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1. direct drive, high effeciency, 2. 4 blades, low power consumption, 3. big air volume, no deformation, 4. no dust, light - details see: https://www.machineto.com/cow-fan-10175922

Product Feature:

1. Aonuodi cow house exhaust fan is designed using advanced CAD technique. It is aesthetically pleasing, durable, lightweight and easy to install. With thickened zinc coating, it is corrosion resistant.
2. Blades are tested by balance test machine, fan can work stable, low noise.
3. big air volume, no deformation, no break, no dust, light, and easy to install.
4. reasonable design and manufacturing, perfect shape, easy to use.
5. Motor is energy efficient, 3C approved, IP55, class F insulation; light, low current, large torque.
6. A series of tests, including noise test, vibration test, concentric performance test, fan blade speed test, air flow test and efficiency test, to ensure product quality and performance.

Application:

The fan is widely used in cow houses to reduce their temperature and keep them well ventilated.

Model	Blade dia mm	Voltage V	No. of Pole 8	Frequency HZ	Power W	Air volume m3/h	Speed r/min
JFD-1250NS	1250	380	8	50/60	750	30000650	650
JFD-1000NS	1000	380	8	50/60	530	19800	650