... to GB 11800-89(Marine Explosion-proof Axial Flow Fans), and general description and explosion-proof electrical equipment d of GB3836- ... or vapour containing combustibles and explosives in oil cabins holds, pump-rooms, battery cabins, ammunition cabins, hangars, paint houses, ... may be mounted on these fans. 3.Features Explosion-proof,safe and reliable in operation.Well anticorrosive.Strongly capable ...