Key specification for this roof extractor: rated voltage customizable, power source Electric. 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). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Roof Extractor
- Model Number: 11 inch, 12.5 inch, 14 inch, 16 inch, 18 inch, 20 inch, 22 inch, 25 inch, 28 inch, 32 inch
- Power Source: Electric
- Power: 0.25 hp – 10 hp // 0.18 kw – 7.5 kw
- Voltage: 120 V, Other, 220v, 380v, 110v, 440v, 240v, custom
- Rated Voltage: customizable
- Air Flow: 2100 m³/h – 32300 m³/h 1240 cfm – 19000 cfm
Technical Specifications
| Voltage | 120 V, Other, 220v, 380v, 110v, 440v, 240v, custom |
|---|---|
| Speed | 1350RPM, 14000Rpm, 920rpm, 1450RPM |
| Type | roof fan / wall fan |
| Material | Aluminum Alloy |
| Blade Material | aluminum |
| Mounting Type | Roof Fan |
| Bearing Type | / |
| Power Source | Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | Shandong, China |
| Brand Name | Damuyuan |
| Model Number | 11 inch, 12.5 inch, 14 inch, 16 inch, 18 inch, 20 inch, 22 inch, 25 inch, 28 inch, 32 inch |
| MOQ | 1 set |
| Keyword | restaurant food truck kitchen wall exhaust fan |
| Product Name | upblast roof exhaust fan |
| Air Flow | 2100 m³/h – 32300 m³/h 1240 cfm – 19000 cfm |
| Rated Voltage | customizable |
| Application | exhaust ventilation |
| Motor | 100% Copper Motor |
| Power | 0.25 hp – 10 hp // 0.18 kw – 7.5 kw |
| Blade Dia | 11 inch – 32 inch |
| Selling Units | Single item |
| Single Package Size | 100X100X100 cm |
| Single Gross Weight | 200.0 kg |
Product Details
Exhaust Fan Roof Fan Wall Fan








Model | Power | Fan Speed | Air Flow | Drive | Impeller Dia | ||||
RCU05 | 0.25hp | 0.18kw | 1720RPM | 1240cfm | 2108m³/h | Direct Drive | 11inch | ||
RCU08 | 0.5hp | 0.37kw | 1720RPM | 2600cfm | 4420m³/h | Direct Drive | 12.5inch | ||
RCU10 | 0.75hp | 0.55kw | 1400RPM | 3100cfm | 5270m³/h | Belt Drive | 14inch | ||
1hp | 0.75kw | 1720RPM | 3800cfm | 6460m³/h | Direct Drive | ||||
RCU14 | 1hp | 0.75kw | 1400RPM | 4000cfm | 6800m³/h | Belt Drive | 16inch | ||
1.5hp | 1.1kw | 1720RPM | 4800cfm | 8160m³/h | Direct Drive | ||||
RCU16 | 1.5hp | 1.1kw | 1300RPM | 5200cfm | 8840m³/h | Belt Drive | 18inch | ||
2hp | 1.5kw | 1720RPM | 5800cfm | 9860m³/h | Direct Drive | ||||
RCU18 | 1.5hp | 1.1kw | 1000RPM | 6000cfm | 10200m³/h | Belt Drive | 20inch | ||
2hp | 1.5kw | 1130RPM | 6700cfm | 11390m³/h | Direct Drive | ||||
2hp | 1.5kw | 1300RPM | 7700cfm | 13090m³/h | Direct Drive | ||||
RCU20 | 2hp | 1.5kw | 1130RPM | 8700cfm | 14790m³/h | Direct Drive | 22inch | ||
3hp | 2.2kw | 1250RPM | 9600cfm | 16320m³/h | Belt Drive | ||||
RCU24 | 2hp | 1.5kw | 900RPM | 9600cfm | 16320m³/h | Belt Drive | 25inch | ||
4hp | 3kw | 1120RPM | 12000cfm | 20400m³/h | Direct Drive | ||||
RCU28 | 3hp | 2.2kw | 750RPM | 11000cfm | 18700m³/h | Belt Drive | 28inch | ||
5.5hp | 4kw | 1000RPM | 14000cfm | 23800m³/h | Belt Drive | ||||
7.5hp | 5.5kw | 1120RPM | 17000cfm | 28900m³/h | Direct Drive | ||||
RCU32 | 5.5hp | 4kw | 750RPM | 12500cfm | 21250m³/h | Belt Drive | 32inch | ||
7.5hp | 5.5kw | 1000RPM | 16500cfm | 28050m³/h | Belt Drive | ||||
10hp | 7.5kw | 1120RPM | 19000cfm | 32300m³/h | Direct Drive | ||||
























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:
- 1–9 piece: US $219 / piece
- 10–99 piece: US $199 / piece
- 100+ piece: US $129 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this roof 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.
Can the roof extractor be supplied for my local voltage?
The standard configuration is 120 V, Other, 220v, 380v, 110v, 440v, 240v, custom. 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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