The 4-09 series large-flow centrifugal fan is the earliest used fan in China, and it is also the most commonly used fan.
Suitable for conveying clean air or light materials at normal temperature, most commonly used in industrial furnaces for air supply, light particle/powder/crush/fiber transportation, air drying/cooling of materials, ventilation and smoke exhaust, and other areas.
No viscous substances are allowed inside the gas, and the dust and hard particles contained in the gas are larger than 150 mg/m3, and the gas temperature does not exceed 80°C.
4-09 series large flow centrifugal ventilation fan Structure
4-09 series large flow centrifugal ventilation fan Application
Centrifugal fan is widely used in the cement industry, building materials industry, environmental protection industry, metallurgical industry, power industry projects such as large-scale dust collector, industrial boilers, ventilation systems, cooling.
4-09 series large flow centrifugal ventilation fan Features
When the pressure requirement is met, a large gas flow can be output, and the noise is very low.
The motor selects the high-efficiency energy-saving motor of China's leading motor manufacturing enterprise (can also install the brand motor required by users), the quality is reliable, and the energy consumption is lower.
The V-belt drive makes your fan to operate at the optimum speed. Installation is simple and does not require the support of professional technicians.
The airflow channel and the impeller are optimized several times, which is more efficient and energy-saving than ordinary large-flow fans.
Made of high quality carbon steel, Stainless steel or other metal materials can also be used according to user requirements.
The impeller is annealed to completely eliminate structural stresses generated during welding, ensuring that the impeller does not undergo creep and cracking.
After the production is completed, all products are tested for running and vibration values for reliable operation.
Installation is simple and does not require the support of professional technicians.
4-09 series large flow centrifugal ventilation fan Specification
| Series no. | 4-09 series | Feature selection | |||||
| Normal | anti-corrosion | wear-resisting | High temperature | anti-explosion | Remarks | ||
| Performance | Impeller diameter | 250-2000mm | |||||
| Rotation speed | ≤4000rpm | ||||||
| Pressure range | 778-6761Pa | ||||||
| Flow range | 1199-435813㎥/h | ||||||
| Structure | Blade type | Backward, Straight, Aerofoil type | |||||
| Impeller support | SWSI(Single Width, Single Inlet), DWDI(Double Width, Double Inlet), Overhung type | ||||||
| Lubrication method | Oil bath lubrication, grease lubrication, lubrication oil station | Can be specified | |||||
| Cooling method | Air cooling, Water cooling, Oil cooling | Can be specified | |||||
| Driven mode | Direct driven, Coupling driven, Belt driven | Can be specified | |||||
| Gas composition | Gas temperature | Normal | Customer request | Customer request | ≥250℃ | Customer request | |
| gas characteristic | Clean gas | Corrosive gas | Particulate dust | High temperature gas | Flammable gas, explosive gas | ||
| System configuration | Motor brand | Chinese famous brand, ABB, Siemens, WEG etc | Can be specified | ||||
| Impeller | High quality carbon steel | FRP, Stainless steel, Rubber Lining | Wear-resistant layer or wear-resistant liner, ceramic patch | High temperature high quality alloy steel | FRP, Aluminum alloy | Can be specified | |
| Air inlet cone | High quality carbon steel | FRP, Stainless steel, Rubber Lining | High quality carbon steel | High quality carbon steel | High quality carbon steel | Can be specified | |
| Casing | High quality carbon steel | FRP, Stainless steel, Rubber Lining | High quality carbon steel | High quality carbon steel | High quality carbon steel | Can be specified | |
| Air damper | High quality carbon steel | FRP, Stainless steel, Rubber Lining | High quality carbon steel | High quality carbon steel | High quality carbon steel | Can be specified | |
| Main shaft | High strength carbon steel, Alloy structural steel | Can be specified | |||||
| Bearing | ZWZ, SKF, FAG, NSK | Can be specified | |||||
| Bearing housing | Cast iron | ||||||
| Foundation bolts | GB799-1988 | ||||||
| Option parts | System base frame, Protective screening, Silencer, Inlet & Outlet flexible connections, Inlet & Outlet counter flange, Air damper, Electric actuator, Shock absorber, Diaphragm coupling, Fluid coupling, Motor rain cover, Temperature sensor, Vibration sensor, Soft starter, Inverter, Special Electrical Motor, System monitoring Instrument. | ||||||