I te nuinga o te wa ko te DN50-300 te rahi o te tohu tohu ahi me te pehanga iti iho i te PN16.Kei te whakamahia nuitia i roto i te matū waro, te petrochemical, te rapa, te pepa, te rongoa me etahi atu paipa hei whakakorikori me te whakakotahitanga, he taputapu whakawhiti rere ranei mo te hunga pāpāho.