This standard specifies the types of protection for mining machinery industrial products (hereinafter referred to as products) and their environmental conditions, technical requirements, test methods, inspection rules, etc. This standard applies to general-purpose mechanical industrial products used under the environmental conditions specified in GB/T14092.6 "Mine Environmental Conditions for Mechanical Industrial Products Mine". Product categories include: mining machinery, hoisting machinery, mineral processing machinery, transportation machinery, rock drilling machinery, mining electrical equipment, etc.
GB/T 15621-1995 history
2009GB/T 14093.7-2009 Environmental technical requirements of machinery products for mine environments
1995GB/T 15621-1995 Environmental technical requirements of machinery products for mine environment
GB/T 15621-1995 Environmental technical requirements of machinery products for mine environment was changed to GB/T 14093.7-2009 Environmental technical requirements of machinery products for mine environments.