NB/T 10522.2-2021 Automatic waterproof door for mining—Part 2:Electro-hydraulic control system

NB/T 10522.1-2021 Automatic waterproof door for mining—Part 1:Mechanical devices NB/T 10522.3-2021 Automatic waterproof door for mining—Part 3:Code for engineering design,construction and acceptance NB/T 10522.4-2021 Automatic waterproof door for mining—Part 4:Technical regulation for operation and maintenance

GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB 11118.1-2011 Hydraulic fluids of L-HL、L-HM、L-HV、L-HS and L-HG type GB/T 15478-2015 Test methods of the performances for pressure transducer/sensor GB/T 15622-2005 Hydraulic fluid power—Test method for the cylinders GB/T 17626.3-2016 Electromagnetic compatibility—Testing and measurement techniques—Radiated,radio-frequency,electromagnetic field immunity test GB/T 17626.4-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burstimmunity test GB/T 17626.5-2008 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test GB/T 25974.3-2010 Powered support for coal mine—Part 3:The hydraulic control system and valves MT/T 188.1-2006 MT 209-1990 The general technical requirements for electrical products used in coal mine communication, detection, and control MT 210-1990 The basic test methods for electrical products used in coal mine communication, detection, and control MT 443-1995 Sensor for Underground Coal Mine Environment Monitoring General Technical Requirements MT/T 772-1998 MT/T 825-1999 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 3836.6-2004 Electrical apparatus for explosive gas atmospheres—Part 6:Oil-immersion"o" GB/T 3836.6-2017 Explosive atmospheres—Part 6:Equipment protection by liquid immersion“o” GB 3836.9-1990 Electrical apparatus for explosive atmospheres Encapsulated electrical apparatus "m" GB 3836.9-2006 Electrical apparatus for explosive gas atmospheres—Part 9:Encapsulation "m" GB 3836.9-2014 Explosive atmospheres—Part 9:Equipment protection by type of protection “m” GB/T 3836.9-2021 Explosive atmospheres—Part 9:Equipment protection by encapsulation “m” GB/T 13306-1991 Plates GB/T 13306-2011 Plates JB/T 10205-2010 JB/T 10205-2010 Hydraulic cylinder MT/T 98-2006 Testing specification for hydraulic support hoses and hose assemblies MT/T 986-2006 Mining U-shaped quick connector and accessories