Axial flow fan — voltage 380V220V415V, 37200m3/h. The complete factory specification follows. Made by Weifang Sailair Ventilation Equipment Co., Ltd. (1 year on the platform, typical reply ≤1h). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This Axial Flow Fan
- Model Number: SFP8-4-4KW
- Power Source: Electric
- Power: 4KW
- Voltage: 380V220V415V
- Air Flow: 37200m3/h
- Material: Cast Iron
Technical Specifications
| Blade Diameter | 32 inch |
|---|---|
| Voltage | 380V220V415V |
| Speed | 1450RPM |
| Type | Axial Flow Fan |
| Material | Cast Iron |
| Blade Material | Aluminum Alloy |
| Mounting Type | Duct Fan, Free Standing |
| Bearing Type | Ball Bearing |
| Power Source | Electric |
| Warranty | 2 Years |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM |
| Place Of Origin | Shandong, China |
| Brand Name | Sailair |
| Model Number | SFP8-4-4KW |
| Product Name | Industrial axial flow fan |
| Blade | Aluminum alloy |
| Brand | Sailair |
| Color | Blue, black, red, yellow, customized |
| Certificate | CE ISO |
| Power | 4KW |
| Rotation | 1450RMP |
| Air Flow | 37200m3/h |
| Application | Factory, hotel, school, hospital, poultry farm |
| Selling Units | Single item |
Product Details








Model | Size(mm) | Power(KW) | Rotation(r/min) | Air flow(m³/h) | Pressure(Pa) | Noise(dBA) | Voltage |
SFP2.5-4-0.09KW | 310*260*230 | 0.09 | 1450 | 1000 | 35 | 60 | 220V |
SFP2.5-4-0.09KW | 310*260*230 | 0.09 | 1450 | 1000 | 35 | 60 | 380V |
SFP2.5-2-0.25KW | 310*260*230 | 0.25 | 2800 | 2100 | 215 | 72 | 220V |
SFP2.5-2-0.25KW | 310*260*230 | 0.25 | 2800 | 2100 | 215 | 72 | 380V |
SFP3-4-0.12KW | 360*310*230 | 0.12 | 1450 | 2000 | 59 | 62 | 220V |
SFP3-4-0.12KW | 360*310*230 | 0.12 | 1450 | 2000 | 59 | 62 | 380V |
SFP3-2-0.37KW | 360*310*230 | 0.37 | 2800 | 3000 | 230 | 74 | 220V |
SFP3-2-0.37KW | 360*310*230 | 0.37 | 2800 | 3000 | 230 | 74 | 380V |
SFP4-4-0.55KW | 460*410*330 | 0.55 | 1450 | 5900 | 167 | 74 | 220V |
SFP4-4-0.55KW | 460*410*330 | 0.55 | 1450 | 5900 | 167 | 74 | 380V |
SFP4-2-1.5KW | 460*410*330 | 1.5 | 2800 | 10000 | 320 | 83 | 220V |
SFP4-2-1.5KW | 460*410*330 | 1.5 | 2800 | 10000 | 320 | 83 | 380V |
SFP5-4-0.75KW | 560*510*330 | 0.75 | 1450 | 10000 | 200 | 78 | 220V |
SFP5-4-0.75KW | 560*510*330 | 0.75 | 1450 | 10000 | 200 | 78 | 380V |
SFP5-2-2.2KW | 560*510*330 | 2.2 | 2800 | 18700 | 300 | 80 | 220V |
SFP5-2-2.2KW | 560*510*330 | 2.2 | 2800 | 18700 | 300 | 80 | 380V |
SFP6-4-2.2KW | 660*610*450 | 2.2 | 1450 | 18700 | 300 | 86 | 380V |
SFP7-4-3KW | 760*710*550 | 3 | 1450 | 24500 | 350 | 86 | 380V |
SFP8-4-4KW | 860*810*550 | 4 | 1450 | 37200 | 435 | 88 | 380V |
SFP10-6-5.5KW | 1060*1010*600 | 5.5 | 960 | 50000 | 260 | 88 | 380V |






its robust construction.


















machinery to ensure efficient and stable production capacity. Quality is always our top priority, and we have successfully obtained ISO9001 International Quality Management System Certification, China Compulsory Certification (CCC), and EU CE Safety
Certification, ensuring our products meet stringent domestic and international standards.














A1: We are a ventilation equipment supplier integrating R&D, production, and sales. OEM and ODM cooperation are welcome.
Q2: What payment methods do you accept?
A2: We accept T/T, PayPal, L/C, and Western Union. If you have special requirements, we will do our best to accommodate your needs.
Q3: What is the delivery time?
A3: Usually, sample orders take 3-5 days, and bulk orders take 15-20 days. However, if you need them urgently, we can complete them within 15 days after receiving your payment.
Q4: Do you provide free samples?
A4: Yes, we can provide free samples. You only need to cover the express shipping cost. If you are satisfied with our samples and place a subsequent order, we will refund the previous sample shipping fee.
Q5: Can I visit your factory?
A5: Of course, you are welcome anytime. We can also pick you up from the airport or train station. We welcome both domestic and international partners to contact us and visit our factory.
Q6: Can you guarantee the quality?
A6: Absolutely. We have over 10 years of experience in this field. We have a strong team, professional designs, skilled production processes, meticulous material selection, exquisite craftsmanship, and strict quality control. We highly value our reputation.
Q7: How do you protect my rights if I place an order?
A7: Customers are advised to place orders through Alibaba to maximize the protection of your rights. Additionally, we offer a 12-month free warranty, so you never have to worry about after-sales service. We will always be here to support your business!
Ordering and Pricing
- Minimum order quantity: 5 set
- Volume pricing:
- 5–49 set: US $35 / set
- 50–99 set: US $30 / set
- 100+ set: US $25 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this axial flow fan?
The standard minimum order quantity is 5 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 2 Years warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this axial flow fan carry?
It is supplied with CE ISO documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the axial flow fan be supplied for my local voltage?
The standard configuration is 380V220V415V. 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 Weifang Sailair Ventilation Equipment Co., Ltd., based in China. The company 1 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Weifang Sailair Ventilation Equipment Co., Ltd. range on HVACR Nexus.
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