The centrifugal fan listed here carries 110V/220V/380V, power source type Corded Electric, documented exactly as the manufacturer publishes it. Made by Taizhou Qiou Mechanical And Electrical Co., Ltd. (3 years on the platform, typical reply ≤2h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Centrifugal Fan
- Model Number: DF 550W
- Power Source Type: Corded Electric
- Voltage: 110V/220V/380V
- Material: Carbon Steel
- Blade Material: Steel
- Noise Level: 40 dB and above
Technical Specifications
| Mounting | Other |
|---|---|
| Voltage | 110V/220V/380V |
| Speed | 2800RPM |
| Material | Carbon Steel |
| Blade Material | Steel |
| Power Source Type | Corded Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM, OBM |
| Noise Level | 40 dB and above |
| Place Of Origin | Zhejiang, China |
| Brand Name | QIOU |
| Model Number | DF 550W |
| Product Name | DF Centrifugal Blower Fan |
| Feature | High Working Temperature Resistance |
| Color | Green/Black |
| Pressure | 1020Pa |
| Selling Units | Single item |
| Single Package Size | 34X33X35 cm |
| Single Gross Weight | 13.0 kg |
Product Details
High Heat Proof Low Noise Free Standing DF Series Air Circulation Centrifugal Fan With Forward Curved Impeller
DF series multi-wing low noise centrifugal fans are low-noise,high-efficiency,large-flow ,low-vibration ,long-life span ,removable foot ,flexible mounting fans,they are novally designed,small area occupy,easy to install and using,they can meet the requirements of modern environment protection.They are ideal equipments for air exhausting and dust-removal,air ocndition in high-grade buildings,hotels,factories and mines vessels,basement etc.
1.Low noise,high efficiency,large air volume,high pressure,low vibration,long life,removable foot,flexible installation.
2.Fan impeller automatic punch blanking,mechanical insertion,after dynamic balance strict correction,reduce vibration,stable operation,durable.
3.Y2 aluminum alloy die-casting materail is used in the motor,which greatly reduces weight,achieves lightweight,convenient installation and beautiful appearance.
4.Widely used in telecommunications,power,electricity,electronics,geology,coal mines,ships,papermaking and other related industries.
5.Particlarly suitable for printing,plastics,packaging,film blowing,drying,cooling and other machinery and general ventilation.
Main Parameter
| Model | Power (W) | Voltage | Frequency (Hz) | Speed (r/min) | Air Flow (m3/h) | Pressure (Pa) | Noise(dBA) |
| DF-1.3-I | 120W | 220/380 | 50 | 2800 | 305 | 412 | 72 |
| DF-1.3-II | 180W | 220/380 | 50 | 2800 | 405 | 450 | 75 |
| DF-1.6-I | 250W | 220/380 | 50 | 2800 | 504 | 860 | 75 |
| DF-1.6-II | 370W | 220/380 | 50 | 2800 | 660 | 850 | 76 |
| DF-2-I | 550W | 220/380 | 50 | 2800 | 860 | 1020 | 76 |
| DF-2-II | 750W | 220/380 | 50 | 2800 | 1200 | 1210 | 80 |
| DF-2-III | 1.1KW | 220/380 | 50 | 2800 | 1900-2700 | 1380-1240 | 82 |
| DF-2.5-I | 1.5KW | 220/380 | 50 | 2800 | 2600-3500 | 1360-1220 | 83 |
| DF-2.5-II | 2.2KW | 220/380 | 50 | 2800 | 3300-4000 | 1470-1300 | 84 |
| DF-2.5-III | 3KW | 220/380 | 50 | 2800 | 3900-4600 | 2050-1860 | 87 |
| DF-2.8-I | 4KW | 380 | 50 | 2800 | 4500-5400 | 2120-1830 | 90 |
| DF-2.8-II | 5.5KW | 380 | 50 | 2800 | 5000-6000 | 2360-2010 | 95 |
















Q: How about the quality guarantee period?
R: One year.
Q: What tests do your products need to go through?
A: Air pressure flow test – Flame retardant test of plastic shell – High temperature resistance test – Low temperature test -Noise test – Stacked – Water proof – Drop destructive test.
Q: Can you provide samples?
A: After price confirmed, you can require for samples to check quality.
If you need the samples, we will charge for the sample cost. But the sample cost can be refundable.
Q: Do you accept OEM or ODM orders?
A: Yes, we accept OEM and ODM from customers.
Q: How long is your delivery time?
A: Small quantity is around 5-7 working days after receiving the prepayment. Large quantity orders need to negotiate the delivery time.
Q: How are you going to ship my order?
A: Usually, for sample order we will ship by express like EMS, DHL, FedEx, UPS, special-line logistic. For bulk order, we will ship by sea or air to your destination sea port or airport.
If you have own freight forwarder, we can deliver the goods to them as well.
Q: When can I get the quotation?
R:We usually quote within 12 hours after we get your inquiry. If you are urgent to get the price, please send the message on other chat tools or call us directly.
Q : What are your terms of payment?
A : Generally, 30% T/T in advance, 70% balance before shipment.The common way is by T/T.
Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–99 piece: US $34 / piece
- 100–499 piece: US $32 / piece
- 500+ piece: US $29 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal fan?
The standard minimum order quantity is 1 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the centrifugal fan be supplied for my local voltage?
The standard configuration is 110V/220V/380V. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Taizhou Qiou Mechanical And Electrical Co., Ltd., based in China. The company 3 years as a verified Alibaba.com supplier, Trading Company. Browse the full Taizhou Qiou Mechanical And Electrical Co., Ltd. range on HVACR Nexus.
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