Key specification for this centrifugal blower: voltage AC 220V~240V, blade material Stainless Steel. Everything below is reproduced from the factory data sheet. Made by Ningbo Haoyue Fan Manufacturing Co., Ltd. (4 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 Blower
- Model Number: SYZ 7-7-250W
- Voltage: AC 220V~240V
- Blade Material: Stainless Steel
- Material: Galvanized Sheet
- Warranty: 3 Years
- Place Of Origin: Zhejiang, China
Technical Specifications
| Mounting | Free Standing |
|---|---|
| Voltage | AC 220V~240V |
| Blade Material | Stainless Steel |
| Warranty | 3 Years |
| After-Sales Service Provided | Video Technical Support |
| Customized Support | OEM, ODM |
| Place Of Origin | Zhejiang, China |
| Brand Name | HOYOFAN |
| Model Number | SYZ 7-7-250W |
| Product Name | EC Centrifugal Fan |
| Application | AHU |
| Usage | Fresh Air Ventilation |
| Size | 7/7 |
| Material | Galvanized Sheet |
| Motor | DC Motor |
| Keyword | Centrifugal Ventilation Fan |
| Bearing Type | Dual Ball Bearing |
| Feature | High Efficiency |
| Type | Centrifugal Fan |
| Selling Units | Single item |
| Single Package Size | 36X34X34 cm |
| Single Gross Weight | 10.0 kg |
Product Details
Item No.: SYZ 7-7-250W
Housing: Galvanized steel sheet
Impeller: Forward curved galvanized sheet
Motor: High efficiency EC motor
Voltage: 230V 50Hz
Rated Power: 250W
Rated Current: 2.0A
Rated Speed: 1600RPM
Bearings: Industrial grade high strength ball bearings
Shaft: Carbon steel bars
| Item No. | Max Static Pressure | Max Air Flow | Rated Power | Rated Current | Speed | Frequency |
| SYZ 7-7-250W | 420Pa | 1700 m3/h | 250W | 2.0A | 1600 RPM | 50 Hz |














Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–99 piece: US $92.1 / piece
- 100–499 piece: US $87.7 / piece
- 500+ piece: US $83.4 / 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 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.
Can the centrifugal blower be supplied for my local voltage?
The standard configuration is AC 220V~240V. 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 Haoyue Fan Manufacturing Co., Ltd., based in China. The company 4 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Ningbo Haoyue Fan Manufacturing Co., Ltd. range on HVACR Nexus.
See more in EC Motors on HVACR Nexus.
























