... ,380V/440V,50Hz/60Hz CBZ series marine explosion-proof axial fans 1. PrefaceMarine Axial fan:Volume:1200~138000m3/h,Pressure:230 ... according to GB 11800-89(Marine Explosion-proof Axial Flow Fans), and general description and explosion-proof electrical equipment d of ... oil cabins holds, pump-rooms, battery cabins, ammunition cabins, hangars, paint houses, etc . They can also be used for ventilation of ...