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HongYang PP-R Pipe is made of high quality material & advanced processing under GB/T 18742 standards & the sanitary requirements. To match with the PP-R pipe, HongYang provide quality PP-R Fittings with humanization design. HongYang PP-R Fittings is designed with outer indicator which can help to align the pipes during installation. This process also makes more aesthetic appearance.. Specification of PPR Pipe: 16mm; 20mm; 25mm; 32mm; 40mm; 50mm; 63mm; 75mm; 90mm; 110mm; Applications: Hot and cold water pipeline system used in domestic appliances. Drinking water pipeline system Industrial and chemical liquid flow system. Advantages of PPR Pipe system: Resistance to abrasion and corrosion High chemical resistance Long life span, Minimum 50 years life time at 60 or 70 C and 10 bar maximum pressure High abrasion resistance => high flow velocities possible Compliance with the international standards on the use of plastic materials for transportation of drinking water. Prevents UV passage prevents growth of bacteria & algae Welding capacity 100% homogeneous connections, guaranteeing leak-tight, long lasting system Fast and easy installation Silence / sound absorption Considerable noise reduction in comparison to metal Energy Saving Low heat conductivity of PP-R leads to 10-20% energy saving Reduced Condensation Low heat conductivity reduces the condensation of water on the outer surface of cold water pipes.