CBZ-V Series Marine Explosion-proof Axial Fan

Product Details

Product Description

Product Description
1. Preface
CBZ-V series explosion-proof axial flow fans for marine use are designed and manufactured according to GB11799-89《Marine explosionproof axial flow fans》,and general description and explosion-proof “d” of GB3836-2000《Electrical apparatus for explosive atmospheres》 and 《Rules and regulations for the construction and Classification of Seagoing Steel Ships》.
This series fans have been examined and proved up to standard by Explosion-proof Inspection Authority of the PRC and have got the certificate of inspection. They have also been examined by the Register of shipping of China and have got the certificate.
2. Application
The explosion-proof symbol of explosion-proof fans is EdⅡBT4 They can be delivered for gas mixtures or vapour containing combustibles and explosives, for ordinary air, for sea air containing salty fog, for air containing oil fog and other corrupt air supply or extracition.
These 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 Ⅱ B and group T4.
Ambient temperatures:-25℃~+50℃
Relative humidity of the air:≤95%
Cyclical vacillation:22.5°~45° (Vacillation cycle ５~１０Ｓ)
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.
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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