Polypipe Medium Density Polyethylene (MDPE) Water Service Pipe is available in 12 Bar pressure class and a choice of diameters to suit any project. A robust, easy to handle polyethylene pipe - it is suitable for potable and non-potable applications depending on colour. Blue 20 to 63mm MDPE Water Service Pipe is suitable for underground potable water services. Manufacturer: Polypoly. Blue 12 Bar Pressure Pipe manufactured by Polypipe Building Products as part of the Water Supply range - Water Service Pipes MDPE PE80. Features & Benefits: Suitable for delivering cold water mains into a household. MDPE fittings are compression fittings and its component clamp and seal pipework making it secure and leak free. A robust, easy to handle polyethylene pipe suitable for potable and non potable applications. Polyblu MDPE Water Service Pipe is available in two pressure variants and a choice of diameters to suit your project.