NB/T 11634-2024 Low noise structural design and noise limit requirements of auxiliary fan used for coal mine

GB/T 1236-2000 Industrial fans—Performance testing using standardized airways GB/T 1236-2017 Industrial fan—Performance testing using standardized airways GB/T 2888-1991 Methods of noise measurement for fans, blowers compressors and Roots blowers GB/T 2888-2008 Methods of noise measurement for fans blowers compressors and Roots blowers GB 8624-2012 Classification for burning behavior of building materials and products GB/T 13813-2001 Testing method and judging rule of safety to friction spark of metallic material for coal mine GB/T 13813-2008 Testing method and judging rule of safety to friction spark of metallic material for coal mine GB/T 13813-2023 Testing method and judging rule of safety to friction spark of metallic material for coal mine GB/T 17795-1999 Glass wool thermal insulating products for building GB/T 17795-2008 Glass wool thermal insulating products for building GB/T 17795-2019 Glass wool thermal insulating products for building JB/T 6891-2017 Fan silencer technical specification JB/T 6891-2004 Fan silencer technical specification JB/T 9100-2014 JBT 9100-2014 Mine local fan technical specifications JB/T 9100-1999 JBT 9100-1999 Conditions for local ventilation machines in mines MT 113-1995 Flame and Electrostatic Resistance Test Method and Criteria for Polymer Products Used in Coal Mine Underground Workplaces MT 222-1996 Mining local blower for coal mine MT/T 222-2019 The technical specifications for local fans used in coal mines MT 222-1990 Local blower for coal mine MT/T 222-2007 MT/T 222-2007 Specification for local fan used in coal mine MT 500-1996 Coal mining pneumatic local blower MT/T 500-2008 The technical specifications for pneumatic (liquid) local fans used in coal mines