... to 710mm; 4, with pn0.4mpa, 0.6mpa, 0.8mpa...1.6mpa 1, 150mm hdpe pipePE water supply pipeMaterial:high quality PE80 or PE100Standard ... .Certification:ISO9001,ISO14001,OHSAS180019.Applications:water supply,industrial liquids transportation and sewage treatmentAdvantages:1.Non-toxic:no heavy metal additives,would ...