The industrial roof vent extractor listed here carries 110V / 230V / 380V /400V, air flow 710 ~15000 m3/h, documented exactly as the manufacturer publishes it. Made by Ningbo Longwell Electric Technology Co., Ltd. (9 years on the platform, factory-assessed). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Industrial Roof Vent Extractor
- Model Number: LW
- Power Source: Electric
- Voltage: 110V / 230V / 380V /400V
- Air Flow: 710 ~15000 m3/h
- Material: Stainless Steel
- Blade Material: Stainless Steel
Technical Specifications
| Voltage | 110V / 230V / 380V /400V |
|---|---|
| Speed | 2500 RPM, 3 000 RPM, 4500 RPM, 2700 RPM, 2100 RPM, 1350RPM, 14000Rpm |
| Type | Duct Axial Fan |
| Material | Stainless Steel |
| Blade Material | Stainless Steel |
| Mounting Type | Free Standing |
| Bearing Type | Ball Bearing |
| Power Source | Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | Zhejiang, China |
| Brand Name | LONGWELL |
| Model Number | LW |
| Product Name | Welling fan motor axial flow fan |
| Size | 200~800 mm |
| Usage | air cooling system |
| Color | Black or as require |
| Frequency | 50/60 Hz |
| Noise Level | 60 dBA |
| Product Type | Axial flow type |
| Motor | AC External rotor motor |
| Air Flow | 710 ~15000 m3/h |
| Selling Units | Single item |
| Single Package Size | XX cm |
Product Details
High speed industrial ventilation roof vent extractor custom size high quality roof mounted exhaust fan axial flow fan




| Model Number : | LWAA2E200mm Axial Flow Fans | ||
| Motor Type : | AC External rotor motor | Blade Material : | Steel |
| Operation Model : | S1 | Insulation Class : | IP 44 |
| Speed control: | / | Insulation Class: | F |
| Operation Temperature : | -30 ℃ ~ +60 ℃ | ||












- Casings :
Casing are made of high quality steel plate or galvanized steel sheet with high strength and good regidity ; the surface is treated by plastic spraying process
- Screening :
The safety screenings are made of steel wire ,the welding is firm ,the surface is treated by plastic spraying process .
there are different types of screenings ,or can be customized .
- Operating Environment :
Temperature : -20 ℃ ~ +55 ℃
Humidity : ≤ 96%
Evevation : ≤1000m
- Customized Part :
Voltage : 110V / 120V / 230V / 380V /400V;
Frequency : 50 / 60Hz ;
Terminal Box : Single phrase with ternimal box ,three phrase can be chosed with or without terminal box ;
Plug : As below picture shows :






























Ordering and Pricing
- Minimum order quantity: 100 piece
- Volume pricing:
- 100+ piece: US $10 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this industrial roof vent extractor?
The standard minimum order quantity is 100 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 industrial roof vent extractor be supplied for my local voltage?
The standard configuration is 110V / 230V / 380V /400V. 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 Ningbo Longwell Electric Technology Co., Ltd., based in China. The company 9 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Ningbo Longwell Electric Technology Co., Ltd. range on HVACR Nexus.
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