Key specification for this centrifugal blower: 220v/380V, 220V/380V. Everything below is reproduced from the factory data sheet. Made by Ningbo Longwell Electric Technology Co., Ltd. (9 years on the platform, factory-assessed). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This Centrifugal Blower
- Model Number: LWDF-2.5A
- Power Input: 220V/380V
- Power:: 2200W – 7500W
- Voltage: 220v/380V
- Material: Stainless Steel, Plastic, Aluminum Alloy, Steel
- Blade Material: Plastic
Technical Specifications
| Mounting | Other |
|---|---|
| Voltage | 220v/380V |
| Speed | 4000 RPM, 500 RPM, 800 RPM, 1500 RPM, 600 RPM, 900rpm, 2000 RPM |
| Material | Stainless Steel, Plastic, Aluminum Alloy, Steel |
| Blade Material | Plastic |
| Warranty | 1 Year |
| After-Sales Service Provided | Video Technical Support |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | Zhejiang, China |
| Brand Name | LONGWELL |
| Model Number | LWDF-2.5A |
| Product Name | High Efficiency Low Noise Multi-Wing Fan |
| Power Input | 220V/380V |
| Impeller Material | Cast Iron |
| Power: | 2200W – 7500W |
| Bearing | Ball Bearing |
| Motor Type | AC/DC Motor |
| Amb,Temp | -25 to +60℃ |
| Application | HVACR , AIR PURIFIER ,VENTILATION SYSTEM |
| Protection | Tech out put /Over voltage protection /Over loading protection |
| Selling Units | Single item |
| Single Package Size | 50X50X50 cm |
| Single Gross Weight | 20.0 kg |
Product Details


Product Series: | High Effificiency Low Noise Multi-Wing Fan | ||||||
Nominal Voltage : | 220V/380V ( AC DC) | ||||||
Frequency : | 50/60Hz | ||||||
IP Level : | IP 55 ,IP 54 | ||||||
Speed Control : | Control Input 0-10VDC / PWM | ||||||
Life Expectance | 50,000Hours(L10),At 40℃ room, humidity 15%~65%RH. | ||||||
Product Brief: | High efficiency,low speed,low noise,high air volume,long service life;advanced aerodynamic impeller structure and logarithmic spiral shell;Gas temperature is less than 80 C,dust and solid impurities are less than 150mg/m³ | ||||||
Ambient Temp Rangs | -25 ℃ – +60 ℃ | ||||||
























Ordering and Pricing
- Minimum order quantity: 100 piece
- Volume pricing:
- 100–299 piece: US $114 / piece
- 300–499 piece: US $105 / piece
- 500+ piece: US $99 / piece
- 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 100 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 blower be supplied for my local voltage?
The standard configuration is 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 Ningbo Longwell Electric Technology Co., Ltd., based in China. The company 9 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Ningbo Longwell Electric Technology Co., Ltd. range on HVACR Nexus.
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