Key specification for this air extractor: rated voltage natural power, no electric power, power source wind power. Everything below is reproduced from the factory data sheet. Made by Qingdao Damuyuan Machinery Manufacturing Co., Ltd. (4 years on the platform, typical reply ≤2h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Air Extractor
- Model Number: 100-1000mm
- Power Source: wind power
- Power: wind
- Voltage: Other
- Rated Voltage: natural power, no electric power
- Blade Material: Stainless Steel
Technical Specifications
| Voltage | Other |
|---|---|
| Type | roof fan |
| Blade Material | Stainless Steel |
| Mounting Type | roof top mounted Fan |
| Bearing Type | / |
| Power Source | wind power |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | Shandong, China |
| Brand Name | Damuyuan |
| Model Number | 100-1000mm |
| Product Name | roof fan |
| MOQ | 1 set |
| Application | Exhaust Ventilation |
| Size | 110 mm – 1000 mm |
| Certification | CE |
| Power | wind |
| Rated Voltage | natural power, no electric power |
| Installation | Roof-top |
| Material | Stainlesss Steel 201/ 304 |
| Motor | natural wind power fan |
| Selling Units | Single item |
| Single Package Size | 100X100X100 cm |
| Single Gross Weight | 150.0 kg |
Product Details
NO POWER ROOF FAN
Machine Number | Exhaust Outlet Diameter (mm) | Height (mm) | Number Of Leaves | Turbine Outside Diameter (mm) | Ventilation Average Annual Wind Speed (m/s) | Exhaust Volume (m3/min) |
12" | 300 | 350 | 20 | 340 | 3.4 (Level 3 Wind Speed) | 23 |
14" | 360 | 580 | 20 | 460 | 3.4 (Level 3 Wind Speed) | 33 |
20" | 500 | 500 | 25 | 620 | 3.4 (Level 3 Wind Speed) | 42 |
20" | 500 | 720 | 25 | 610 | 3.4 (Level 3 Wind Speed) | 42 |
24" | 600 | 630 | 29 | 720 | 3.4 (Level 3 Wind Speed) | 65 |
27" | 680 | 950 | 36 | 880 | 3.4 (Level 3 Wind Speed) | 75 |
1. Good quality, Competitive price, Fast delivery.
2. We have a R&D team who have average 10 years experience in designing and producing fans, we can OEM different kinds of products according to your requirement, in order to produce the products more suitable to your market !
3. We have a lot of customers from overseas. A lot of our customers has established long term business relationship with us.
4. All the products have 1 year warranty. All products are conducted strict QC and inspection before shipping.
5. If you have any problems or suggestions about our products or service, you can contact me or our sales manager whenever you want. We will give you a satisfying reply.
Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–99 piece: US $19 / piece
- 100–999 piece: US $9.9 / piece
- 1000+ piece: US $6.9 / piece
- 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 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 air extractor 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 air extractor be supplied for my local voltage?
The standard configuration is Other. 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 Qingdao Damuyuan Machinery Manufacturing Co., Ltd., based in China. The company 4 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Qingdao Damuyuan Machinery Manufacturing Co., Ltd. range on HVACR Nexus.
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