DB31/ 897-2015 The norm of comprehensive energy consumption per unit product of ready mixed mortar

GB/T 2589-1990 General principles for calculation of total production energy consumption GB/T 2589-2008 General principles for calculation of the comprehensive energy consumption GB/T 2589-2020 General rules for calculation of the comprehensive energy consumption GB 12497-1995 Three-phase induction motor energy-saving operation GB/T 12497-2006 Three-phase induction motor's economic operation GB/T 13462-1992 Guides for the power transformers energy saving operation in factories and mines GB/T 13462-2008 Economical operation for power transformers GB/T 13469-1992 Economical operation for industrial centrifugal, mixed flow, axial flow and vortex pump systems GB/T 13469-2008 Economical operation for centrifugal,mixed flow,axial flow and vortex pump systems GB/T 13469-2021 Economical operation for centrifugal,mixed flow and axial flow pump systems GB/T 13470-1992 Economical operation of the fan system GB/T 13470-2008 Economical operation for the fan system GB/T 17167-1997 Guides for providing and managing of the measuring instruments of energy in enterprise GB 17167-2006 General principle for equipping and managing of the measuring instrument of energy in organization of energy using GB 17167-2025 General rules for energy measuring instrument equipping and managing of energy user GB 18613-2002 Limited values of energy efficiency and evaluating values of energy conservation of small and medium three-phase asynchronous motors GB 18613-2006 Minimum allowable values of energy efficiency and the energy efficiency grades for small and medium three-phase asynchronous motors GB 18613-2012 Minimum allowable values of energy efficiency and energy efficiency grades for small and medium three-phase asynchronous motors GB 18613-2020 Minimum allowable values of energy efficiency and values of efficiency grades for motors GB 19153-2003 Limited values of energy efficiency and evaluating values of energy conservation for displacement air compressors GB 19153-2009 Minimum allowable values of energy efficiency and energy efficiency grades for displacement air compressors GB 19153-2019 Minimum allowable values of energy efficiency and energy efficiency grades for displacement air compressors GB 19761-2005 The minimum allowable values of energy efficiency and evaluating values of energy conservation for fan GB 19761-2009 Minimum allowable values of energy efficiency and energy efficiency grades for fan GB 19761-2020 Minimum allowable values of energy efficiency and energy efficiency grades for fan GB 20052-2006 The minimum allowable values of energy efficiency and the evaluating values of energy conservation for three-phase distribution transformers GB 20052-2013 Minimum allowable values of energy efficiency and energy efficiency grades for three-phase distribution transformers GB 20052-2020 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers GB 20052-2024 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers GB/T 24851-2010 Specification for equipping and managing of measuring instrument of energy in building material industry GB/T 24851-2024 Specification for equipping and managing of measuring instrument of energy in building material industry GB/T 25181-2010 Ready-mixed mortar GB/T 25181-2019 Ready-mixed mortar GB/T 27883-2011 Economical operation for displacement air compressor system