownfield sites. Complying with BS6920 water quality testing and approved under regulation 31 of the Water Supply (Water Quality) Regulations 2000, our barrier pipes offer enhanced safety and performance.

All our MDPE products are WRAS APPROVED, ensuring they meet the highest industry standards. If you can't find the specific product you're looking for, feel free to get in touch via email or phone on 01255 258525. 


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  • What does MDPE stand for?
    MDPE stands for Medium Density Polyethylene. It is a type of plastic pipe that is commonly used for gas and water supply in the UK. It is known for its durability, flexibility, and resistance to corrosion and chemicals.
  • Is MDPE safe for drinking water?
    Yes, MDPE (medium-density polyethylene) pipe is safe for drinking water. It is commonly used for water supply and distribution systems, and has been approved by regulatory agencies for use in contact with drinking water. However, it is important to ensure that the MDPE pipe you are using is certified for use with drinking water and meets all necessary standards and regulations.
  • How long does MDPE last?
    MDPE pipes are designed to last for up to 50 years, depending on the specific application and conditions. However, proper installation and maintenance can also affect the lifespan of the pipe. It is important to follow manufacturer guidelines and have regular inspections to ensure the longevity of the MDPE pipe.
  • What is the difference between blue and black MDPE?
    The main difference between blue and black MDPE pipes is their intended use. Blue MDPE is typically used for potable water supply, while black MDPE is used for non-potable water, such as irrigation or wastewater. Additionally, blue MDPE is often used in underground applications, while black MDPE is more commonly used above ground.
  • What are the advantages of MDPE pipe?
    MDPE (medium-density polyethylene) pipe has several advantages over other types of piping materials. It is lightweight, flexible, and easy to install. It is also resistant to corrosion, chemicals, and UV rays, making it ideal for use in a variety of applications, including gas and water distribution, irrigation, and sewage systems. Additionally, MDPE pipe has a long lifespan and requires minimal maintenance, making it a cost-effective choice for many projects.
  • Which is better, HDPE or MDPE?
    HDPE is generally considered to be better than MDPE for most applications. HDPE has a higher density and is more rigid, making it stronger and more durable. It is also more resistant to chemicals and UV radiation. However, MDPE is more flexible and has better impact resistance, making it a better choice for some applications. Ultimately, the choice between HDPE and MDPE will depend on the specific needs of your project.
  • Can MDPE pipe be used underground?
    Yes, the MDPE pipe can be used underground. In fact, it is commonly used for underground gas and water supply lines due to its durability and resistance to corrosion. However, it is important to ensure that the MDPE pipe is installed correctly and meets all necessary safety standards.