Guangdong Provincial Standard of the People's Republic of China
Latest
DB44/T 880-2011
Scope
This standard specifies methods for testing the explosion-proof performance of explosion-proof lifting machinery used in explosive environments. This standard applies to explosion-proof lifting machinery including explosion-proof bridge cranes, explosion-proof beam cranes and explosion-proof wire rope electric hoists. This standard does not apply to coal mines and explosives manufacturing and processing sites.
DB44/T 880-2011 history
2011DB44/T 880-2011 Inspection regulations for explosion-proof safety performance of explosion-proof lifting machinery