The roof ventilating exhaust fan listed here carries voltage No, air flow 6500cbm/h, documented exactly as the manufacturer publishes it. Made by Qingzhou Yongsheng Machinery Co., Ltd. (9 years on the platform, typical reply ≤5h). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This Roof Ventilating Exhaust Fan
- Model Number: 300/400/500/600/800
- Power Source: No
- Voltage: No
- Air Flow: 6500cbm/h
- Blade Material: Color Plater
- Material: Stainless Steel
Technical Specifications
| Fan Type | Axial Fan |
|---|---|
| Type | Roof Axial Fan |
| Voltage | No |
| Blade Material | Color Plater |
| Material | Stainless Steel |
| Bearing Type | DUAL BALL BEARING |
| Power Source | No |
| Control Methods | Wind control |
| Customized Support | OEM |
| Mounting Type | Roof Fan |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Place Of Origin | Shandong, China |
| Brand Name | Yongsheng |
| Model Number | 300/400/500/600/800 |
| Fan Blade | Stainless Steel/Color Plate |
| Fan Bldae Quantity | 42pcs |
| Air Flow | 6500cbm/h |
| Application | Industry |
| Certification | ce |
| Product Name | Roof Ventilation fan |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
Product Details
Roof Ventilation Fan:
Working theory: convection between natural wind and air to accelerate and transform any parallel airflow into vertical so as to improve the indoor ventilation. The hot air rises and Cold Air falls, which makes the fan rotate. So the indoor heat, stink and dust are exhausted effectively. It also can effectively remove indoor soot, smoke, odor, moisture, heat, decorative harmful gas, dust, human metabolism and other dirty volatile mixed-doped odor as well as viruses and bacteria invasion.
Working Result: it improves the working environment, protects workers' health and enhances the working efficiency.
Application Areas: warehouse, toilet, factory, workshop, stadium, tennis hall, assembly hall, garage, Paper Mill, galvanization factory and coating factory.
Need no energy: Nature wind drives,operating in 24hs the whole day
High efficient air & moisture removal capacity, better than that of similar products over 25%
Unique blade design with smart operation and wind-proof & rain-proof
Imported bearing, free lubrication,no noise and free maintenance
Unique variable angle tube help to realize easy installation
High-quality stainless steel body. Supporting brackets are all made of stainless steel, which has very good corrosion-resistant ability.
Environmental protection, energy saving and no electricity cost.
| Model | Fan Blade Quantity | Sphere diameter | Air Flow (m³/h) |
| 300 | 24pcs | 430mm | 1000 |
| 500 | 28pcs | 630mm | 1800 |
| 600 | 32pcs | 730mm | 3000 |
| 800 | 42pcs | 900mm | 6500 |
Package:
Assemble fan can be carton package.
Disassembled fan can be carton and plywood package.
Usage:Industry Workshop.
Ordering and Pricing
- Minimum order quantity: 10 piece
- Volume pricing:
- 10–79 piece: US $20 / piece
- 80+ piece: US $17 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this roof ventilating exhaust fan?
The standard minimum order quantity is 10 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.
Which certifications does this roof ventilating exhaust fan carry?
It is supplied with ce documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the roof ventilating exhaust fan be supplied for my local voltage?
The standard configuration is No. 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 Qingzhou Yongsheng Machinery Co., Ltd., based in China. The company 9 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Qingzhou Yongsheng Machinery Co., Ltd. range on HVACR Nexus.
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