Severe environment working bridge crane introduction:
This crane is mainly used in the explosive atmosphere of lifting, the basic structure is similar with ordinary bridge crane, but in the motor and electrical parts and metal connect surface and other mechanical parts adopt explosion-proof measures to ensure the safety of explosion-proof environment.

Explosion roof overhead traveling crane application:
The Explosion-proof bridge crane according to the explosion-proof condition can be divided into two types:
1. Coal mine Explosion-proof bridge crane:
It is mainly used in coal mine ground part and mine non-mining part, the crane should have mine safety certificate (MA certification);
2. Explosion-proof bridge crane for factory:
Mainly used in combustible gases or flammable mixtures and other dangerous and important places, the crane should be issued by the National Testing Center issued a certificate of explosion.
link:http://www.chinacranemanufacturer.com/overhead-crane/double-girder-overhead-crane/qb-explosion-proof-severe-environment-working.html