一、Fan model description
二、 Product structure and description
1. The motor fan is driven by three-phase asynchronous motor with insulation grade of F and protection grade of IP55.
2. The impeller is made of cold-rolled steel plate, and the blade is designed according to the aerodynamic principle. It has the advantages of large air volume, high pressure and low noise. The balance accuracy grade of impeller is G2 5。
3. The deflector is one of the important components of the fan. It is processed by advanced spinning technology and has the characteristics of high strength, beautiful appearance and convenient installation.
4. The surfaces of all parts are sprayed with plastic or paint to improve the anti-corrosion ability.
三、 Product installation instructions
The performance of the fan depends on the strictly controlled standard conditions and the optimized suction and exhaust conditions. When installing the fan, ensure good ventilation regardless of the size of the fan. (refer to figure 2 and 3 of DWZ external rotor axial flow fan product installation instructions for the diagram)
四、 Description of technical parameters
1. The data listed in the sample are measured under standard conditions, i.e. atmospheric pressure = 101.325kpa, gas density = 1.2kg/m3, gas temperature = 20 ℃.
2. The noise of the fan shall be measured on the axis of the air inlet and one meter away from the air inlet according to the national standard.
3. The power and current of the motor are rated.
4. The working ambient temperature of this series of fans is - 30 ℃ ~ + 55 ℃.
五、 Ordering instructions
When ordering, please indicate the complete fan model, air inlet direction, ambient temperature and what stimulating chemicals exist in the air.
Note: the company reserves the right to modify the performance parameters and structural dimensions of the fan without notice at that time.