400mm 500mm 16inch 20inch greenhouse green house air circulation fan for ventilation

Motor is special made for circulation fan, which is with high efficient and energy saving. Motor is fully-enclosed, can work for long time in high temperature and high humidity circumstance.
Circulation fan is subject to 360-hour destructive test to ensure its performance.
Fan blades made of aluminum material features wide angle, light weight, low noise, and excellent corrosion resistance. Together with specific motor, they are low energy waste, strong wind, long air distance.
Fan shell is made using 304 stainless steel and formed by CNC punch press. It is aesthetically pleasing and rust resistant.
Front and rear safety mesh grills ensure operation safety.
Suspension fasteners are made of stainless steel. They are stable operation, low noise, easy to install, safe to use, and can easily adjust the angle.
Designed and made in accordance with ISO9001 standards, the circulation fan is reliable and high quality.
The utilization of internationally advanced energy-saving technology and thermal protection system results in our greenhouse circulation fan having the advantages of low energy consumption and long service life (over 12 years).

Advantages:

Corrosion resistant, large wind output, low noise,smooth operation, long service life.

Good cooling effect and low running cost.

International advanced power-saving technology and automatically heat protected system

Improve the uniformity of the temperature in the greenhouse;

Improve the uniformity of the humidity in the greenhouse;

Improve the uniformity of the CO2 concentration within the greenhouse.

Widely used in poultry, greenhouse and workshop.

Product Feature:

1. Pure copper line motor with long time using

2. Advanced whole air reducing device is equipped, with power-saving technology and heat protecting system.

3. Aluminium fan blade with high quality and large angle, the airflow then is very large and with 

low noise

4. The frame of the fan is with high quality steel or stainless steel,

5. They are especially for enclosed houses for making circle air flow with features like light weight,

high efficiency, power saving easy for fitting and using.

6.  Widely used in greenhouses, poultry houses especially for enclosed houses for relaying ventilating.

The cooling and ventilating efficiency is very good.