Air extractor — 110V/220V/380V/ETC., blade material Fiberglass/aluminum/stainless steel. The complete factory specification follows. Made by Jinan Tengyun Environment Engineering Co., Ltd. (9 years on the platform, typical reply ≤11h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Air Extractor
- Model Number: DWT-400/500/600/800/1000
- Voltage: 110V/220V/380V/ETC.
- Blade Material: Fiberglass/aluminum/stainless steel
- Material: Fiberglass/Stailnless steel
- Warranty: 2 Years
- Place Of Origin: Shandong, China
Technical Specifications
| Voltage | 110V/220V/380V/ETC. |
|---|---|
| Blade Material | Fiberglass/aluminum/stainless steel |
| Mounting Type | Roof Fan |
| Warranty | 2 Years |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM |
| Place Of Origin | Shandong, China |
| Brand Name | TENRUN |
| Model Number | DWT-400/500/600/800/1000 |
| Product Name | Roof exhaust fan |
| Usage | Warehouse,Workshop,Factory etc. |
| Size | It depends on the different model |
| Material | Fiberglass/Stailnless steel |
| Bearing Type | Ball Bearing |
| Type | Industrial roof Fan |
| Application | exhaust the air from the roof |
| Impeller Blade | Fiberglass/Stailnless steel/Aluminum |
| Selling Units | Single item |
Product Details
At a loss Roof Ventilator for Hotels, restaurants, schools, clinics, movie theaters, conference rooms
1.Introdution .
Roof fan’s main components take FRP materials, Impeller adopts a more advanced airfoil blades in some of the weight of the rotating parts, thus they can meet the requirements for aerodynamic performance . The outer surface of the membrane use gel coat resin, smooth surface, beautiful appearance, laight weight, low noise, corrosion resistance but also a good flow vibration performance, stable and reliable operation of energy efficient explosion-proof characteristics.
2.Structure
This ventilator have hair dryer, impellers, hood, motors, rectifier ring, protective nets, loose-leaf damper, safety nets and other components. the ring is a roof fan in the rectifier to improve efficiency and reduce the noise of a unique structural forms, loose-leaf damper with safety nets can be choosen according to customer requirements.












Drawing:


Advantage:
1. Fan Box be made by Strong Steel with anti-rust treatment, quality powder coating without flaking paint.
2. Fan Propeller: Aluminum Alloy Fan Blades/Fiberglass, Large air flow, Low noise.
3. Motor: 100% cooper motor, IP, Class. High efficiency & Energy saving.
4. Grill net be made by Strong steel wire with powder coating, dense design, safety for use.
5. Motor frame with adjustable height which could match for the size of fan blades.
6. Fan Legs be also made by Strong Steel which design to make it more stable.
7.Large airflow, low noise, high efficiency,good looking.






4. Widely used in these places
1). Ware house ventilation ;
2). Factories and workshops (such as paper mill, galvanized products producing factories,
painting factories);
3). Garage and other buildings which need air ventilate.


| Why choose TENGYUN? Jinan Tengyun Electric Fan Co., Ltd. is located in Jinan, the provincial capital of Shandong Province.The transportation is very convenient and fast.It's the biggest and the most professional manufacturer of Ventilation Fans, cooling and heating equipment in Asia.The whole group occupies 50,000 square meters, in which the workshop is 20,000 meters. |


Q:Is your company a manufacture or Trading company?A:We are a professional manufacture of Ventilation equipment,Cooling equipment and Heating equipment for poultry,workshop and greenhouse over 20 years in China.
Q:Can you open our own brand?
A:Yes,we can offer OEM/ODM service,put your logo for the produce.
Q:What is your minimum oreder quantity?
A:We accept small order quantity, but the freight cost will be very high
Q:Voltage your can offer?
A:Normal voltage will be 380V-50HZ-3Phase, And it can be customized based on your request.
Q:How about the quality of your product?
A:All the products are produced strictly according to the international standard,which has been passed CE certification,CCC
certificated and ISO9001:2008 international quality management system.
Q:Can you accept an inspection of a Third-party detection instituation?
A:Yes,sure. Our products have been inspected by some third-party detection institutions authorized by customs before.and have got
perfect inspection report.


Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1–99 set: US $145 / set
- 100+ set: US $99 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this air extractor?
The standard minimum order quantity is 1 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.
Can the air extractor be supplied for my local voltage?
The standard configuration is 110V/220V/380V/ETC.. 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 Jinan Tengyun Environment Engineering Co., Ltd., based in China. The company 9 years as a verified Alibaba.com supplier, Trading Company. Browse the full Jinan Tengyun Environment Engineering Co., Ltd. range on HVACR Nexus.
See more in Axial Flow Fans on HVACR Nexus.

























