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DWT-II/III Series Centrifugal Roof Fans


Structural characteristics: The impeller uses a centrifugal impeller, suitable for places with small air volume but higher pressure. The II series adopts a double-layer air cap, while the III series has no air cap. The impeller material is made of steel or fiberglass, with a balance accuracy not exceeding G5.6 level. The steel casing is welded, while the fiberglass casing is formed in one piece.
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DWT-II/III Series Centrifugal Roof Fans
Structural characteristics: The impeller adopts a centrifugal impeller, suitable for places with small air volume and higher pressure. The II series uses a double-layer air cap, while the III series has no air cap. The impeller material is made of steel or fiberglass, with a balance accuracy not exceeding G5.6 level. The steel casing is welded, while the fiberglass casing is formed in one piece.
II series:
Model range: NO.3 – 10, a total of 9 models
Air volume range: 800– 30000 m3/h
Total pressure range: 100 – 1000 Pa
III series:
Model range: NO.2.8– 8, a total of 10 models
Air volume range: 1000– 40000 m3/h
Total pressure range: 100 – 500 Pa
Customizable: Explosion-proof fans; Corrosion-resistant fans…
Suitable applications: Widely used in factories, hotels, residences, tunnels, hospitals, shopping malls, office buildings, laboratories, etc.
Details
Fire certification [for fire smoke exhaust only]
As a fire fan, the fan meets the requirements of CCF -CPRZ- 19:2019.








Explosion proof certification [for explosion proof type only]
In order to meet the needs of explosion-proof environment, Zhejiang Ke fan can be customized explosion-proof fan with explosion-proof grade of EXdⅡ CT4, which is suitable for places with flammable and explosive gases. The whole machine has passed the national explosion-proof certification.








China energy efficiency certification [for energy saving and high efficiency]
In order to meet the needs of explosion-proof environment, Zhejiang Ke fan can be customized explosion-proof fan with explosion-proof grade of EXdⅡ CT4, which is suitable for places with flammable and explosive gases. The whole machine has passed the national explosion-proof certification.




Test Report
The products of Zheke fan have obtained perfect general inspection report, and the product quality has won the trust of customers.








Fire Detection Report
The products of Zheke fan have obtained perfect fire inspection report, and the product quality has won the trust of customers.








Manufacturing








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