LONGWELL Cross Flow Fan, Tangential Blower Fan, 220V, Aluminum Alloy, for Air Curtains, AHU, FFU

Voltage 220 V
ISO / CE / UL / ETL Factory & Test Lab OEM / ODM ebm-papst alternative

$ 3

Category: Tags: , ,
CategoryCross Flow Impeller
TagsAir CurtainCross Flow FanHVAC System
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This product has acquired the relevant product qualification(s)/license(s) of certain applicable country/countries. View more

Highlights at a glance

LONGWELL Cross Flow Impeller – Professional HVAC Fan & Motor Manufacturer Engineered for Performance & OEM Flexibility LONGWELL offers a comprehensive range of Aluminum Alloy Cross Flow Impellers designed specifically for high-volume B2B procurement and custom HVAC integration. As a professional manufacturer, we provide precise engineering to meet the rigorous demands of your equipment.Key Advantages for Wholesale Partners:

Broad Dimensional Range: Extensive diameter options from 30mm to 150mm. Length capabilities ranging from compact 115mm up to industrial-scale 1050mm. This wide matrix ensures compatibility with diverse equipment envelopes for electrical fireplaces, air curtains, vehicle air conditioning, and dishwashers.

Optimized Blade Geometry: Configurations from 20 to 50 blades ensure superior aerodynamic performance. The design delivers Low Noise operation and High Air-Quantity output, critical for end-product comfort and energy compliance.

Premium Material Integrity: Constructed from Aluminum Alloy Plate. This guarantees lightweight handling, High Tensile Strength, and exceptional rotational balance for long-term reliability in high-cycle applications (warmer, microwave, electron cooling).

Supply Chain Agility: We support medium to large-scale procurement with custom length cutting and diameter specifications based on the technical parameters listed. Whether you require standard dimensions or specific modifications for ground-heating units, our manufacturing process aligns with your inventory and customization needs.

Ideal for OEMs & Large-Scale Integrators. Secure a consistent supply of balanced, durable impellers. Contact us for bulk pricing and technical data sheets covering wheels from 71mm (25 blades) to 150mm (50 blades).

About this supplier
LONGWELL is a globally recognized fan manufacturer,specializing in high-performance EC/DC/AC fans,blowers,and motor systems for HVACR applications.With over 20 years of export experience and millions of units produced annually,we deliver reliable airflow solutions to OEMs in more than 30 countries. Our extensive product range includes centrifugal fans,axial fans,cross-flow fans,forward curved blowers,and ECM motors widely used in AHUs,FFUs,purifiers,heating systems,and industrial ventilation.We are certified to ISO9001,ISO14001,BSCI, CE,UL/ETL,FCC,and RoHS standards,ensuring full compliance across global markets. As an innovation-driven company,Longwell integrates aerodynamic design,CFD simulation,and custom engineering to meet specific client needs.Backed by advanced R&D labs,flexible manufacturing,and a global sales network across 8 regions,we respond quickly with tailored fan solutions built for efficiency,durability,and compliance. Our 40,000 sqm Smart Factory produces 1M+ fans yearly with 100% balancing and performance testing. We have B&K noise lab, CFD simulation, aerodynamic test chamber, and robotic injection molding. Every fan meets declared air volume and pressure curve. We offer real OEM/ODM: custom cable length, connector, terminal coating, frame color, and private labeling. In-house mold shop cuts lead time by 3-5 weeks. Free pre-production samples with test reports for qualified buyers. Traceable batch management from raw material to finished goods. Each fan has a unique serial number. 12-month warranty and 48-hour video technical support. Audited by Fortune 500 HVAC brands. 92% customer retention rate. We are the actual manufacturer, not a trading company. Request a live video tour anytime. Partner with us for reliable, energy-saving fans.
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FAQs
What are the key performance features of LONGWELL aluminum cross flow impellers?
LONGWELL cross flow impellers are engineered for low noise, high air quantity, excellent dynamic balance, high tensile strength, and lightweight construction. Our aluminum alloy plate construction ensures durability while maintaining the precision required for uniform airflow across the entire length of the wheel. These features make them ideal for high-demand commercial and industrial HVAC applications.

What diameters and standard lengths are available, and do you accept custom length orders?
We offer a comprehensive range of wheel diameters from 30mm to 150mm. Standard lengths vary by diameter, ranging from 115mm up to 1050mm (e.g., 60mm offers lengths from 120mm to 480mm; 100mm offers lengths from 360mm to 1000mm). Yes, we fully support custom length requirements. For wholesale and OEM clients, we can cut the impeller to precise millimeter specifications to meet your exact assembly needs.

What material is used for the impeller blades and what are the benefits for B2B buyers?
All impellers are manufactured using Aluminum Alloy Plate. This material provides an excellent strength-to-weight ratio, reduces rotational inertia, and resists corrosion. For B2B buyers integrating these into appliances or air curtains, this translates to longer motor lifespan and reduced shipping weight compared to steel alternatives.

How does LONGWELL ensure dynamic balance and low noise in mass production?
As a professional HVAC fan and motor manufacturer, we adhere to strict quality control standards. Each impeller undergoes precision dynamic balancing to meet G6.3 or higher balancing grades (customizable upon request). The specific blade count design (ranging from 20 blades on 30mm to 50 blades on 150mm) is optimized to minimize air turbulence, ensuring consistent low-noise operation across bulk orders.

What are the typical industrial applications for these cross flow impellers?
Based on our catalog specifications, LONGWELL impellers are widely used in: Electrical Fireplaces, Air Curtains/Air Doors, Microwave Ovens, Dishwashers, Vehicle Air-Conditioning, Ground Heating Systems, and Electronic Cooling Units. Their wide diameter range (30mm – 150mm) covers everything from compact kitchen appliances to large-scale commercial air doors.

What is the Minimum Order Quantity (MOQ) for customized cross flow fans, and do you provide samples?
Our MOQ is flexible to support both medium and large-scale procurement. Standard sizes typically have a low MOQ, while fully customized diameters/shafts may require a negotiation based on tooling setup. We do provide samples for functional testing and fitment verification; sample lead time is generally 5-7 days depending on the complexity of the specifications.

What is the typical production lead time for a bulk wholesale order?
For standard sizes and lengths listed in our specification table, production lead time is approximately 15-20 days after order confirmation. For custom lengths or special end ring modifications, please allow 20-30 days. We maintain a large inventory of aluminum alloy plate raw material to accommodate urgent bulk demands from OEM clients.

Do you offer OEM/ODM services for cross flow impellers (shaft, blade count, end rings)?
Absolutely. LONGWELL specializes in OEM/ODM solutions for B2B clients. We can customize: Shaft Diameter & Material: Matching your motor specifications. Blade Count: Adjusting number of blades for specific pressure/flow curves (as referenced in our catalog, from 20 up to 50 blades). End Rings & Flanges: Custom injection molded or aluminum end rings for specific housing mounts. Simply provide your drawings or required parameters, and our engineering team will provide a tailored solution for you

Additional information

voltage

220 V
speed

4000 RPM, 1100rpm, 990rpm
mounting

Free Standing
Blade Material

Aluminum alloy
Material

Plastic, Aluminum Alloy, Steel
customized support

OEM, ODM

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