DB31/ 638-2012 The Energy Consumption Limit for Cast Steel Parts per Unit Product

DB31/ 638-2020 The energy consumption limit per unit product of cast steel parts

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 13466-1992 The general principles of economical operation for fans (pumps、compressors) system of alternating-current electric drive GB/T 13466-2006 The general principles of economic operation for AC driven fan (pump,air compressor) 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/T 17954-2000 Economical operation of industrial boilers GB/T 17954-2007 Economical operation of industrial boilers GB/T 17981-2000 Economic operation of air conditioning systems GB/T 17981-2007 Economic operation of air conditioning systems 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 19762-2005 The minimum allowable values of energy efficiency and evaluating values of energy conservation of centrifugal pump for fresh water GB 19762-2007 The minimum allowable values of energy efficiency and evaluating values of energy conservation of centrifugal pump for fresh water GB 19762-2025 Minimum allowable values of energy efficiency and energy efficiency grades for centrifugal pumps 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 JB/T 50151 JB/T 50162 JB/T 50182 JB/T 50184 GB/T 17981-2025 Economical operation for air conditioning systems GB/T 17954-2025 Economical operation of industrial boilers