Minxin Cooling Fans, cooling fan manufacturer
DC RADIAL BLOWER FANS

China DC Blower Fan Factory

Minxin manufactures compact DC radial blower fans for equipment that needs directional airflow, higher static pressure, and space-saving cooling. Customize voltage, speed, outlet direction, wire length, connector, PWM, FG/RD signal, and IP protection to fit your design.

Directional Airflow
High Static Pressure
Compact Space Cooling
Custom Outlet & Connector
PWM / FG / RD Options
OEM Sample Support
Chat With Jessie

CE, RoHS, and UL certified. Quote within 24 hours.

Compact black DC radial blower fan close-up
01 / The Airflow Problem

When Axial Fans Are Not Enough

In compact equipment, cooling problems are not always caused by low airflow. Filters, ducts, narrow vents, heat sinks, and limited space can cut airflow before it reaches the target area. A DC blower fan guides air through a defined path with higher static pressure.

Compact centrifugal blower with a directional side outlet

Higher

Static Pressure Path

Airflow Cannot Reach The Target

Air may move inside the housing, but it does not always reach the heat source, outlet, or cooling channel. A blower fan directs airflow to the area that needs cooling.

Ducts And Filters Add Resistance

Filters, heat sinks, narrow vents, and curved air paths create airflow resistance. A radial blower fan maintains airflow where an axial fan may lose performance.

Installation Space Is Limited

Compact devices often leave little room for straight airflow. A DC blower fan fits into tight spaces and guides air through a side outlet or defined air path.

Outlet Direction Must Fit

Outlet direction, outlet size, mounting holes, wire routing, and connector need to match your product structure. Custom options reduce changes to your housing design.

Pressure And Noise Need Balance

Higher static pressure often needs careful speed control. Minxin matches airflow, pressure, voltage, noise, PWM, FG/RD signal, and protection needs for sample testing.

Not Sure Yet

Not Sure A Blower Fan Is The Right Choice?

Send your installation space, airflow path, voltage, noise limit, and outlet direction. We can suggest a suitable blower fan for testing.

Chat With Jessie
02 / Blower Fan Types

DC Blower Fan Types We Support

Choose a blower fan by equipment space, voltage system, airflow path, pressure requirement, control signal, and working environment. Minxin can recommend an existing series or adjust specifications for your project.

Compact black DC radial blower fan with side outlet Compact centrifugal blower fan in a scroll-shaped housing Black DC radial blower fan with integrated side outlet Blower fan pressure-versus-airflow performance curves Technician testing compact blower fans connected to control boards Compact centrifugal blower fan with enclosed scroll housing Cooling fan frame, impeller, bearing, and motor customization options DC Radial Blower

Mini DC Blower Fans

Designed for compact electronics, small medical devices, sensors, portable equipment, and small appliances. These blowers deliver focused airflow where installation space is limited.

12V DC Blower Fans

Suitable for air purifiers, electronic devices, automotive modules, small cooling ducts, and home appliance systems running on a 12V power supply.

24V DC Blower Fans

A practical choice for industrial equipment, battery systems, automation devices, and control cabinets that need stable operation on a 24V power system.

High Pressure Blower Fans

Recommended for ducts, filters, heat sinks, narrow vents, and airflow paths with higher resistance. These blowers maintain airflow through restricted structures.

PWM Blower Fans

Used when fan speed needs to change with temperature, load, or system control. PWM options help balance airflow, static pressure, noise, and power use.

IP Rated Blower Fans

Built for humid, dusty, outdoor, or special industrial environments. IP protection, waterproof coating, wire sealing, and dust-resistant options match your application.

Custom Blower Fans

For projects where standard models do not fit the structure. Minxin adjusts voltage, speed, outlet direction, mounting holes, wire length, connector, PWM, FG/RD signal, label, and packaging.

Not Sure Which Type

Which Blower Fan Fits Your Equipment?

Send your voltage, available space, airflow path, outlet direction, noise limit, and working environment. We help narrow down suitable blower fan options for testing.

Chat With Jessie
03 / Key Selection Factors

Key Factors When Choosing A DC Blower Fan

A suitable blower fan depends on more than size and voltage. Airflow path, static pressure, outlet direction, installation space, noise limit, control signal, and working environment all affect how the fan performs in your equipment.

01

Airflow Requirement

How much air needs to move through the system? Airflow affects heat removal, ventilation speed, and cooling performance. If exact data is not ready, share your heat source, housing size, and airflow path.

02

Static Pressure

Will the air pass through filters, ducts, heat sinks, narrow vents, or curved channels? In restricted structures, static pressure is often more important than free-air airflow.

03

Outlet Size And Direction

The outlet must match your duct, vent, or target cooling area. Outlet size, outlet direction, and air path design affect how efficiently air reaches the required position.

04

Installation Space

Check the available length, width, height, mounting position, and nearby components. A compact blower fan helps when straight airflow space is limited.

05

Voltage And Power

The fan should match your power system, such as 5V, 12V, 24V, or another project voltage. Current, power use, and starting performance should also be checked before sample testing.

06

Noise Level

Higher speed and higher pressure may raise noise. Fan speed, impeller design, airflow path, and housing structure should be balanced for equipment used in quiet environments.

07

Control Signals

PWM, FG, and RD signals may be needed for speed control, speed feedback, or alarm monitoring. These options help the blower fan work with your control system.

08

Duty Cycle And Environment

Continuous operation, temperature, humidity, dust, and outdoor exposure affect fan life. Bearing type, IP protection, wire sealing, and material options should match the working environment.

Not Sure Which Factors Matter Most?

Send your airflow path, static pressure, outlet direction, space, voltage, noise limit, control signal, and working environment. We help match the right blower fan for sample testing.

Which Parameter First

Not Sure Which Parameter Comes First?

Send your equipment space, airflow path, voltage, outlet direction, noise limit, and working environment. Minxin can suggest a blower fan option for sample testing.

Chat With Jessie
Size And Pressure Options

All DC Blower Fan Models

Filter by blower size to narrow the range. Every card links to a full product page with airflow, static pressure, and speed data.

0 of 0 Blowers

0 of 0 Blowers

Loading DC blower fans...

No blowers match your filter

Clear the size filter, or send us your size, voltage, airflow, and static pressure target and we match a blower for you.

Tell us what you need and we match a blower

Send your size, voltage, airflow, static pressure target, and quantity. Jessie replies with matching DC blower fans and pricing within 24 hours.

05 / Fan Type Comparison

Not Sure Which Fan Type You Need?

Different fan types work better in different airflow structures. Use this comparison to decide whether your equipment needs open airflow, directed airflow, or a larger air-moving system.

DC Axial Fan

Airflow Direction

Straight airflow through the fan

Best Used For

Open ventilation, cabinet cooling, and general equipment cooling

Key Point

Works best when airflow resistance is low

DC Blower Fan

This Page

Airflow Direction

Air enters from the inlet and exits through a side outlet

Best Used For

Ducts, filters, heat sinks, narrow vents, and compact cooling channels

Key Point

Better for directed airflow and higher static pressure

Centrifugal Fan

Airflow Direction

Air is moved outward by the impeller and guided by the housing

Best Used For

Larger ventilation systems, HVAC-related products, and industrial air movement

Key Point

Suitable for larger airflow systems or more complex air paths

Quick Decision Guide

Choose A DC Axial Fan

When you need straight airflow in an open space with low resistance.

Choose A DC Blower Fan

When air must pass through a duct, filter, heat sink, or narrow outlet.

Choose A Centrifugal Fan

When the system needs a larger structure, higher air volume, or broader ventilation.

What We Mean By Blower Fan

Compact DC Radial Blower Fans For Equipment Cooling

On this page, DC blower fans refer to compact DC radial blower fans for equipment cooling. If your space is limited and airflow must be guided to a specific area, a blower fan is usually the better starting point.

Chat With Jessie
06 / Typical Applications

Typical Applications Of DC Blower Fans

DC blower fans are used in compact equipment where airflow needs to pass through ducts, filters, vents, heat sinks, or narrow cooling channels.

Compact blower fan for focused airflow through equipment
01

Air Purification Equipment

Blower fans move air through filters and compact internal air channels in air purification systems.

Compact DC radial blower fan for directed equipment airflow
02

Medical Devices

Compact blower fans provide directed airflow for internal cooling or airflow control in space-limited medical equipment.

Compact centrifugal blower for cooling enclosed electronic assemblies
03

Battery Cooling

Blower fans guide airflow to battery modules, narrow ventilation paths, or heat-sensitive areas.

Compact blower fan with side outlet for electronic equipment cooling
04

Electronic Equipment

For compact electronic products where heat sources need focused airflow inside a limited housing.

Radial blower fan with integrated outlet for a compact airflow path
05

Small Ventilation Ducts

Suitable for narrow ducts, vents, and curved air paths where higher static pressure is required.

Compact centrifugal blower for directed heating or cooling airflow
06

Heating And Cooling Devices

Blower fans move warm or cool air through defined outlets and internal air channels.

Compact DC radial blower for enclosed electronics cooling
07

Automotive Electronics

Compact DC blowers support cooling in electronic modules with limited space and changing working conditions.

Compact centrifugal blower fan for directed industrial airflow
08

Industrial Equipment

For equipment that requires stable airflow, defined air paths, and custom wiring or connector options.

Send Your Details

Tell Us Where The Blower Fan Will Be Used

Send your application, installation space, airflow path, voltage, outlet direction, and working environment. We reply with a suitable blower fan option and a quote within 24 hours.

Chat With Jessie
07 / OEM Customization Options

OEM Customization Options

Minxin supports blower fan customization for your equipment structure, airflow path, electrical control, and working environment.

Infographic of cooling fan frame, impeller, bearing, and motor options OEM / ODM

Send your drawing, sample, or the fan you currently use. We adjust the specification and confirm details with you before sample testing.

Performance Customization

Adjust airflow, static pressure, speed, voltage, current, power consumption, noise level, and bearing type to match your cooling target.

Outlet And Mechanical Customization

Customize outlet direction, outlet size, mounting holes, housing structure, frame thickness, bracket, and air duct matching.

Electrical Customization

Support wire length, connector type, polarity, speed setting, PWM control, FG speed feedback, RD alarm signal, and power cable options.

Protection And Branding

Options include IP protection, dustproof design, waterproof coating, wire sealing, custom label, model sticker, bulk packaging, and OEM packaging.

Chat With Jessie
08 / Quality Checks

Quality Control And Testing

Each blower fan can be inspected and tested before shipment to help ensure consistent performance and reliable operation.

Technician testing blower fans and electronic control boards

9

Checks Before Shipment

01

Running Test

Verify stable fan operation before shipment.

02

Speed Verification

Check fan speed to match product specifications.

03

Voltage And Current Test

Confirm electrical performance under the required operating conditions.

04

Airflow Performance

Verify airflow performance for the selected model.

05

Noise Inspection

Check operating noise for stable acoustic performance.

06

Appearance Inspection

Inspect housing, impeller, labels, and overall product finish.

07

Wire And Connector Check

Verify wire length, connector type, and assembly quality.

08

Aging Test

Available for selected models or project requirements.

09

Final Inspection

Confirm product quality before packaging and shipment.

09 / Sample Support Process

From Requirement Review To Sample Testing

Blower fan selection often depends on the actual equipment structure, airflow path, and resistance. Minxin reviews your project details and provides suitable blower fan options for sample testing.

Step 01

Send Project Details

Share your application, available space, airflow path, voltage, outlet direction, noise requirement, and working environment.

Step 02

Confirm Key Requirements

We check airflow, static pressure, size, power, speed, control signal, connector, and protection needs against your target.

Step 03

Recommend A Suitable Model

A standard blower fan model is suggested first when one fits your requirement, to keep lead time and cost predictable.

Step 04

Adjust Specifications If Needed

Wire length, connector, speed, outlet direction, mounting method, PWM, FG/RD signal, or protection options are adjusted when the project requires it.

Step 05

Prepare Samples For Testing

Samples are prepared for installation, airflow, noise, and performance testing directly in your equipment.

Step 06

Move To Production

After the sample is confirmed, specification, packaging, and production requirements are finalized for batch orders.

Collage of DC blower fan assembly, testing, inspection, and packing
1 / 6
10 / Technical Documents

Technical Information Available

To support model selection, structure review, and sample testing, Minxin can provide technical information based on your selected blower fan model and project requirements.

Technical pressure-versus-airflow curves for a blower fan
Chat With Jessie
Datasheet
Basic specifications such as size, voltage, speed, airflow, static pressure, noise, current, power, and operating conditions.
Dimension Drawing
Check fan size, mounting position, housing clearance, and installation space before sample testing.
Outlet Drawing
Shows outlet size, outlet direction, and air path position for duct, vent, or housing design review.
Mounting Hole Drawing
Supports mechanical design review and helps confirm whether the blower fan fits your equipment structure.
Wire And Connector Information
Wire length, connector type, polarity, signal wires, PWM, FG, RD, and other electrical connection details.
Airflow And Static Pressure Data
Evaluate whether the blower fan suits ducts, filters, heat sinks, vents, or other restricted airflow paths.
Test Information
Running test, speed, current, noise, airflow, static pressure, aging, or other test information can be provided by model and project need.
Sample Approval Information
For custom projects, confirmed specifications can be recorded for sample approval and later production reference.
11 / Why Choose Minxin

Why Choose Minxin For DC Blower Fans?

Minxin supports DC blower fan projects from model selection and customization to sample testing and batch production.

DC blower fan production and quality-control workflow 01

Factory-Direct Support

Work directly with a blower fan factory for product selection, specification confirmation, customization, and production follow-up.

Compact centrifugal blower with a focused side outlet 02

Application-Based Selection

We review your equipment space, airflow path, outlet direction, voltage, pressure need, and noise requirement before recommending a model.

Cooling fan component options for engineering customization 03

Flexible Customization

Voltage, speed, outlet direction, mounting holes, wire length, connector, PWM, FG/RD signal, IP protection, label, and packaging can be customized.

Cooling fan connected to an electronic test instrument after production 04

Sample Testing Support

Samples can be provided for installation, airflow, noise, and performance testing before batch production begins.

DC blower fan assembly and production activities at factory workstations 05

Small Batch To Mass Production

Minxin supports sample orders, small batch validation, and later production based on confirmed specifications.

Worker inspecting and packing cooling fan assemblies before shipment 06

Quality Checks Before Shipment

Blower fans can be checked for running performance, speed, current, noise, wiring, connector, appearance, and final packaging before shipment.

12 / Inquiry Information

What To Send For A Blower Fan Inquiry

The more project details you share, the easier it is to recommend a suitable blower fan. If some parameters are not confirmed yet, send your application, available space, and airflow path first.

Not sure about airflow or static pressure? Send your application, space, airflow path, voltage, and outlet direction. Minxin helps narrow down suitable options for testing.

Application

What equipment will the blower fan be used in?

Installation Space

Available length, width, height, and mounting position inside your product.

Airflow Path

Whether air must pass through a duct, filter, heat sink, vent, or narrow channel.

Required Airflow

Target airflow value, or the cooling problem you need to solve.

Static Pressure

Required pressure value, or details about filters, ducts, vents, and airflow resistance.

Outlet Direction

The required outlet position, outlet direction, and outlet size.

Voltage

Required voltage, such as 5V, 12V, 24V, or another project voltage.

Noise Requirement

Noise limit or working environment, such as medical, office, home, or industrial use.

Control Signal

PWM, FG, RD, speed control, alarm signal, or other control needs.

Wire And Connector

Wire length, connector type, polarity, and cable routing requirements.

Working Environment

Temperature, humidity, dust, indoor or outdoor use, and IP protection needs.

Quantity

Sample quantity, trial order quantity, or estimated production demand.

13 / Blower Fan FAQ

FAQ About DC Blower Fans

Common questions about airflow, static pressure, voltage, control signals, and protection. Send your project details for a specific answer.

What is the main advantage of a DC blower fan?

A DC blower fan can guide airflow through a specific outlet and provide higher static pressure than many axial fans. It suits ducts, filters, heat sinks, vents, and compact internal cooling channels.

Is a blower fan better than an axial fan?

Not always. An axial fan is better for open airflow and general ventilation. A blower fan is better when air must pass through resistance or reach a specific area inside compact equipment.

Airflow or static pressure, which matters more?

Both matter, but static pressure is often more critical when the airflow path has resistance. Filters, ducts, heat sinks, narrow vents, and curved channels reduce airflow if the fan pressure is too low.

Can a blower fan push air through a filter?

Yes, a suitable blower fan can move air through filters, but filter resistance must be considered. The fan should be selected based on airflow, static pressure, filter density, outlet size, and noise requirement.

Why does the same fan perform differently in different equipment?

Airflow and noise change with housing design, duct length, outlet size, filter resistance, inlet clearance, and installation position. Sample testing in your equipment is recommended before production.

Can blower fan noise be reduced?

Yes. Noise can be improved by adjusting fan speed, airflow path, outlet design, installation structure, and vibration control. PWM speed control also helps when full speed is not always required.

What voltage options are available for DC blower fans?

Common options include 5V, 12V, and 24V. The right voltage depends on your power system, speed requirement, current limit, starting performance, and control design.

Can blower fans support PWM speed control?

Yes. PWM blower fans allow speed adjustment based on temperature, load, or system control. This helps balance airflow, static pressure, noise, and power consumption.

What are FG and RD signals used for?

FG provides speed feedback, which helps the system monitor fan rotation. RD provides alarm output, which can detect fan stop or abnormal operation in the control system.

Can blower fans be made waterproof or dustproof?

Yes, selected blower fans can be designed with IP protection, waterproof coating, dustproof options, wire sealing, or other protective features. The protection level should match the working environment.

Still have a question about your project?

FINAL PROJECT SUPPORT

Start Your DC Blower Fan Project With Minxin

Whether you need a blower matched to your equipment, help balancing airflow and static pressure, or just a direction to start, send what you have. Jessie replies personally within 24 hours with real specs and a clear next step.

Jessie Chen, blower fan sales contact at Shenzhen Minxin Industrial

Jessie

Your Cooling Fan Solution Consultant

Replies within 24 hours

Every message here reaches me directly. Tell me about your equipment, airflow path, and outlet direction, and I come back with blower fan specs and a real quote, not a brochure.

Your application, available space, voltage, or an old fan photo is enough to start. We supply compact DC radial blower fans to OEMs, equipment makers, and distributors across 60+ countries.

Jessie Chen

Sales, Shenzhen Minxin Industrial Co., Ltd.

QUOTE REQUEST

Tell Us About Your Blower Fan Project

Fields marked are required.

Details stay private No sales spam Jessie replies in person