This construction ventilation fan is published with the manufacturer’s full specification — 380 V, power source Electric. Made by Chongqing Eran Hvac Equipment Co., Ltd. (12 years on the platform, typical reply ≤6h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Construction Ventilation Fan
- Power Source: Electric
- Voltage: 380 V
- Material: galvanized Sheet
- Blade Material: galvanized Sheet
- Speed: 2900rpm
- Warranty: 1 Year
Technical Specifications
| Voltage | 380 V |
|---|---|
| Speed | 2900rpm |
| Type | Tunnel jet fan |
| Material | galvanized Sheet |
| Blade Material | galvanized Sheet |
| Mounting Type | Free Standing |
| Bearing Type | Ball Bearing |
| Power Source | Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Video Technical Support |
| Customized Support | OEM |
| Place Of Origin | Chongqing, China |
| Brand Name | eran |
| Selling Units | Single item |
| Single Package Size | 450X350X250 cm |
| Single Gross Weight | 200.0 kg |
Product Details
SDS-N Type tunnel jet fan


1.Tunnel jet fan
Tunnel jet fan,New products developed using advanced technology,The ooter shell is formed by spinning and flanging,The inner wall of the impeller section is machined Both ensure the coaxiality and strength of the chassis,Guaranteed blade radial clearance Surface Coating Treatment Beautiful
appearance and excellent corrosion resistance,Built-in squirrel cage fully enclosed longitudimal ventilation with jetblower install flange mounting plate
Motor insulation class H,Corrosion rating IP55.Its air volume size can be changed by changing the number of blades and blade angie to meet the
requirements.For high noise repuirements,Muffler can be added to reduce noise
2.Tunnel ventilation fan is divided into two ventilation situations: one-way jet fan SDS and two-way jet fan SDS (R)There are two kinds of switching modes, electronic and mechanical,Can be switched to the fan rated speed in 30 seconds.
3.The technical and economic requirements for quality and safety of the blower can be applied to dam works, roads, railways and subways.
4.Model Dxplaination: SDS (R) -6.3-8-2P: indicates a diameter of 630mm (two-way) jet fan, 8 blades, speed of 2900rpm.


SDS-N Performance Parameter Table of Type Fan
| Model | Matching Kw | Air volume m3/s | Air vent m/s | Thrust N | Thrust sound pressure dB(A) |
| SDS(R)-6.3-8-2P | 5.5 | 7.8 | 25 | 220 | 77 |
| SDS(R)-6.3-8-2P | 7.5 | 8.1 | 26 | 240 | 79 |
| SDS(R)-6.3-8-2P | 11 | 9.9 | 31.8 | 365 | 80 |
| SDS(R)-6.3-8-2P | 15 | 11.7 | 37.5 | 508 | 82 |
| SDS(R)-6.3-8-2P | 18.5 | 12.7 | 40.6 | 596 | 83 |
| SDS(R)-6.3-8-2P | 22 | 13 | 41 | 626 | 84 |
| SDS(R)-6.3D-8-2P | 18.5 | 12.8 | 40.7 | 603 | 83 |
| SDS(R)-6.3D-8-2P | 22 | 13.1 | 41.2 | 612 | 84 |
| SDS(R)-7.1-8-2P | 15 | 12.3 | 31 | 442 | 83 |
| SDS(R)-7.1-8-2P | 18.5 | 13.6 | 34.3 | 541 | 84 |
| SDS(R)-7.1-8-2P | 22 | 14.6 | 36.8 | 620 | 85 |
| SDS(R)-7.1D-8-2P | 18.5 | 13.8 | 34.5 | 560 | 84 |
| SDS(R)-7.1D-8-2P | 22 | 14.8 | 36.9 | 642 | 85 |
| SDS(R)-7.1D-8-2P | 30 | 16.5 | 41.6 | 794 | 86 |
| SDS(R)-7.1D-8-2P | 37 | 16.6 | 42.1 | 802 | 86 |
| SDS(R)-8-8-4P | 7.5 | 12.6 | 24.3 | 342 | 70 |
| SDS(R)-8-8-4P | 11 | 14.1 | 27.5 | 429 | 72 |
| SDS(R)-8-8-4P | 15 | 15.2 | 29.5 | 457 | 74 |
| SDS(R)-9-8-4P | 7.5 | 12.7 | 19.9 | 291 | 71 |
| SDS(R)-9-8-4P | 11 | 16.2 | 25.4 | 446 | 73 |
| SDS(R)-9-8-4P | 15 | 18.7 | 29.4 | 620 | 74 |
| SDS(R)-9-8-4P | 18.5 | 19.5 | 30.7 | 675 | 75 |
| SDS(R)-9-8-4P | 22 | 22.5 | 35.4 | 860 | 76 |
| SDS(R)-10-8-4P | 11 | 17.7 | 22.5 | 461 | 74 |
| SDS(R)-10-8-4P | 15 | 21.2 | 27 | 668 | 76 |
| SDS(R)-10-8-4P | 18.5 | 23.2 | 29.5 | 792 | 77 |
| SDS(R)-10-8-4P | 22 | 24.3 | 31 | 875 | 78 |
| SDS(R)-10-8-4P | 30 | 26.9 | 34.2 | 1065 | 79 |
| SDS(R)-11.2-8-4P | 18.5 | 24.1 | 24.4 | 692 | 78 |
| SDS(R)-11.2-8-4P | 22 | 26.5 | 26.9 | 838 | 79 |
| SDS(R)-11.2-8-4P | 30 | 29 | 29.4 | 988 | 80 |
| SDS(R)-11.2-8-4P | 37 | 31.3 | 31.8 | 1155 | 81 |
| SDS(R)-11.2-10-4P | 45 | 33.6 | 34.3 | 1362 | 82 |
| SDS(R)-11.2-10-4P | 55 | 36.3 | 36.9 | 1575 | 83 |
| SDS(R)-12.5-10-4P | 22 | 30.1 | 24.5 | 860 | 80 |
| SDS(R)-12.5-10-4P | 30 | 31.8 | 26 | 1026 | 81 |
| SDS(R)-12.5-10-4P | 37 | 37.1 | 30.3 | 1303 | 82 |
| SDS(R)-12.5-10-4P | 45 | 40.4 | 32.9 | 1537 | 83 |
| SDS(R)-12.5-10-4P | 55 | 43.8 | 35.7 | 1811 | 84 |
| SDS(R)-12.5-12-4P | 55 | 44 | 35.8 | 1823 | 84 |
| SDS(R)-12.5-12-4P | 75 | 47 | 38.3 | 2086 | 85 |
| SDS(R)-12.5-12-4P | 90 | 50 | 40.7 | 2359 | 86 |







Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1+ piece: US $920 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this construction ventilation fan?
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 construction ventilation fan be supplied for my local voltage?
The standard configuration is 380 V. 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 Chongqing Eran Hvac Equipment Co., Ltd., based in China. The company 12 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Chongqing Eran Hvac Equipment Co., Ltd. range on HVACR Nexus.
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