Centrifugal fan — 115v /220v/24V/48V, 24V/48V. The complete factory specification follows. Made by Ningbo Longwell Electric Technology Co., Ltd. (9 years on the platform, factory-assessed). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This Centrifugal Fan
- Model Number: LW-175mm
- Power Input: 24V/48V
- Voltage: 115v /220v/24V/48V
- Blade Material: Plastic
- Impeller Material: Propylene with glass fiber reinforced
- Warranty: 1 Year
Technical Specifications
| Mounting | Free Standing |
|---|---|
| Voltage | 115v /220v/24V/48V |
| Blade Material | Plastic |
| Electric Current Type | AC |
| Warranty | 1 Year |
| After-Sales Service Provided | Video Technical Support |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | Zhejiang, China |
| Brand Name | LONGWELL |
| Model Number | LW-175mm |
| Type | backward curved centrifugal fan |
| Power Input | 24V/48V |
| Impeller Material | Propylene with glass fiber reinforced |
| Direction | Clockwise |
| Bearing | Ball Bearing |
| Approvals | CE,CCC |
| Motor Type | external rotor motor |
| Amb,Temp | -25 to +60℃ |
| Insulation | B/F |
| Selling Units | Single item |
| Single Package Size | 35X35X20 cm |
| Single Gross Weight | 5.0 kg |
Product Details
AC / EC / DC backward curved centrifugal fan



















LONGWELL is a professional manufacturer of AC DC EC Backward centrifugal fans, blowers , motors and components for heating ,venlation air conditioner and refrigeration applications ,specialist in EC centrifugal fans,Blower fans, centrifugal blowers,AC /BLDC cross flow fans, single double forward curved Blower fans ,AC/BLDC/ECM motors as well as industrial fan blowers .
Established :1990 . Mfg experiences : over 20 years +
Labs : B&K noise lab, CFD simulation lab,air dynamics test chamber,automatic welding machines , CNC machining centers ,auto robot injection machines
Production capacity : over millions pcs .
Exporting countries : 30+
Customers : Top10 in HVACr
LONGWELL ECM fan Advantages :


LONGWELL will make the perfectly motor and fans matching ,and offering good quality and very competitive prices by large scale productions .




| Q1. Delivery time | Q2 . Payment Terms | Q3 .Payment Way |
| 7~10 days for sample ; 23~25 days for bulk orders . | 1.Sample Order : 100 % paid in advance for sample order ( refund in bulk orders ) ; | T/T ,L/C, Paypal, West Union , Visa ,MasterCard,Alibaba Pay ,etc |
| Q4.Package Details | Q5. Stocks | |
|
100 % checking before delivery; Standard exporting cartons packages with pallets | Please contact us for more details | |



Ordering and Pricing
- Minimum order quantity: 200 piece
- Volume pricing:
- 200–499 piece: US $23.5 / piece
- 500–2999 piece: US $22.6 / piece
- 3000–4999 piece: US $21 / piece
- 5000+ piece: US $19.5 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal fan?
The standard minimum order quantity is 200 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.
Which certifications does this centrifugal fan carry?
It is supplied with CE,CCC documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the centrifugal fan be supplied for my local voltage?
The standard configuration is 115v /220v/24V/48V. 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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