Farm building fan EF series

for livestock buildingsfor aviariesfor air circulation

1. Patented cast aluminum airfoil propeller, streamlined design, large air flow, high strength, and stable operation. 2. Electric control aluminum alloy shutter, which can be fully opened in all speed range to ensure large air volume and high efficiency. 3. Direct drive, simple structure, easy to install and maintain. 4. Fans-tech exclusive intelligent variable speed control of EC motor, has comprehensive protection, such as phase failure, over-voltage, under-voltage, locked-rotor, over current and temperature protection. 5. The connection part of the shell and the bracket is processed by the metal embedded process, with high firmness and reliability. 6. The shell and cone are made of high strength fiberglass, marine resin, and anti-aging gel coat, solid structure, no deformation nor fading. 7. NSK ball bearing, made in Japan, high quality, with long service life. 8. Stainless steel hardware and fasteners, high strength, anti-corrosion. 9. Variable speed can be achieved via 0 ~ 10V / PWM control signal, wide high-efficiency interval to ensure low power consumption. 10. Support centralized operation control of multiple fans (Optional). 11. Working environment temperature: -25 ℃ -50 ℃. 12. Application: ventilation, cooling and air circulation for swine house, piglet house, poultry house, or any other needed environment. 13. Size: 36 inch and 50 inch 14. Warranty： full 3 years, motor 5 years