Blue 12 bar Polythene PE80 MDPE Water pipe Blue MDPE pipe is approved for use in buried mains water installations. For long overground runs useBlack MDPEpipe to prevent light ingress ratings are as follows:
20mm Blue MDPE PE80 pipe SDR 9 - 16 bar 25mm, 32mm 50mm, 63mm Blue MDPE PE 80 pipe SDR11 - 12 Bar
This type of pipe is often refered to as Polypipe, Poly, Alkathene, Blue Water pipe