Tangential Fan, LONGWELL, ABS

Key specification for this tangential fan: blade material ABS, type CROSS FLOW FAN IMPELLER. Everything below is reproduced from the factory data sheet. 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 Tangential Fan

• Material: Plastic, Aluminum Alloy, Iron, Stainless Steel
• Blade Material: ABS
• Warranty: 3 Years
• Certification: CCC CE
• Place Of Origin: Zhejiang, China
• Application: Air Conditioning,Air curtain,Ventilation Fans,Heaters,Air purifier …

Technical Specifications

Product Details

Product Paramenters

Types :	LONGWELL Air Conditioner Parts Cross Flow Fan Impeller Plastic Cross Flow Fan Blade OEM&ODM Customizable
Outer Diameter (mm) :	Customized
Height (mm):	Customized
Material :	Reforced AS,ABS,ABS,PP,Customized
Color：	Customized
Protection Level:	IP44 ,IP54,IP55
Certificating :	All necessary certifications suitable for USA & Europe , ETL,UL ,CE ,RoHS, ISO19001,ISO 14001,BSCI
Mainly Applications:	AUH/ AIR PURIFIER / Server Cooling & Ventilation / Grow Tent /Ventilation SYSTEM/ Equipments Cooling /Refrigerator,etc;ventilation fan cooling;ventilation exhaust fans
MODEL:	RENOWNED BRANDS
LW398-98	CARRIER
LW398-85	GIBSON
LW375-125	LG-SMALI
LW420-155	GREE
LW388-75	YOKE
LW460-151	LG-BIG
LW320-130	MINI
LW420-145	MANDO

Technical Specification

The rubber assembly is made of hard alloy aluminum and aluminum chloride as a whole,which can realize high precision machining with high strength and good damping effect.

Steel shaft made of 3Cr13 stainless steel.Ra=0.04, HRC50-55°, corrosion resistant and high strength;The diameter,height and shape of the steel shaft can be adjusted according to the requirements of customers.

* Notes:

1.The product is made with glass fiber reinforced AS materia content of glass fiber, The fabrication of ultrasonic welding is realized with specialized equipment to ensure the aggregation strength and uniformity of welded parts. 2.Blade structure:straight blade oblique blade,More shapes and distribution modes available for selection.

Mold Manufacturing Process

MOULD DESIGN:

Our Mechanical Design services include complete structural design,Stack-up design,Tolerance Analysis,material selection DFMEA DFM and DFA one of the Design.integrity's most valuable tools in new product design is the failure modes and effects analysis (FMEA).

Applications

Air Conditioner

Air curtain

Air Purifier

Automotive Air conditioners

Commercial Air Conditioning

Fan Heaters

Air Conditioning System

Tower Fan

Water Cooling Air Conditioner

Company Profile

Delivery premium quality fans globally for healthier breathing !

Centrifugal fans | Axial fans | Cross flow fans | Duct fans | Motors

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.

Protective Packaging & Secure Shipment

To ensure each cross flow fan arrives in perfect condition,we use high-density protective foam blocks and durable exportgrade cartons for individual units.For bulk shipments,fans are securely palletized and wrapped for stability,with full-container loading available for large orders.Custom packaging solutions are also available upon request to meet specific logistics or branding needs.

Exhibition

Global HVACR Exhibitions Participation

Longwell actively showcases its HVAC fan innovations at leading international exhibitions,reinforcing our global presence and customer trust.From the AHR Expo in the USA to MCE in Milan,ISH China & CIHE,HARFK Korea,and Chillventa in Germany,we engage directly with industry professionals to present efficient airflow solutions. Our participation in events like Interclima (France),HVACR Expo Saudi,HVACR Vietnam,and the Canton Fair highlights our ongoing commitment to serving global HVACR markets with customized and high-performance fan systems.

Trusted by Leading Global HVACr Brands

Longwell is a reliable partner to many internationally recognized HVAC and ventilation equipment manufacturers.Our fan solutions are widely integrated into air handling units (AHU),fan filter units (FFU),air purifiers,air conditioners,and industrial ventilation systems.We are proud to collaborate with renowned brands such as Systemair,Frico,York,GREE,Carrier,and other industry leaders.This strong and diverse partnership network reflects our ability to deliver highperformance,customized fan solutions across a broad range of applications.

Certifications

Comprehensive Certifications & Global Brand Assurance

Longwell products and production systems are fully certified to meet international safety,quality,and environmental standards.Our fan solutions comply with UL,ETL,CE,FCC,and RoHS directives,ensuring safe and reliable performancein global markets.Our manufacturing facility is ISO9001,ISO14001.ISO45001,and BSCI certified,reflecting our commitment to quality control,sustainability, and social responsibility.Additionally,the LONGWELL trademark has been officially registered in multiple countries and regions,offering secure brand protection and global OEM/ODM flexibility.

Global Sales Network & Localized Service

Longwell operates a robust global sales network with 8 regional sales organizations,including our headquarters in China.Our international presence spans key markets across North America,Europe,Asia,and the Middle East.This localized structure enables us to deliver fast,region-specific support from presales consultation to after-sales service.With multilingual teams and deep market understanding,we ensure efficient communication,swift feedback,and tailored fan solutions that align with local regulations and customer expectations. Whether you’re an HVAC equipment manufacturer in Germany,an air purifier brand in South Korea,or a system integrator in the UAE,our global team is ready to respond quickly and professionally.

FAQ

Q1. what’s the advantages of your cross flow fan ?

-LONGWELL cross flow is special design for low noise purpose only . noise even low to 19 dBA ;

– We have large production range from 20mm to 200mm ;

– We have heavy duty design which makes 4000rpm for diameter less 60mm，150mm dia fan makes over 2700rpm.

Q2. Does Longwell provide any speed control options for DC cooling fans ?

Reply :
Yes , Longwell can provide some speed regulator solutions according customer’s requirements ,such as :
– The 0-10V/ pwm controller is for use with the full range of cross flow fans / dc cooling fans. Powered by the 10VDC it provides infinitely variable, manual speed control between 0% and 100% ;
– Can control multiple fans running at the same speed ;
– Stepless control knob for infinitely variable speed setting .

Q3. how we connect the tangential fan to our application ,is there a wiring diagram ?

Please check the speed control of your application first ( is it PWM or 0-10V ) ,
Please refer to the wiring diagram of 0-10v series as below :
for more details please contact us for professional engineer service ,

Q4. Life span of this kind of dc cross flow fan ?

Longwell EC external rotor motor surpasses efficiency class IE4, magnets with no rare earths, maintenance-free ball bearings (sealed) with long-term lubrication, theoretical nominal service life of at least 40,000 hours of operation, installation with horizontal and vertical motor shaft; soft start, integrated current limitation. Integrated electronics, quiet commutation logic;100 % speed controllable; control signal 0-10 V DC / PWM; tach output.

Q5. Are there any other AC DC EC cross flow fans options or solutions for selection ?

Yes ,sure .
LONGWELL is a professional manufacturer of fans, blowers , motors and components for heating ,venlation, air conditioner and refrigeration applications ,specialist in centrifugal fans, axial fans, AC /BLDC cross flow fans, single / double forward curved fan BLOWERS ,AC / BLDC/ECM motors as well as industrial fan blowers, inline duct fans , Poultry ventilation fans ( AC / DC /EC ),etc. Please check below photos for reference :

Longwell as a known and trustworthy DC cross flow fan Supplier in China , we assure you the best product quality and service. If you are looking for DC cross flow fans for your manufacturing applications or electronic devices, do go through the features and specifications of our various models of DC cross flow fans. In case you require any further information or have technical queries,you can contact us directly at :Tel:+86 183-5827-4663 ；

E-mail:sales@zjlongwell.com

Related Products

Centrifugal Fans

Metal Duct Fans

Fan Blowers

Plug Fans

Duct Fans

Cross Flow Fans

Axial Fans

Axial Cooling Fans

Motor

Industrial Centrifugal Blowers

Cross Flow lmpeller

HVACR Components

Ordering and Pricing

• Minimum order quantity: 500 piece
• Volume pricing:
  • 500–999 piece: US $2 / piece
  • 1000–4999 piece: US $1.5 / piece
  • 5000+ piece: US $1 / piece
• Ships from: China
• Customization: OEM and ODM accepted on qualifying volumes.

Frequently Asked Questions

What is the minimum order quantity for this tangential fan?

The standard minimum order quantity is 500 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 3 Years warranty. Spare parts and technical support remain available after the warranty period.

Which certifications does this tangential fan carry?

It is supplied with CCC CE documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.

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.

See more in Cross Flow Fans on HVACR Nexus.