Various Type Axial Flow Exhaust Fan For Animal Husbandry

Negative pressure Louvered Green house Greenhouse Ventilation Poultry farm exhaust fan  

1)Special push-pull mechanism can open and  close the shutter automatically. 

2)The frame adopts 275g/㎡ galvanized layer, no rust. 

3) Stainless steel blade adopts one punch forming technology. Big air flow, no broken, no dust, attractive and durable. 

4) Wall-Mounting fan , easy installation and maintenance.

5) Complete CNC production line, the accuracy of assembling holes is 100%, easy to assemble, quality assured. 

6) Installed efficient and energy-saving motor with CCC certification. Protection level：IP55. Insulation F grade.

          1. Adjust the horizontal and vertical , keeping the fan blade running smoothly

          2. After fixing the fan, the remaining gap need to be sealed 

          3. The Expansion screws and Self tapping screw can be used to fix .

Frame

DUOHUI has advanced production technology with automatic equipment. profeeional production line, NC-based professional
equipment.Auto punching and bending. Highly-accurated. Materials is made by 275g coating weight galvanized sheet.

Motor

100% pure copper wire, high efficiency and energy saving .Motor Protection Grade: IP55 Insulation Class: F grade. Motor voltage and frequency can be customized.Both Chinese famous motor and Siemens motor are available.

Fan blade

The material of the blade is Krupp stainless steel, thickness 1.2mm. Large air flow, no deformation, no fracture, no dust, attractive and durable. Note: Blade material also have galvanized sheet, aluminum alloy for option.

Belt pulley

Material: High strength aluminum-magnesium alloy by die-casting. Blast-sanding treatment, eliminate internal stress to improve its own rigidity and stability

Advantage: Light weight, Low vibration ,attractive appearance

Belt

Belts are Japanese Mitsubishi brand and Sanlux brand for option. Belt type: A and B. wear-resistant and longe service life.

Centrifugal system

Material: High quality Nylon PA66 Guide Rod: 304 stainless steel with special material outside, high strength, no rust, reduce friction. Rivet: 304 stainless steel , wear-resisting, no rust.

Advantage:It can keep the shutters open at complete 90 degree to ensure the lowest air resistantce and biggest air volume.