GB/T 24912-2015 Additive pipe pressure water supply devices for columned tank

GB/T 24912-2010 Boosting pressure water supply equipment for columned tank

GB/T 3797-2005 Electrical control assemblies GB/T 150.1-2011 Pressure vessels—Part 1:General requirements GB/T 150.1-2024 Pressure vessels—Part 1:General requirements GB/T 150.2-2011 Pressure vessels—Part 2:Materials GB/T 150.2-2024 Pressure vessels—Part 2:Materials GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.3-1993 Basic environmental testing procedures for electric and electronic products—Test Ca:Damp heat, steady state GB/T 2423.3-2006 Environmental testing for electric and electronic products—Part 2:Testing method—Test Cab:Damp heat, steady state GB/T 2423.3-2016 Environmental testing—Part 2:Testing method—Test Cab:Damp heat,steady state GB/T 3047.1-1995 Series of basic dimensions of panels, rack and cabinets for vertical increment of 20mm GB/T 3214-1991 Methods for measurement of capacity of pump GB/T 3214-2007 Methods for measurement of capacity of pump GB/T 3216-2005 Rotodynamic pumps—Hydraulic performance acceptance tests—Grades 1 and 2 GB/T 3216-2016 Rotodynamic pumps—Hydraulic performance acceptance tests—Grades 1,2 and 3 GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 5656-1994 Technical specifications for centrifugal pumps—Class II GB/T 5656-2008 Technical specification for centrifugal pumps—ClassⅡ GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system 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 CJ/T 254-2007 Additive pipe pressure water supply devices CJ/T 254-2014 Additive pipe pressure water supply devices CJ/T 352-2010 Variable-frequency governed speed water supply equipment with microcomputer control JJG 49-1999 Bourdon Tube Precise Pressure Gauge and Vacuum Gauge JJG 49-2013 Elastic Element Precise Pressure Gauges and Vacuum Gauges JJG 795-2004 Withstanding Voltage Testers JJG 795-2016 Withstanding Voltage Testers JJG 984-2004 Earth-Continuity Testers JJG 1005-2005 Electronic Insulating Resistance Meters JJG 1005-2019 Electronic Insulation Resistance Meters JJG 1033-2007 Electromagnetic Flowmeters JB/T 8098-1999 Methods of measuring and evaluating noise of pumps GB 19762-2025 Minimum allowable values of energy efficiency and energy efficiency grades for centrifugal pumps GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system GB/T 191-2025 Graphical symbols marking for handling and storage of packages