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Help CenterCBZ Series Marine Explosion-proof Axial Flow Fan
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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
4. Structural Types
There are three structural types: type I (deck type), type II (piping type) and type III (separate cabins type).The construction is spark free.
Type I explosion-proof fan has a hood and an explosion-proof motor installed in the top of the machine frame and a wire mesh guard with 2 openings per square cm. Made of stainless steel, surrounding the frame, The fan is vertically fixed on the deck . It may be used for pumping or sending air.
Type II explosion-proof fan has no hood, built-in type explosion-proof motor is mounted on the housing by the down stream guide vane, It can be installed vertically of horizontally, and can also be installed on the deck. It may be used for pumping or sending air.
According to the customer’s special requirement, the fan can be made into type III, type IV and type V, the fan and the motor are put in different cabins, with a driving device, a sealed box and two airs of flexible couplings. It is used primarily for exhaust of dangerous compartment.
Type III can be installed horizontally; type IV and type V can be vertically fixed on the deck, and delivered for air supply or air extraction.
5.Features
Explosion-proof，safe and reliable in operation.
Well anticorrosive.
Strongly capable of resisting vacillation、vibration and shocking.
5.Models explanation
6.Outline dimensions:
Please contact us and get detailed Technical parameters and Drawings.
We could Design and Produce the Marine fan,Industrial Fan,and Other Ventilation Equipment according to your detailed requirement !
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