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Lifecycle analysis


The carbon footprint is the total of all greenhouse gases emitted into the atmosphere throughout the lifetime of a product, from extraction to refining, plus production, trans- port, use and disposal.


The quality of the environmental performance of piping sys- tems in thermoplastics has been shown by assessing the lifecycle of the pipes for applications in the building technol- ogy, industry and water and gas distribution sectors.


The analysis compares the environmental impact of a one metre pipe for each of the commonly used plastics with the main competitor materials (for DN25, 80, 150 and 400). The study was conducted by an independent Swiss company specialising in the analysis of environmental performance and is based on Ecoinvent, the world’s leading life cycle in- ventory database. The graphic shows the results as follows.


Disposal Transport


25.0 20.0 15.0 10.0 5.0 0.0


Production of pipes Production of raw materials


The main conclusions of this study are that plastic piping systems offer better performance than metal systems, a re- sult which has also been confirmed by various other studies in this area. Thermoplastics score particularly highly be- cause of the reduced weight, which pays off in the transport and installation areas. Fully plastic solutions are lighter than other piping systems using conventional materials and this has a positive impact on the carbon footprint.


5


The conclusions reached by these studies and by other simulations available have been brought together in a tool (www.gfps.com–online tools) for calculating the savings in carbon dioxide emissions by using plastics rather than the more common metals.


Kilograms of CO2


equivalent


Copper Stainless steel Galvanized steel Non-coated steel ABS COOL-FIT 2.0 INSTAFLEX/PB AQUASYSTEM/PP PVC-C


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