Unpowered Roof Fan Exhaust Ventilation Axial Flow Fan Wind Ball Workshop Cooling Hood Rotation Roof Stainless Steel

• Customization: Available
• Material: Stainless Steel
• Usage: for Experiment, for Air Conditioner, for Manufacture, for Refrigerate
• Model NO.: UF
• Flow Direction: Axial Flow
• Pressure: Low Pressure
• Certification: ISO, CE, CCC, ISO, CE, CCC
• Material Quality: 201 / 304
• Installation Adaptability: Variable Pitch Base / Multi-Angle Neck
• Function: Indoor Ventilation
• Features: Wind Rotation, No Need for Electricity
• Bearings: High Quality Bearings with Long Service
• Applicable Scenarios: Industrial Factories, Breeding Farms, Residential
• Installation Location: Roof
• Shipping Form: Assembly / Bulk Parts
• Warranty: 3 Year
• Starting Wind Speed: Ultra-Low Start-up Threshold (≤ 0.2 M/S)
• Bearing Type: Permanently Lubricated Enclosed Bearings
• Noise Level: Silent Operation (< 30db)
• Service Life: Long Lifecycle (15-20+ Years)
• Eco-Friendly Certification: Zero Carbon Emission
• Ventilation Capacity: High Airflow Displacement
• Transport Package: Wooden Box
• Specification: 110~800mm
• Trademark: JIANBENFAN
• Origin: Zhejiang
• HS Code: 8414519900
• Production Capacity: 50000 Pieces/Year
• Package Size: 100.00cm * 100.00cm * 100.00cm
• Package Gross Weight: 100.000kg

Product Description

Product Description

Eco-Friendly & Energy-Saving Choice: Wind-Driven Turbine Ventilator

    The Wind-Driven Turbine Ventilator (also known as a non-electric roof fan or turbine vent) is a natural ventilation device specifically designed for building rooftops. By cleverly utilizing aerodynamic principles, it operates entirely without electricity, providing 24-hour continuous air exchange. It is an ideal choice for modern factories, warehouses, and various buildings to achieve energy savings, emission reductions, and improved indoor environments.

Working Principle
    The operation of the turbine ventilator is based on two natural phenomena:

    Natural Wind: Outdoor breezes strike the curved vanes, driving the entire sphere to rotate.
    Thermal Buoyancy (Stack Effect): Indoor hot air and pollutants naturally rise and gather at the roof, pushing the vanes as they escape. As the turbine rotates, it creates centrifugal force and negative pressure, rapidly extracting heat, stale air, and dust from the building, while fresh air flows in through doors and windows to create a healthy circulation.
Key Product Features
    Zero Energy Consumption & Zero Electricity Bills: Operates 100% on natural wind and temperature differences. Once installed, it has "zero" operating costs, perfectly aligning with low-carbon environmental concepts.
    All-Weather Protection: The precision-engineered curved blades overlap to throw rainwater outward via centrifugal force. It effectively prevents rain, snow, and wind backflow even in harsh storm conditions.
    Ultra-Quiet & Maintenance-Free: Equipped with high-grade permanently lubricated enclosed bearings. It starts with a light breeze (as low as 0.2m/s) and operates smoothly without motor noise. The dust-proof and corrosion-resistant design ensures a long lifespan with almost no manual upkeep.
    Durable Materials: Usually manufactured from thickened 304 stainless steel or high-quality aluminum alloy. It offers excellent resistance to oxidation, acids, alkalis, and harsh outdoor climates.
    Efficient Air Purification: Quickly exhausts heat, moisture, odors, smoke, and harmful dust. This prevents condensation and rust on indoor metal structures and significantly improves occupant comfort.
    Easy Installation: Lightweight and requires no wiring or control boxes. It is compatible with various roof types, including corrugated steel and concrete.

Product Parameters

Company Profile

Zhejiang Jianben Fan Technology Co., Ltd

    Zhejiang Jianben Fan Technology Co., Ltd. is an enterprise specialized in research, development and manufacturing of various fans, with more than 20 years of industry experience.
 
    Our company's main products include centrifugal fan, axial flow fan, boiler fan, material conveying fan, painting fan, etc.
 
    Our company has established a fan R and D center and a testing laboratory, and passed the ISO9001 quality management system certification. 
 
    With our extensive industry experience and outstanding technical team, we are able to provide customized solutions to your needs.

Certifications

OEM&ODM

ELITE TEAM

    Our R&D team enables us to frequently provide new designs, and we are always able to meet our customers' OEM and ODM requirements.

    We have an experienced management team and well-trained production workers to provide us with better customer service.

Packaging & Shipping

Our Advantages

Professional software and customization

    Our engineers ensure accurate selection through professional selection software, provide you with the most appropriate fan solutions, and avoid waste of resources caused by wrong selection. In addition, we can also customize designs and drawings based on actual working conditions.

FAQ

Q: Are you a manufacturer or a trader?
A: We are a manufacturer specializing in the production of fan for 20 years.
 
Q: Do you have machines in stock to sell?
A: Standard products will have sufficient inventory, non-standard customized products we will try to meet your delivery date.
 
Q: How about the quality of your products?
A: We dare not say the lowest price in the fan industry, nor the best quality in the industry, but we must have quality beyond the commodity price. Our products are solid in materials and exquisite in design, and will not fail every penny you spend on them.
 
Q: If I want to get a product, what information should I tell you?
A: First of all, you need to tell me the type of product you want to order or the performance and size parameters you need to meet. We can help you select the right product. Secondly, tell us the quantity of products you need, packing requirements and transportation requirements. Then we can give you an accurate quotation.
 
Q: Where is your factory?
Our factory is located in Linhai City, Zhejiang Province, China. If you have any questions about our products or our company. You can contact us via WhatsApp or email or WeChat, and we will reply you as soon as possible.