... fog and other corrupt air supply or extracition.Theses explosion-proof fan series are best suited to pumping out gas ... or vapour containing combustibles and explosives in oil cabins holds, pump-rooms, battery cabins, ammunition cabins, hangars, paint houses, etc . ... use may be mounted on these fans. 3.Features Explosion-proof,safe and reliable in operation.Well anticorrosive.Strongly capable of ...