... ~30KW, Weight:78~1068KG,380V/440V,50Hz/60Hz CBZ series marine explosion-proof axial fans 1. PrefaceMarine Axial fan:Volume:1200 ... ,50Hz/60Hz,CBZ series explosion-proof axial flow fans for marine use are designed and manufactured according to GB 11800-89 ... containing combustibles and explosives in oil cabins holds, pump-rooms, battery cabins, ammunition cabins, hangars, paint houses, etc . They can also ...