Build Plumb Plastics supply a wide range of MDPE pipe and fittings for underground water supply, non-potable water transfer and gas distribution systems. Commonly referred to as Alkathene pipe, MDPE water pipe is widely used in the UK for service connections between water mains and individual properties.We stock MDPE water pipe in a full range of sizes including 20mm, 25mm, 32mm, 40mm, 50mm and 63mm, with popular coil lengths such as 25m, 50m, 100m and 150m. Our range is suitable for domestic, commercial, agricultural and utility installations.MDPE Pipe and Fittings for Water SupplyMDPE pipe and fittings are commonly used for underground water service connections because they are flexible, corrosion resistant and easy to install. We supply a wide range of MDPE water pipe coils, MDPE compression fittings and specialist barrier pipe systems to suit different site requirements.Common MDPE Pipe SizesThe most commonly used sizes for domestic and commercial water supply installations are 20mm, 25mm and 32mm MDPE pipe.20mm MDPE pipe is typically used for smaller domestic water supply connections.25mm MDPE pipe is the most common size used for residential water service pipe installations.32mm MDPE pipe is often used where higher flow rates are required for larger properties, commercial premises or longer pipe runs.We also supply larger pipe sizes including 40mm, 50mm and 63mm MDPE pipe for higher demand installations.Blue MDPE Pipe for Potable Drinking WaterBlue MDPE pipe is designed for potable drinking water systems and is widely used for underground service connections between mains water networks and buildings. Blue MDPE water pipe is durable, flexible and resistant to corrosion, making it ideal for below-ground installations.We stock a wide range of blue MDPE water pipe in popular coil sizes for domestic and commercial projects. Where required, MDPE pipe can also be installed above ground if protected within suitable ducting or conduit.Many MDPE water pipes are rated u