MT 221-1991 Replaced Industry standards-Coal

MT 221-1991 Mining anti-explosion lamp for coal mines

Publish Date: 1991-01-15 Implement Date: 1991-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: MT 221-1991

Standard Type: Industry standards

Standard Status: Replaced

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 1991-01-15

Implement Date: 1991-03-01

Publisher: The Ministry of Energy of the People's Republic of China

Technical Committee: Shanghai Branch of China National Coal Research Institute

Pages: 9 pages

Development Information

Drafting Units:

Shanghai Branch of China National Institute of Coal Sciences and Technology, and Beijing Construction Institute

Drafting Persons:

Su Bingxiang, Wang Changping, and Li Xuzhan

Word Count: 16 Thousand words Pages: 9 pages

Superseded by the following standards

MT/T 221-2005 Explosion proof lamp for coal mine

Referenced Standards

GB 998 GB 1497 GB 7001 GB 7003 GBJ 70 ZB K63 003 GB/T 1410-2006 Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials GB 1444-1987 Edison screw lamp holders specially used for explosion-proof luminaries GB/T 1444-2008 Edison screw lampholders specially used for explosion-proof liminaires GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.5-2019 Environmental testing—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal) GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) 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”

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