PPR pipe sizes are more than numerical measurements—they define how precisely a system performs. When pipe dimensions align with certified fittings, the result is a sealed, efficient, and hygienic network. At VIALLI, we prioritize clarity, accuracy, and reliability through dimensionally precise and rigorously tested piping systems. Every pipe is produced under controlled manufactu... https://hackmd.io/@bVXQ4sTfS4uo8iS9obs5gw/H1gXYfEGZx