The centrifugal fan listed here carries material Stainless Steel, Iron, type Centrifugal Impeller Blower, documented exactly as the manufacturer publishes it. Made by Foshan Chosen Vent Tech Ltd. (16 years on the platform, factory-assessed). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Centrifugal Fan
- Material: Stainless Steel, Iron
- Warranty: 3 Years
- Place Of Origin: Guangdong, China
- Application: Blower
- Product Type: Centrifugal Impeller
- Type: Centrifugal Impeller Blower
Technical Specifications
| Material | Stainless Steel, Iron |
|---|---|
| Warranty | 3 Years |
| Customized Support | OEM, ODM |
| Place Of Origin | Guangdong, China |
| Brand Name | CHOSEN |
| Diameter Of Impeller | 511 mm |
| Height | 474 mm |
| Product Type | Centrifugal Impeller |
| Product Name | Blower Impeller |
| Application | Blower |
| Size | Customized Size |
| Type | Centrifugal Impeller Blower |
| Keywords | Fan Blades Fan Impellers |
| Usage | Industrial Exhaust System |
| Selling Units | Single item |
| Single Package Size | 35X35X31 cm |
| Single Gross Weight | 17.0 kg |
Product Details


Advantages
· Various material for option : Mile steel with powder coating or Stainless Steel #304/#316/#316L
· Each impeller will do by dynamic balancing test. It greatly improves the stability of the impeller operation and reduces the vibration & noise.
· Each impeller also so Radial Running, Axial Viberation.
· The impeller be test by completed build-up centrifugal fan, the air Performance Parameter is truth and reliable.
· High-performance.
| BACKWARD IMPELLER(DWDI) – BDWA | ||||
| Model | Impeller Dia | Height | Shaft | Meterial |
| mm | mm | φ | ||
| BDWA-280 | 287 | 265 | 25/30 | Mild steel with powder coating/ Stainless steel |
| BDWA-315 | 325 | 298 | 25/30 | |
| BDWA-355 | 365 | 334 | 30/35 | |
| BDWA-400 | 411 | 374 | 30/35 | |
| BDWA-450 | 462 | 416 | 35/40 | |
| BDWA-500 | 511 | 474 | 40/45 | |
| BDWA-560 | 576 | 510 | 45/55 | |
| BDWA-630 | 646 | 576 | 50/55 | |
| BDWA-710 | 721 | 641 | 55/65 | |
| BDWA-800 | 822 | 738 | 65 | |
| BDWA-900 | 912 | 827 | 70 | |
| BDWA-1000 | 1004 | 895 | 70 | |
| Click here for more product parameters. | ||||












Applications
· Integrated fans, roof ventilators, ventilation and air-conditioning systems (HVAC/AHU), industrial applications.




CHOSEN VENT TECH LTD. is a manufacturer of ventilation and cooling equipment with more than 10 years experience.
Professional Products:
1. Centrifugal Fan, Axial Fan, HVLS Fan, Fan Impeller, Mist Fan.
2. Non-standard units & small order.
3. Accessories: Forward Impeller, Backward Impeller, Axial Impeller, Atomizer.
4. Meanwhile we specialized in ventilation & cooling solution of industrial building.
Professional Manufacturing:
1. Experienced engineers and R&D team to support the product technology & development.
2. Advanced manufacturing & inspection equipment, we have Laser cutting equipment, CNC equipment, Dynamic balance equipment, Air-flow/pressure/speed testing equipment.
3. Inspection. All products with serious inspection in hundred percent before delivery.
Professional Service:
1. Our products be export to more than 30 countries.
2. On time delivery.
3. The experienced customers service team provides excellent communication for all customers to answer questions and solve problem.
Our Aim:
1.Company's Aim: Honesty, Gratitude.
2.Service's Aim: Professionalism, Scrupulous, Responsibility.
3.Product's Aim: High quality, Reasonable price, for customers' requirements.
Our mission:
1. Provide quality products all over the world.
2. Set up fine managing and brand credit for "MADE IN CHINA"








Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1+ piece: US $225 / 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 3 Years warranty. Spare parts and technical support remain available after the warranty period.
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 Foshan Chosen Vent Tech Ltd., based in China. The company 16 years as a verified Alibaba.com supplier, Trading Company, passed third-party supplier assessment. Browse the full Foshan Chosen Vent Tech Ltd. range on HVACR Nexus.
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