This LONGWELL EC backward centrifugal fan pairs a non-overloading blade profile with electronic commutation, giving both a motor that cannot be overdriven when system resistance falls and efficient speed control across the range. The 175mm aluminium alloy impeller runs 2450-2800RPM on either 110V or 220V. Field maintenance and repair service is offered, which is uncommon at this size, alongside OEM, ODM and OBM production.
Key Features of This Backward Centrifugal Fan
- Model Number: LWBE3G175-72PS-01
- Voltage: 220 V
- Blade Material: aluminum alloy
- Speed: 2800 RPM, 2600RPM, 2450RPM
- Warranty: 1 Year
- Place Of Origin: Zhejiang, China
Technical Specifications
| Voltage | 220 V |
|---|---|
| Blade Material | aluminum alloy |
| Speed | 2800 RPM, 2600RPM, 2450RPM |
| Mounting | Ceiling Fan |
| Type | Forward Curved Blade Radial Fan, Backward Curved Blade Radial Fan, Radial Blade Radial Fan, Multi-Vane Radial Fan, High-Pressure Radial Fan |
| Customized Support | OEM, ODM, OBM |
| After-Sales Service Provided | Field Maintenance and Repair Service |
| Warranty | 1 Year |
| Place Of Origin | Zhejiang, China |
| Brand Name | Longwell |
| Model Number | LWBE3G175-72PS-01 |
| Centrifugal Fan | high pressure backward centrifugal fan |
| Selling Units | Single item |
| Single Package Size | 25X25X20 cm |
| Single Gross Weight | 6.000 kg |
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Types :
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LWBE3G 175mm EC high pressure backward centrifugal fan 110V 220V industrial ventilation radial fan centrifugal blower
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Voltage Ranges :
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230V
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Frequency :
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50/60 Hz
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Diamter :
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175mm ( impeller diameters )
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Motor Types :
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BLEC External Rotor Motor ( EC )
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Speed Control :
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0-10V Signal / PWM / RS485(Optional)
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Max.ambient Temp:
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-25℃～ +60℃
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Certificating :
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All necessary certifications suitable for USA & Europe , ETL,UL ,CE ,RoHS, ISO19001,ISO 14001,BSCI
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Protection Level:
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IP44 ,IP54,IP55
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Electronic Protection:
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Current limiting protection ,Over-temperature protection,Over-current protection,Locked-rotor protection,Soft start
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Working & Storage
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Operating temperature：-25~60℃；Operating humidity：0 ~ 85 % RH
Storing temperature：-25 ~ 70℃；Storing humidity：0 ~ 95 % RH Applicable altitude range：＜1000m |
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Balancing
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According to JB/T 9101-1999 requirements G6.3
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Product Standards :
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LVD EN60950-1 EMC EN61000-6-3,EN61000-4-2, EN61000-4-3
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Mainly Applications
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AUH/ AIR PURIFIER / Server Cooling & Ventilation / Grow Tent /Ventilation SYSTEM/ Equipments Cooling /Refrigerator ,etc;ventilation fan cooling;ventilation exhaust fans
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Frequently Asked Questions
What is the minimum order quantity for this backward centrifugal fan?
Minimum order quantity is set per configuration and trial quantities can usually be arranged. Send your target volume with an enquiry and a quotation will follow with current lead times.
What warranty covers this backward centrifugal fan?
A 1 Year warranty is supplied as standard. Spare parts and technical support remain available beyond the warranty period.
Can it be built for my local voltage?
The standard specification is 220 V. Alternative voltage and frequency builds are available when confirmed at order stage.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying volumes. Supply your artwork and technical requirements with the enquiry.
How long is production and delivery?
Stocked configurations normally ship in 7-15 days. Customised or high-volume orders are typically produced in 25-35 days, confirmed at order.
About the Manufacturer
This backward centrifugal fan is produced by Ningbo Longwell Electric Technology Co., Ltd.. Browse the full Ningbo Longwell Electric Technology Co., Ltd. range on HVACR Nexus.
See more in Blowers on HVACR Nexus.
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