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ventilating fan for poultry, 1. automatic environment control system, 2. High quality, 3. ISO 9001 2008 - details see: https://www.machineto.com/industrial-box-type-exhausting-heavy-hammer-fan-for-poultry-10175589

good quality shutter ventilating fan for poultry

Material:hot dipped galvanized steel panel

type	36’’	50’’
Size	1000x1000x450mm	1380x1380x450mm
Blade rotational speed	438r/m	437r/m
Motor rotational speed	1400r/m	1400r/m
Airflow	21000m/h	44000m/h
Total pressure	57Pa	57Pa
Noise decibels	≤65	≤65
Input powe	0.55kw	1.1kw
Rated voltage	380V	380V

Advantages of Ventilation and cooling system

1. The ventilation system consists of the tunnel fans and cooling pad, make the temperature about 20-27°C all the year round.

2. Fully automatic electric control, the running of the fans is according to the temperature in the chicken house. When the temperature is higher than about 30°C in summer, all the fans will run by themselves. And when the temperature is lower than about 20°C, most of fans will stop, only two fans are left for ventilation. Along with the temperature raising, the quantity of running fans will change automatically, and the limited temperature can be set by yourself.

3. The air holes help to ventilate in winter, and all the cooling pad and fans can be shut off.

4. The cooling pad is made of high quality paper, it's very durable and Corrosion resistance.

5. Stainless steel fans with high quality.