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ppr pipesFeatures: Material: Random Polypropylene Sizes: 16 to160mm Pressure Rating: 1.25MPa, 1.6MPa, 2.0MPa ,2.5MPa Colors: light grey, white or other colors on request Connection: socket fusion joint, electro fusion joint or transition joint Standard: GB Certification: ISO9001, ISO14001 Applications: Coldor hot water supply, heating system including flooring heating, wall heating and radiating system, Central air conditioning system, industrial liquids transportation Advantages: High Temperature Resistance: the maximum sustained working temperature is up to 70 Degrees Celsius, the maximum transient temperature is up to 95 Degrees Celsius Heat Preservation: low thermal conductivity which is only 1/1500 of brass pipe, and 1/250 of steel pipe Non-toxic: no heavy metal additives, wouldnot be covered with dirtor contaminated by bacterium Corrosion Resistant: resist chemical matters or electron chemical corrosion Lower Installation Costs: light weight and ease of installation can reduce installation costs by as much as 50% over metal piping system Higher Flow Capacity: smooth interior walls result in lower pressure loss and higher volume than metal pipes Long Life: more than 50 years under normal conditions Recycled and Environment-friendly SIZEPN 1.25MPaPN 1.6MPaPN 2.0MPaPN 2.5MPaOuterDiameterDn(mm)WallThicknessEn (mm)WallThicknessEn (mm)WallThicknessEn (mm)WallThicknessEn (mm)161.92.22022.32.83.4252.32.83.54.2322.93.64.45.4403.74.55.56.7504.65.66.98.3635.87.18.610.5756.88.410.112.5908.210.112.3151101012.315.118.316014.617.921.926.6 welcome to inquiring about more plastic pipes, such as pvc, and hdpe pipes