Neltex - PPR pipes should be with the right size and thickness to ensure right pressure rating and perform exactly per your plumbing design. Here's a quick guide on PPR pipe dimension
![Source ppr pipes pressure rating S2 S3.2 S4 S5 polypropylene pipe for cold and hot water on m.alibaba.com Source ppr pipes pressure rating S2 S3.2 S4 S5 polypropylene pipe for cold and hot water on m.alibaba.com](https://sc02.alicdn.com/kf/HTB1YamkN7voK1RjSZFNq6AxMVXa5/235993991/HTB1YamkN7voK1RjSZFNq6AxMVXa5.jpg)
Source ppr pipes pressure rating S2 S3.2 S4 S5 polypropylene pipe for cold and hot water on m.alibaba.com
![The Best Quality Green White Color Plastic PPR Pipes for Water Supply - China PPR Pipe, PPR Pipe and Fittings | Made-in-China.com The Best Quality Green White Color Plastic PPR Pipes for Water Supply - China PPR Pipe, PPR Pipe and Fittings | Made-in-China.com](https://image.made-in-china.com/202f0j00ReIiBfjMZaoF/The-Best-Quality-Green-White-Color-Plastic-PPR-Pipes-for-Water-Supply.jpg)