Key specification for this centrifugal blower: 220 V, 380 V, power source type Corded Electric. Everything below is reproduced from the factory data sheet. Made by Shandong Keyan International Trade Co., Ltd. (1 year on the platform, typical reply ≤2h). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This Centrifugal Blower
- Power Source Type: Corded Electric
- Voltage: 220 V, 380 V
- Material: Stainless Steel
- Blade Material: Stainless Steel
- Noise Level: 40 dB and above
- Speed: 4000 RPM
Technical Specifications
| Duct Diameter | 20 in |
|---|---|
| Mounting | Wall Fan |
| Voltage | 220 V, 380 V |
| Motor Type | AC Motor |
| Speed | 4000 RPM |
| Material | Stainless Steel |
| Blade Material | Stainless Steel |
| Power Source Type | Corded Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Video Technical Support |
| Customized Support | OEM |
| Noise Level | 40 dB and above |
| Place Of Origin | Shandong, China |
| Brand Name | Keyan |
| Applicable Industries | Farms |
| Size | 50Inch |
| Keyword | Centrifugal Blower Ventilation Fan Industrial Exhaust Fan |
| Function | Cooling Air |
| Bearing Type | Sleeve |
| Fan Type | AC Centrifugan Fan |
| Certification | CE/ISO9001 |
| Feature | Low Noise Power Saving |
| Selling Units | Single item |
| Single Package Size | 138X138X45 cm |
| Single Gross Weight | 70.0 kg |
Product Details


Model | Diameter blade(mm) | Blade rotational speed(rpm) | Air flow (m3/h) | Input Power(w) | Rated Voltage(v) | Height(mm) | Width (mm) | Thickness(mm) |
DY-800 | 710 | 612 | 18000 | 370 | 380 | 800 | 800 | 400 |
DY-900 | 750 | 616 | 22000 | 550 | 380 | 900 | 900 | 400 |
DY-1000 | 900 | 513 | 23000 | 550 | 380 | 1000 | 1000 | 400 |
DY-1100 | 1000 | 513 | 32500 | 750 | 380 | 1100 | 1100 | 400 |
DY-1220 | 1100 | 427 | 38000 | 1100 | 380 | 1220 | 1220 | 400 |
DY-1380 | 1250 | 427 | 44000 | 1100 | 380 | 1380 | 1380 | 400 |
DY-1530 | 1400 | 427 | 55800 | 1500 | 380 | 1530 | 1530 | 400 |




















A:We are a factory with many years of experience.
2)Q:Can I get a sample?
A: Of course but you may need to pay sample charge which will be returned after any order signed.
3)Q:What certificates your products have?
A:Most of our products have CCC,CE,ISO certificates.
4)Q:What's your delivery time?
A:Usually it can be within 30 days!
5)Q:What is your accept payment method?
A:We can accept TT ,L/C at sight. 30% deposit before production and 70%before loading!
Ordering and Pricing
- Minimum order quantity: 10 set
- Volume pricing:
- 10+ set: US $120 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal blower?
The standard minimum order quantity is 10 set. 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.
Which certifications does this centrifugal blower carry?
It is supplied with CE/ISO9001 documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the centrifugal blower be supplied for my local voltage?
The standard configuration is 220 V, 380 V. 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 Shandong Keyan International Trade Co., Ltd., based in China. The company 1 years as a verified Alibaba.com supplier, Trading Company. Browse the full Shandong Keyan International Trade Co., Ltd. range on HVACR Nexus.
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