1,Lower installation costs 2,Higher flow capacity Longevity 3,50 years under pressure use 4,Recycle and environmnt-friedly Product DescriptionMaterial: High quality PE80 or PE100 Sizes: 20mm-1200mm Pressure: 0.4Mpa, 0.6Mpa, 0.8Mpa, 1.0Mpa, 1.25Mpa, 1.6Mpa Color: Black, blue or others on request Connection: Stock butt-fusion, electro-fusion, flanged Standard: ISO4427 or GB/13363-2000 Certification ...