Sell Double-door cone exhaust fan

DJF(e) series Double-door Cone Fan(Butterfly Cone Fan)

1)     Four sizes: **0(*5"), ***0(*3"), ***0(*8"), ***0mm(*4")
2) Big air flow, small wind resistance, good tightness.

1. Using advanced front double door opening device, small wind resistance, good sealing, high efficiency, lengthened cone design improve exhaust power.

2)     
2.Galvanized steel frame is made of **0g/㎡ galvanized layer, avoid rust.

3)     
3. Fan double doors closed with the rubber sealing which effectively avoid air backflow when start fans at different time. Greatly improve the operation efficiency by ****0% compared with the same power fan.

4. Sanhe fan blade is special designed for top grade efficiency which made of Krupp stainless steel by punch forming. Large air volume, no deformation, no broken, no dust, attractive and durable. Thickness 1.2mm, surface finish BA grade.

5. Fan blades are adjusted by intelligent dynamic-balance tester, ensure the fan smooth running, lower vibration, less noise, increase stability.

6. The first adopt Type B belt which 3 times longer service life instead of type A.

7. Hot-dip galvanized blade support and safe net ensure never rust.

8. Complete new CNC production line improved fan quality up to top grade, aesthetic appearance.

Model specifications

Diameter Blades

Air Flow

Total Pressure

Noise Decibels

Input Power

Rated Voltage

Motor Rotational Speed

Blades Rotational Speed

Height

Width

Thickness

cm

m³ /h

pa

db

w

v

rpm

rpm

mm

mm

mm

DJF(e)***0

**0

**0

***0

****0

*5

< = *5

**0

**0

**0

**0

**0

DJF(e)****0

***0

**0

***0

****0

*0

< = *5

**0

**0

***0

***0

***0

DJF(e)****0

***0

**0

***0

****0

*3

< = *5

**0

**0

***0

***0

***0

DJF(e)****0

***0

**9

***0

****0

*0

< = *5

***0

**0

***0

***0

***0