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1. Preface

CBZ series explosion-proof axial flow fans for marine use are designed and manufactured according to GB 11800-89(Marine Explosion-proof Axial Flow Fans), and general description and explosion-proof electrical equipment “d” of GB3836-83 《Electrical apparatus for explosive atom-spheres》  and 《Regulations for the Construction and classification of Sea-going steel ships》.

2. Application

They can be delivered for gas mixtures or vapour containing combustibles and explosives, for ordinary air, for sea air containing salt fog, for air containing oil fog and other corrupt air supply or  extracition.

Theses explosion-proof fan series are best suited to pumping out gas mixtures or vapour containing combustibles and explosives in oil cabins holds, pump-rooms, battery cabins, ammunition cabins, hangars, paint houses, etc . They can also be used for ventilation of other compartments of shipping and corresponding place of land's.

AC 50HZ,380V or 60HZ,440V type YB-H (explosion-insular)  for marine use may be mounted on these fans.

3. Operation Conditions

For places where there are explosive gas

mixtures of grade.

 Ambient temperatures: -25℃ ~ +50℃

 Relative humidity of the air: ≤95%

     Cyclical vacillation: 22.5°~ 45°

     Sustained horizontal tilting: ±15°

     Sustained vertical tilting: ±10°

     Vibration: existent

     Shock: existent