The downblast electric roof ventilator listed here carries 220V/380V/415V/440V/660V, power source Electric, documented exactly as the manufacturer publishes it. Made by Shandong Handun Environmental Technology Co., Ltd. (9 years 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 Downblast Electric Roof Ventilator
- Model Number: DWT
- Power Source: Electric
- Voltage: 220V/380V/415V/440V/660V
- Material: Fiber Glass
- Blade Material: FRP/Fiberglass
- Speed: 1450RPM, 2900rpm, 920rpm
Technical Specifications
| Blade Diameter | 32in |
|---|---|
| Voltage | 220V/380V/415V/440V/660V |
| Speed | 1450RPM, 2900rpm, 920rpm |
| Type | Roof Axial Fan |
| Material | Fiber Glass |
| Blade Material | FRP/Fiberglass |
| Mounting Type | Roof Fan |
| Bearing Type | Ball Bearing |
| Power Source | Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Video Technical Support |
| Customized Support | OEM |
| Place Of Origin | Shandong, China |
| Brand Name | HANDUN |
| Model Number | DWT |
| Color | Blue, White |
| Application | Warehouse Roof Air Ventialtion |
| Motor | Copper Coiled |
| Installation | Easy and Convenient |
| Impeller Size | 800mm |
| Advantage | Anti-corrosion |
| Name | Exhaust Fan Ventilation |
| Selling Units | Single item |
Product Details
Exhaust Fan Ventilation
Roof Ventilation Fan with motor and without motor
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, light 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.
3.Technical Parameters
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.
Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1+ set: US $789 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this downblast electric roof ventilator?
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 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the downblast electric roof ventilator be supplied for my local voltage?
The standard configuration is 220V/380V/415V/440V/660V. 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 Shandong Handun Environmental Technology Co., Ltd., based in China. The company 9 years as a verified Alibaba.com supplier, Trading Company. Browse the full Shandong Handun Environmental Technology Co., Ltd. range on HVACR Nexus.
See more in Axial Flow Fans on HVACR Nexus.
