DB31/ 724-2019 The Energy Consumption Standards for Polypropylene (PP-R) Pipe in Cold and Hot Water Usage Units
This standard specifies the technical requirements, statistical scope, calculation methods, and guidance for energy conservation and reduction for the unit energy consumption (hereinafter referred to as energy consumption) of polypropylene (PP-R) pipes used for cold and hot water in Shanghai.
This standard applies to the calculation and assessment of the unit energy consumption of polypropylene (PP-R) pipes used for cold and hot water in Shanghai, as well as the control of energy consumption in new projects.