NB/T 10534-2021 Compressed refrigerating installation used in coal mine

GB 150-1998 Steel pressure vessels GB/Z 150-2025 Guide for magnetizing behaviour of permanent magnets 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 150.3-2011 Pressure vessels—Part 3:Design GB/T 150.3-2024 Pressure vessels—Part 3:Design GB/T 150.4-2011 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 150.4-2024 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB 151-1999 Tubular heat exchangers GB/T 151-2014 Heat exchangers GB/T 151-2026 Heat exchangers GB/Z 151-2026 Fire prevention measures on converters for high-voltage direct current(HVDC)systems,static var compensators(SVC)and flexible AC transmission systems(FACTS)and their valve halls GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.2-2000 Electrical apparatus for explosive gas atmospheres—Part 2:Flameproof enclosure “d” GB 3836.2-2010 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures "d" GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d” GB 3836.3-2000 Electrical apparatus for explosive gas atmospheres—Part 3:Increased safety “e” GB 3836.3-2010 Explosive atmospheres—Part 3:Equipment protection by increased safety "e" GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e” GB 3836.4-2000 Electrical apparatus for explosive gas atmospheres—Part 4:Intrinsic safety“i” GB 3836.4-2010 Explosive atmospheres—Part 4:Equipment protection by intrinsic safety "i" GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i” GB 3836.5-2004 Electrical apparatus for explosive gas atmosphere—Part 5:Pressurized enclosures"p" GB/T 3836.5-2017 Explosive atmospheres—Part 5:Equipment protection by pressurized enclosure"p" GB/T 3836.5-2021 Explosive atmospheres—Part 5:Equipment protection by pressurized enclosure "p" GB/T 9237-2017 Refrigerating systems and heat pumps—Safety and environmental requirements GB/T 9969-2008 General principles for preparation of instructions for use of industrial products GB/T 10079-2018 Single-stage reciprocating refrigerant compressor(unit) GB/T 10111-1988 Methods for random sampling by utilizing dices of random number GB/T 10111-2008 Generation of random numbers and procedures applied to sampling inspection for product quality GB/T 13306-1991 Plates GB/T 13306-2011 Plates 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 19410-2008 Screw refrigerant compressors GB/T 21363-2018 Positive displacement refrigerant compressor condensing unit AQ 1043-2007 Mining Product Safety Mark Identification JB/T 4330-1999 Determination of noise emitted by refrigeranting and air conditioning equipments JB/T 7249-1994 Refrigeration equipment terminology 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 TSG 21-2016 Supervision Regulation on Safety Technology for Stationary Pressure Vessel