Rotorcentrifugal Backward Curved Blower, 355mm, 230V, IP55

Rotorcentrifugal backward curved blower — 230 V, blade material Plastic. The complete factory specification follows. Made by Ningbo Canlian Technology Company Limited (2 years on the platform, typical reply ≤3h). For a binding price and lead time, send the volume you need and where it ships to.

Key Features of This Rotorcentrifugal Backward Curved Blower

• Model Number: LWBE3G355-102NS-24
• Voltage: 230 V
• Blade Material: Plastic
• Speed: 4172m³/h
• Warranty: 1 Year
• Place Of Origin: Zhejiang, China

Technical Specifications

Product Details

Specification

item	value
After-sales Service Provided	Online support
Place of Origin	China
	Zhejiang
Voltage	230V
Applicable Industries	Other
Customized support	OEM, ODM, OBM
Blade Material	Plastic
Model Number	LWBE3G355-102NS-24
Speed	4172m³/h
Warranty	Other
Core Components	Other
Product name	AC Backward Centrifugal Fan
Voltage	230V
Application	HVACR ,Ventilation ,Cooling system
Blade material	Propylene with glass fiber reinforced
Proteection Class	IP55
Motor	EC Motor
Warranty	1 Year
Specification	520W 50/60Hz
Operation Model	S1
Model Number	LWBE3G355-102NS-24

Product Description

Specification

About this item- Backward curved Centrifugal Fan(EC)

* Designed for a variety of ventilation units such as AHU,FFU,Ventilator of buildings,air purifier,Central ventilation units,Green houses, livestock farming,Harvest storerooms,etc;
* backward-curved blades | forward-curved blades | Fan & blowers with scroll housing;
* 230V 50/60Hz,| -25°C ~+60°C Operating temperature;

* Air Flow 433~23896m³/h,72~5600W,Low noise,Noise 63~96dB(A);

* Tach output,Locked-Rotor protection Reverse Polarity,Over-voltage protection,Soft Start,Maintenance-free ball bearings

Advantages of centrifugal fans:

* AC and EC / DC centrifugal fans with backward or forward-curved blades ;
* Compact design thanks to external rotor motor technology;
* Comprehensive product ranges for every application; .

* The AC backward centrifugal fan is efficient, quiet, durable, and easy to maintain.
✅ OEM/ODM Manufacturer. | ✅ TOP5 IN HVACr in CN | ✅ Best quality & Global support. ✅ 100% Replacement German Brands

Recommend Products

What drives us?

Our product range includes:

1. EC/DC/AC Centrifugal Fans: We design and manufacture high-efficiency, low-energy consumption EC/DC/AC centrifugal fans widely used in industrial manufacturing, commercial buildings, medical facilities, and more. These fans utilize advanced electronically commutated (EC) motor technology to achieve precise airflow control and energy optimization, providing customers with high-quality air movement solutions.

2. EC/DC/AC Axial Fans: We provide high-performance, high-efficiency EC/DC/AC axial fans for ventilation, air conditioning, and refrigeration applications. These fans offer excellent airflow capacity and energy optimization, creating comfortable and healthy indoor environments.

3. Industrial Ventilation Fans: We offer a wide range of ventilation solutions for industrial applications, including exhaust fans, supply fans, and environmental control fans. These fans feature high efficiency, reliability, and durability, meeting the requirements of various industrial applications.

4. Commercial Building Fans: Our commercial building fans are suitable for office buildings, shopping malls, hotels, sports arenas, and other venues. These fans are characterized by low noise, high efficiency, and controllability, providing good indoor air quality and a comfortable environment.

5. Agricultural Fans: We provide professional fan solutions for agricultural production, including greenhouse ventilation fans,poultry and livestock ventilation fans, and agricultural irrigation fans. These fans effectively enhance crop growth conditions and animal comfort, contributing to increased productivity and efficiency in agriculture.

Key Factors Influencing the Lifespan of an EC Centrifugal Fan:

Engineering and Manufacturing Quality:

The longevity of the fan is heavily dependent on the quality of the materials used and the precision of the manufacturing process.Fans engineered with robust materials and advanced manufacturing techniques generally exhibit enhanced durability and a longer operational lifespan.

Operational Conditions:

Operating the fan within its design specifications, such as maintaining the recommended pressure, temperature, and flow rate,ensures optimal performance and longevity. Deviations, such as frequent operation under overload, excessive vibration, or extremetemperatures, can induce premature wear and reduce the fan's lifespan.

Maintenance and Service Regimens:

Adherence to a rigorous maintenance schedule is critical for prolonging the fan's life. Regular inspections, cleaning, bearing lubrication, and timely replacement of wear-prone components, such as belts and seals, prevent unplanned downtime and extend the service life. Conversely, neglecting maintenance can lead to accelerated component failure and reduced lifespan.

Environmental Impact:

The ambient operating environment plays a significant role in determining the fan's durability. Factors such as high humidity,corrosive atmospheres, abrasive particles, and temperature extremes can negatively impact the fan's components, leading to corrosion, erosion, or thermal degradation. Fans installed in such environments may require specialized coatings, materials, or additional protective measures to mitigate these effects and maintain performance over time.

The operational lifespan of an AC centrifugal fan is contingent upon a variety of technical and environmental factors, including the quality of engineering, operational parameters, maintenance protocols, and environmental conditions. Typically, the service life of an AC centrifugal fan can range from 10 to 20 years under optimal conditions.

Why choose us ?

* High-end, Highly Customized
* 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

FAQ

Q1: Whats your advantages of your centrifugal fans?

1,high efficiency 2,long life span 3,easy installation

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. capacity :500k pcs annually. winding machine 20 units, capacity 500kpcs annually magnetization machine 6 : capacity 500kpcs annually Balance machine 22 units :500k pcs annually boring mill: 2 units high temp failure detection :3 chambers500k pcs annually For the fan: Injection machine : 12 units, capacity: 2millions pcs annually Welding machine:10units Balance machines: 14 units

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.

Q7: Where is our main market.

North America,Europe . some of longwell customers are the top 1 in their application.

Ordering and Pricing

• Minimum order quantity: 100 piece
• Volume pricing:
  • 100+ piece: US $99 / piece
• Ships from: China
• Customization: OEM and ODM accepted on qualifying volumes.

Frequently Asked Questions

What is the minimum order quantity for this rotorcentrifugal backward curved 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 rotorcentrifugal backward curved blower be supplied for my local voltage?

The standard configuration is 230 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 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.

See more in Centrifugal Fans on HVACR Nexus.