This standard specifies the terms and definitions, technical requirements, statistical scope, calculation methods, and energy-saving management and measures for the energy consumption per unit product (hereinafter referred to as energy consumption) limit of polypropylene (PP-R) pipes for hot and cold water. This standard is applicable to the calculation and assessment of unit product energy consumption of polypropylene (PP-R) pipe manufacturers for hot and cold water, as well as the energy consumption control of new and expanded projects.
DB31/ 724-2013 history
2019DB31/ 724-2019 Energy consumption quota per unit product of polypropylene (PP-R) pipes for hot and cold water
2013DB31/ 724-2013 Energy consumption quota per unit product of polypropylene (PP-R) pipes for hot and cold water