CF Series Forward Curved Impellers Centrifugal Fan Blower
CF Series centrifugal fan is often used in kitchen exhaust and fume extraction, suitable for ventilation and fume extraction in public places such as canteen, hotel, restaurant , and so on.
 
            CF Series centrifugal fan is often used in kitchen exhaust and fume extraction, suitable for ventilation and fume extraction in public places such as canteen, hotel, restaurant , and so on.
 
            The FC series industrial window exhaust fan is compact in design, small in size and light in weight, and is especially suitable for arrangement in limited space.
 
            The SF Series tube axial fan is an efficient, low noise ventilation equipment, widely used in a variety of ventilation, heat dissipation and noise control scenarios.
Guangdong Gaoze Ventilation Equipment Co.,Ltd.
4-72-A Series Industrial Centrifugal Fan

1.Typical Feature and Application
4-72 series industrial centrifugal blower fan shell, impeller are made of high quality steel plate, surface spray plastic, strong oxidation resistance, not easy to rust.
4-72 series industrial centrifugal blower fan impeller by static and dynamic balance correction, smooth operation, small vibration, equipped with high quality bearings, to ensure long-term stability.
4-72 series industrial centrifugal blower fan impeller adopts backward tilt type, which is not easy to attach dust and other media, and the motor adopts imported bearings.
4-72 series industrial blower fan support type A (direct connection) and type C (belt) transmission, flexible to adapt to different speeds and working conditions.
4-72 series industrial blower fan is suitable for non-corrosive, non-flammable and explosive gas places, widely used in industrial and mining enterprises, large buildings, hotels, restaurants and other indoor ventilation.
2. Performance Range
| Fan Type | 4-72-A Series Industrial Centrifugal Fan | 
| Certificate | CE,CCC | 
| Electricity Current Type | AC(Alternating Current) | 
| Voltage | 380V | 
| Frequency | 50HZ | 
| Power | 0.55KW-11KW | 
| Speed | 960-2900RPM | 
| Air Volume | 878m³/h up to 25736 m³/h | 
| Motor | Standard Motor | 
3.Product Description
       4-72 Series industrial centrifugal blower fan is a common exhaust fan products, because of its high efficiency, widely used in industrial and mining plants and civil buildings, large public buildings, power plants and other places, can also be used as air treatment facilities, hot air circulation facilities supporting equipment. 
 4-72 Series large industrial fans, the conveying medium should be air or gas, non-corrosive, non-flammable and explosive, non-viscous gas, the content of dust and hard particles contained in the gas is not more than 150mg/m.
4.Fan Operation
Check whether the model and specifications of the 4-72 Series smoke exhaust fan are consistent with the design requirements, check whether the shell and impeller are deformed or damaged, check the motor power and steering sign.
According to the model and size of the 4-72 Series smoke exhaust fan, select the appropriate support for installation. When installing a support, keep it horizontal and vertical to avoid tilting and shaking.
According to the actual requirements of the 4-72 Series smoke exhaust fan, select a proper pipeline to connect the 4-72 exhaust fan. The connection of the pipeline should be tight and reliable to prevent air leakage and pressure loss.
The last step is to connect the power supply of the 4-72 Series smoke exhaust fan, which is connected by a professional electrician to ensure that the motor steering is consistent with the identification of the impeller.
5.Fan Maintain
Regularly clean the inside and outside of the 4-72 Series smoke exhaust fan to prevent ash accumulation.
Regularly check whether the motor and transmission parts of 4-72 Series smoke exhaust fan are working properly, and replace the worn parts in time.
Regularly add lubricating oil to the lubricating transmission parts of the 4-72 Series smoke exhaust fan to reduce friction and wear.
6.Technical Specification
| Model (No.) | Voltage | Frequency | Power | Revolution | Air Flow | Wind pressure | 
| (V) | (HZ) | (KW) | (rpm) | (m3/h) | (Pa) | |
| 2A | 380 | 50 | 0.55 | 2800 | 878-1600 | 235-363 | 
| 2.5A | 380 | 50 | 1.1 | 2800 | 1020-1911 | 850-450 | 
| 2.8A | 380 | 50 | 0.75 | 1450 | 565-1178 | 294-152 | 
| 380 | 50 | 1.5 | 2900 | 1131-2356 | 994-606 | |
| 3.2A | 380 | 50 | 2.2 | 2900 | 1688-3517 | 1300-792 | 
| 380 | 50 | 1.1 | 1450 | 844-1758 | 324-198 | |
| 3.6A | 380 | 50 | 3 | 2900 | 2664-5268 | 1578-989 | 
| 380 | 50 | 1.1 | 1450 | 1332-2634 | 393-247 | |
| 4A | 380 | 50 | 5.5 | 2900 | 4012-7419 | 3014-1320 | 
| 380 | 50 | 1.1 | 1450 | 2856-5281 | 634-416 | |
| 4.5A | 380 | 50 | 7.5 | 2900 | 5712-10562 | 2554-1673 | 
| 380 | 50 | 1.1 | 1450 | 2856-5281 | 634-416 | |
| 5A | 380 | 50 | 15 | 2900 | 7728-15455 | 3187-2019 | 
| 380 | 50 | 2.2 | 1450 | 3864-7728 | 790-502 | |
| 5.6A | 380 | 50 | 22 | 2900 | 10122-25736 | 4150-2330 | 
| 380 | 50 | 3 | 1450 | 4565-8533 | 810-615 | |
| 6A | 380 | 50 | 4 | 1450 | 6677-13353 | 1139-724 | 
| 380 | 50 | 1.5 | 960 | 4420-8841 | 498-317 | |
| 6.5A | 380 | 50 | 7.5 | 1450 | 8760-17620 | 1330-886 | 
| 7A | 380 | 50 | 11 | 1450 | 10602-21204 | 1550-984 | 
7.Packing Detail
Film Packing: a cost-effective packing method, it is suggested when order is one full container.
Plywood Box Packing: more safe packing, it is suggested when order is not enough one full container.