The cross flow fan listed here carries 24V, blade material galvanized steel, documented exactly as the manufacturer publishes it. Made by Suzhou Blauberg Motoren Technology Co., Ltd. (7 years on the platform, typical reply ≤1h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Cross Flow Fan
- Model Number: CD24-F040A-EC-02
- Voltage: 24V
- Blade Material: galvanized steel
- Warranty: 2 Years
- Certification: ceCCCROHS
- Place Of Origin: Jiangsu, China
Technical Specifications
| Voltage | 24V |
|---|---|
| Blade Material | galvanized steel |
| Mounting | Duct Fan |
| Warranty | 2 Years |
| After-Sales Service Provided | Online support |
| Customized Support | OEM |
| Place Of Origin | Jiangsu, China |
| Brand Name | Blauberg |
| Model Number | CD24-F040A-EC-02 |
| Application | General Machinery |
| Color | Picture |
| Usage | Electric Tool |
| Housing | Iron |
| Size | 47*46*650mm |
| Certification | ceCCCROHS |
| Selling Units | Single item |
| Single Package Size | 44X45X35 cm |
| Single Gross Weight | 5.000 kg |
Product Details
CROSS FLOW FAN:
the complete guide to types, specs & applications
Everything engineers and procurement teams need to know about cross flow fans (tangential fans) – from working principles and key specifications to application-specific selection.
WHAT IS A
CROSS FLOW FAN?
A cross flow fan — also referred to as a tangential fan, transverse fan, or cross flow blower — is a fan type characterized by its long, cylindrical impeller fitted with multiple forward-curved blades. Unlike axial fans (which move air parallel to the shaft) or centrifugal fans(which discharge air radially outward), the cross flow fan draws air in from one side of the impeller and expels it from the opposite side – all within the same plane and perpendicular to the rotation axis.
Viewed from the side, the impeller resembles an elongated hamster wheel or a manual lawn mower reel. This geometry enables the fan to generate a wide, flat, uniform stream of air across the entire length of its outlet – a characteristic no other fan type can replicate in a slim form factor.
In practical terms: If you need to push a consistent sheet of air across a long, narrow opening – like the vent of a split-type air conditioner, an air curtain doorway, or a flat-panel heater – the cross flow fan is uniquely suited to do the job quietly and efficiently.
SELECT BY MOTOR AND CONTROL METHOD,
NOT ONLY BY SHAPE
Putting AC, DC, and EC options on the same page reduces back-and-forth and turns vague price requests into engineering inquiries:
voltage, airflow, control method, and application constraints.
标题
Cross flow fans occupy a unique and largely irreplaceable niche : uniform, laminar, wide-area airflow from a thin, elongated package. Use this decision matrix to quickly confirm your choice:
SELECTION DATA TO COLLECT BEFORE QUOTING
A checklist converts better than a generic contact button. It shows engineers that you understand their constraints and helps them provide useful data in one pass.
标题
CROSS FLOW FAN MODELS & SPECIFICATIONS
Browse the Blauberg cross fow fan range by motor type, voltage, airflow, pressure, noise level, and installation dimensions.
HOW DOES A CROSS FLOW FAN WORK?
The defining characteristic of a cross flow fan is that air passes through the impeller twice: once as it enters through the open face of the rotor and again as it exits through the opposite side into the outlet scroll (volute).
KEY SPECIFICATIONS & PARAMETERS
The following table defines the performance envelope across the three main size categories, Always
request test data from the manufacturer at your actual operating point (airflow + static pressure), not just
free-air maximums.
Impeller Length vs. Airflow
One of the most powerful design freedoms offered by cross flow fans is customizable impeller length. Airflow scales roughly linearly with impeller length, enabling precise outlet width matching:
标题
Noise Performance Benchmarks
Aspect ratio, airflow & density scaling
The metric that distinguishes a tangential blower is the high aspect ratio between impeller length (L) and outer diameter (D). Small diameters of 25–150 mm pair with linear lengths from 76 mm to over 1,200 mm – so volumetric throughput can be doubled by extending L, with no rise in tip speed, diameter, or localized noise.
标题
Pressure generation stays low- typically 12-100 Pa – and static pressure is sensitive to ambient density (though density does not change volumetric flow):
标题
TOP APPLICATIONS OF CROSS FLOW FAN
The unique combination of uniform airflow, thin profile, and scalable length makes cross flow fans the
component of choice across multiple high-volume industries.
AC VS. DC VS. EC CROSS FLOW FAN
The motor type is the single most impactful specification decision for energy efficiency, noise performance,
and lifespan. Here is a direct comparison.
AC VS. DC VS. EC CROSS FLOW FAN
The motor type is the single most impactful specification decision for energy efficiency, noise performance,
and lifespan. Here is a direct comparison.
标题
HOW TO SELECT THE RIGHT CROSS FLOW FAN
Follow this 7-step systematic process to specify the correct cross flow fan for your application. Work
through each step in sequence – skipping steps is the primary cause of field performance issues.
BLAUBERG MOTOREN CHINA
PART OF THE BLAUBERG GROUP SINCE 1900
specializes in EC brushless motors and intelligent fan solutions, delivering precise, maintenance-free, and energy-efficient air-moving performance throughout the product lifecycle.
标题
With localized manufacturing in China and integrated expertise in motor technology, electronic control, and aerodynamics, our EC fans are trusted by customers in over 90+ countries across ventilation, refrigeration, and air purification industries. We combine German engineering standards with scalable, cost-competitive production to enable sustainable, high-performance solutions for a greener and healthier world.
GERMAN ENGINEERING QUALITY
SMART MANUFACTURING VALUE – SINCE 1900
Offering an extensive range of EC motors, fans and intelligent ventilation solutions
CERTIFICATIONS & COMPLIANCE
Every Blauberg EC fan carries the certifications your market demands. From UL/ETL for North America to CE for Europe, from ISO 9001 quality systems to CNAS-accredited laboratory testing — our 30+ certifications represent a complete, verifiable compliance infrastructure trusted by engineers in 90+ countries.
YOUR GLOBAL PARTNER IN REGULATORY
EXCELLENCE
Trust badges for ErP 2026, CE, UL, RoHS, and IE5,ISO, EMC ,etc
PACKING & SHIPPING
Every unit undergoes our rigorous, standardized packaging process and multi-tier quality inspection before being securely sealed for transit. We honor your trust, ensuring flawless and safe delivery every time.
标题
INSTALLATION, INTEGRATION & TRENDS
Technology trends
CFD-tuned asymmetric blade spacing spreads blade-pass noise into a broad white-noise spectrum, while EC control boards embed micro-sensors for predictive maintenance over Modbus RTU. Tightening indexes- EU Ecodesign sub-125 W and California Title 24- are phasing out fixed-speed induction models in favor of variable-speed brushless configurations.
Q1:What is a cross flow fan used for? | ||||||||
Cross flow fans are most commonly used in the indoor units of split-type air conditioners, commercial air curtains, air purifiers, panel heaters, convection ovens, electronics cooling systems, and medical equipment. Their defining advantage is delivering a wide, uniform airflow sheet from a slim, elongated enclosure – an airflow geometry no other fan type can match in a compact form factor. | ||||||||
Q2:What is the difference between a cross flow fan and an axial fan? | ||||||||
An axial fan moves air parallel to its rotation axis (like a propeller), producing a concentrated circular airflow pattern with some turbulence. A cross flow fan moves air perpendicularly across the impeller, producing a wide, flat, uniform laminar sheet across the full outlet length. Cross flow fans are quieter and better at distributing air evenly; axial fans deliver higher volumetric flow at lower cost for open, low-restriction applications. | ||||||||
Q3:How long does a cross flow fan last? | ||||||||
Cross few fans with ball bearings are typically rated for 40,000 to 50,000 operating hours -equivalent to 15-20 years of daily residential HVAC use. Sleeve bearing fans offer lower initial cost but shorter service life, particularly in vertical or high-temperature mounting orientations where lubrication migrates away from bearing contact surfaces. | ||||||||
Q4:Can cross flow fans be used with PWM speed control? | ||||||||
Yes – DC and EC cross flow fans support full variable-speed control via PWM signal (typically 0-100% duty cycle on a 25 kHz carrier) or 0-10V analog voltage. This enables quiet low-speed operation during partial-load conditions and fast ramp-up when maximum airflow is demanded. AC cross flow fans can achieve two or three speed operation through tapped windings, but cannot achieve the continuous speed range of DC/EC motor types. | ||||||||
Q5:What voltage do cross flow fans operate on? | ||||||||
DC cross flow fans are available 12V,24v,and 48V configurations. AC cross flow fans operate on 110V/120V or 220V/240V mains power. EC cross flow fans accept a wide AC voltage input (typically 100-277V) and regulate internally to the brushless motor's DC operating voltage,making them suitable for global deployment without hardware changes. | ||||||||
Q6:What is the difference between a cross flow fan and a cross flow blower? | ||||||||
The terms are used interchangeably throughout the industry. "Cross flow fan", cross flow blower, "tangential fan", and "transverse fan" all refer to the same cylindrical impeller design with transverse airflow. Regional preference varies. "cross flow blower" is more common in North America, "tangential fan" in European technical literature, and "贯流风 (guanliu feng)" in Chinese-language specifications. | ||||||||
Q7:Are cross flow fans energy efficient? | ||||||||
Modern EC and brushless DC cross flow fans are highly energy efficient. EC motor designs can achieve up to 70% energy savings compared to traditional shaded-pole AC motors, and are up to 30% more efficient than older AC cross flow fan designs. Their variable-speed capability means they consume only the energy needed for the actual system load condition rather than running at full power continuously – a significant saving in HVAC applications that operate at partial load for 80-90% of annual hours. | ||||||||
Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–99 piece: US $27.66 / piece
- 100–999 piece: US $24.9 / piece
- 1000+ piece: US $24.4 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this cross flow fan?
The standard minimum order quantity is 1 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 2 Years warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this cross flow fan carry?
It is supplied with ceCCCROHS documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the cross flow fan be supplied for my local voltage?
The standard configuration is 24V. 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 Suzhou Blauberg Motoren Technology Co., Ltd., based in China. The company 7 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Suzhou Blauberg Motoren Technology Co., Ltd. range on HVACR Nexus.
See more in Cross Flow Fans on HVACR Nexus.
