The centrifugal blower listed here carries 230V/380V, material Stainless Steel, Metal/Plastic, documented exactly as the manufacturer publishes it. Made by Ningbo Canlian Technology Company Limited (2 years on the platform, typical reply ≤3h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Centrifugal Blower
- Model Number: LWFE3G146-072DS-01
- Power Source Type: other
- Voltage: 230V/380V
- Material: Stainless Steel, Metal/Plastic
- Blade Material: Metal/Plastic
- Noise Level: 59-81dB(A)
Technical Specifications
| Duct Diameter | 4.72-13.98in |
|---|---|
| Mounting | other |
| Voltage | 230V/380V |
| Motor Type | EC motor |
| Speed | 760-3200RPM |
| Material | Stainless Steel, Metal/Plastic |
| Blade Material | Metal/Plastic |
| Power Source Type | other |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM, OBM |
| Noise Level | 59-81dB(A) |
| Place Of Origin | Zhejiang, China |
| Model Number | LWFE3G146-072DS-01 |
| Product Name | EC Dual Inlet Forward Centrifugal Blower |
| Application | HVACR ,Ventilation ,Cooling system |
| Proteection Class | IP44/54/55 |
| Motor | EC Motor |
| Bearing | Maintenance-free ball bearings |
| Specification | 70-2400W 50/60Hz |
| Operation Model | S1 |
| Operation Temperature | -20℃~+60℃ |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
Product Details


Model | LWFE-120 Serise | LWFE-133 Serise | LWFE-146 Serise | ||
Voltage(V) | 230V | ||||
Frequency(Hz) | 50/60Hz | ||||
Power(W) | 70w | 80-120w | 80-120w | ||
Current(A) | 0.55A | 0.6-0.95A | 0.6-0.95A | ||
Speed(RPM) | 1900RPM | 1450-1750RPM | 1300-1450RPM | ||
Air Flow(m³/h) | 433m³/h | 690-979m³/h | 855-1009m³/h | ||
Air Pressure(Pa) | 263Pa | 288-484Pa | 474-670Pa | ||
Noise[dB(A)] | 59dB(A) | 69-70dB(A) | 59-72dB(A) | ||
LWFE-146 Serise(Plastic) | LWFE-180 Serise | LWFE-200 Serise | |||
Voltage(V) | 230V | ||||
Frequency(Hz) | 50/60Hz | ||||
Power(W) | 115-220w | 165-400w | 300-390w | ||
Current(A) | 0.85-1.6A | 1.22-1.9A | 1.36-1.55A | ||
Speed(RPM) | 2400-3200RPM | 1090-1550RPM | 1150-1300RPM | ||
Air Flow(m³/h) | 752-1133m³/h | 1730-2060m³/h | 2060-2575m³/h | ||
Air Pressure(Pa) | 567-876Pa | 247-742Pa | 464-1030Pa | ||
Noise[dB(A)] | 66-74dB(A) | 63-74dB(A) | 64-66dB(A) | ||
LWFE-225 Serise | LWFE-250 Serise | LWFE-280 Serise | |||
Voltage(V) | 230/380V | ||||
Frequency(Hz) | 50/60Hz | ||||
Power(W) | 450-1050w | 655-750w | 600-750w | ||
Current(A) | 1.75-3.5A | 1.2-3.5A | 1.1-3.5A | ||
Speed(RPM) | 1250-1450RPM | 920-960RPM | 800-820RPM | ||
Air Flow(m³/h) | 3039-3605m³/h | 3811-4058m³/h | 4223-4422m³/h | ||
Air Pressure(Pa) | 371-577Pa | 479-742Pa | 592-917Pa | ||
Noise[dB(A)] | 68-78dB(A) | 74-75dB(A) | 72-74dB(A) | ||












About this item – EC Dual Inlet Forward
Centrifugal Blower:
Centrifugal Blower:
forward-curved impeller driven by an advanced Electronically Commutated (EC) motor, this blower delivers a balanced, high-volume airflow solution that outperforms single inlet models, making it ideal for larger-scale commercial and industrial systems.


What drives us?






Why choose us ?
* High Performance,High-Efficiency Motor
* High Cost-Performance Ratio
* Global Leader in Fan & Motor Manufacturing
* OEM/ODM Global Fan Supplier
* Manufacturer and Provider of High-quality Ventilation Fans and HVACR Complete Machine Technology Solutions
FAQ
1,high efficiency
Q2: Are you a manufacturer or trading company?
Yes, we are manufacturers
Q3: whats your production capacity?
We are capable to produce over millions pcs fans and motors annually.
Q4: whats your main machines and capacity?
For the motors: We have owned CNC machines 18 units &4 auto-robots.
mill: 2 units high temp failure detection :3 chambers500k pcs annually
Q5: what your advantages of technologies in fans and motors?
we makes very quiet noise , and good air performances of fans . We are capable to do fans and motors matching and make them optimized to achieve best air performances and lowest noise with CFD simulation.
Q6: whats your quality and certificates?
For us, quality issues are more important than ever before we always focus on quality thing. 100% inspection before delivery makes almost zero complains. MTTF is less 500/million. LONGWELL products can pass CE,ETL UL certificates.
Ordering and Pricing
- Minimum order quantity: 100 piece
- Volume pricing:
- 100+ piece: US $56.61 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal blower?
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 centrifugal blower be supplied for my local voltage?
The standard configuration is 230V/380V. 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 Canlian Technology Company Limited, based in China. The company 2 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Ningbo Canlian Technology Company Limited range on HVACR Nexus.
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