... to 630mm; 3, for pe 80 from 63mm to 710mm; 4, with pn0.4mpa, 0.6mpa, 0.8mpa...1.6mpa 1, ... Certification:ISO9001,ISO14001,OHSAS180019.Applications:water supply,industrial liquids transportation and sewage treatmentAdvantages:1.Non-toxic:no heavy metal additives, ... matters or electron chemical corrosion3.Lower Installation Costs:light weight and ease of installation can reduce installation costs by as ...