Centrifugal Fans and Blowers
Your Professional Centrifugal Fans and Blowers Supplier
ECNITY is a professional manufacturer specializing in EC motors and fan solutions for HVAC and industrial applications. With years of experience in motor production, fan assembly, and system optimization, we provide energy-efficient centrifugal and axial fans for OEM manufacturers and system integrators worldwide. Our products are widely used in ventilation, air conditioning, cooling, and industrial airflow systems.
Customized Solutions
We offer flexible OEM and ODM support for airflow, pressure, motor control, and structural design. Each project is adjusted to match different applications and customer needs.
Quality Control
Our manufacturing covers the full production process, including motor assembly, impeller balancing, fan assembly, and testing. Strict quality control helps ensure product consistency and long-term reliability.
Professional Service
Effective technical communication improves project efficiency. Our engineering team works closely with customers to reduce development risks, shorten lead times, and support long-term cooperation.
Parameter
|
Model No. |
Rated |
Operation Voltage |
Frequency |
Rated |
Rated Power |
Rated |
Air Flow |
Air |
Noise |
|
VAC |
VAC |
Hz |
A |
W |
RPM |
m3/h |
Pa |
dBA |
|
|
EN-F120-H062-E115-A01 |
115 |
90~135 |
50/60 |
0.80 |
55 |
2400 |
280 |
400 |
59 |
|
EN-S120-H062-E115-A01 |
|||||||||
|
EN-F120-H062-E230-A01 |
230 |
184~274 |
50/60 |
0.40 |
55 |
2400 |
280 |
400 |
59 |
|
EN-S120-H062-E230-A01 |
Types of Centrifugal Fans and Blowers
The centrifugal fans and blowers produced by our company mainly include the following types:

Forward Curved Centrifugal Fan
EC forward curved centrifugal fans is driven by an electronically commutated permanent-magnet synchronous motor and combined with the structural advantages of a forward-curved impeller, forming an integrated ventilation solution that delivers high energy efficiency and intelligent control.

Ec Centrifugal Blower
EC centrifugal blower fans feature a wide high-efficiency operating range and maintain high efficiency even under low-load conditions. Energy consumption is more than 30% lower than that of traditional fans.

DC Centrifugal Blower
DC direct drive centrifugal blower consist primarily of a brushless DC motor, single-inlet impeller, volute housing, and an external speed controller. The simple structure and reduced number of components result in a low failure rate.
Advantages of Centrifugal Fans and Blowers
Low Maintenance
One of the key advantages of centrifugal blowers is their low maintenance expense. After investing significantly in equipment repairs and installation, the minimal upkeep costs of centrifugal blowers are advantageous for controlling overall operational expenses.
Energy Savings
Efficiency is crucial for any industrial equipment, impacting both cost and productivity. Centrifugal blowers are designed to provide a steady and consistent air flow, achieving up to 84% static efficiency. This high level of efficiency is essential for optimizing the performance of large-scale air flow systems.
Versatility and Adaptability
Centrifugal blowers are favored across industries for their versatility and adaptability. They can be customized and adjusted to fit the specific requirements of various industrial operations, making them suitable for dynamic and evolving environments.
Durability and Hazard Resistance
In today’s manufacturing environments, equipment must be robust enough to handle harsh and challenging conditions. Centrifugal blowers and fans are specifically designed to operate reliably in environments that are corrosive, toxic, extremely hot, or highly humid.
Applications of Centrifugal Fans and Blowers

Clean Air Circulation
In some industrial processes, the circulation of clean air is extremely important. With the capacity to circulate clean air at high volumes, centrifugal blowers emerge as an obvious choice in this scenario, as they are also robust by design and can handle heavy-duty operations.
Material Handling
Small particles like sand, sawdust, paper trim, wood chips, plastic pellets and other such materials are often handled using a strong centrifugal force. Hence, a blower also comes in handy for such operations, for it can handle a plethora of such fine particles with ease.
High-Temperature Operation
Many industrial processes require high temperatures. Moreover, this heat also needs to be circulated from one part of the system to the other and convection is the most feasible option to do so.
Saturated Air Processing
In some industries, processing saturated air is paramount. Saturated air essentially means air that has extreme levels of moisture, thus industries, where the products need to be completely dry, use centrifugal fans to process this air.
Dust Collection
Apart from delivering clean air, centrifugal blowers can also be used exclusively for dust collection. These blowers can work in tandem with air filtration units to remove dust and other small, unwanted particles from the air.
Installation Precautions for Centrifugal Fans and Blowers




Choose the Right Location
When installing a centrifugal blower , select a suitable location that allows for optimal airflow. Blowers require adequate clearance around the unit to prevent overheating and promote effective airflow.
Use a Stable, Level Surface for Mounting
A stable and level foundation is critical for blowers , recommends using vibration pads or mounts to absorb excess vibrations, which is particularly useful for high-power blowers.
Ensure Proper Alignment of Components
Misalignment can affect the efficiency and safety of any centrifugal blower , During installation, ensure that the fan, motor, and shaft of the blower are aligned.
Check and Secure Electrical Connections
Correct electrical setup is essential for any centrifugal blower. Make sure that your blower’s voltage matches the power supply and that all electrical connections are secure and up to code.
Install the Ductwork Correctly
Ductwork significantly impacts the performance of centrifugal blowersTo avoid restricted airflow, install ductwork with minimal bends and avoid sharp angles.
Optimise Inlet and Outlet Conditions
Prioritise quiet operation, making them suitable for quiet environments like bedrooms or offices.Low-noise fans,enhance comfort without disrupting concentration or relaxation.
Lubricate Bearings and Moving Parts
Centrifugal blowers benefit from regular lubrication of bearings and other moving parts, reducing wear and ensuring smooth operation.
Install Vibration and Noise Dampeners
Reducing vibration and noise is important for both performance and safety. Centrifugal blowers,can be fitted with vibration isolation pads or flexible connectors to minimise transmitted noise.
Test and Balance the Blower After Installation
After installation, test your blower for proper airflow and performance. Check for vibrations or noise that may indicate alignment issues.
Regularly Inspect and Maintain Post-Installation
Regular inspections help prolong the life of blowers. Establish a schedule for maintenance, including cleaning, lubricating, and checking alignment.
Customizable Options
|
Blower Type |
Single inlet / Double inlet / High pressure |
|
Airflow Capacity |
100–5000 m³/h |
|
Static Pressure |
200–5000 Pa |
|
Voltage Options |
12V / 24V / 48V / 110V / 220V / 380V |
|
Motor Type |
AC motor / DC motor / EC motor |
|
Fan Size |
120mm–800mm |
|
Speed Control |
PWM / Variable speed / Frequency control |
|
Blade Material |
Aluminum / Steel / Plastic |
|
Housing Material |
Galvanized steel / Stainless steel / Aluminum |
Packaging and Shipping
|
Packaging |
Cardboard boxes, wooden crates |
|
Shipping |
Shipping by sea, by air, by express are acceptable. According to your requirements. |
Our Factory






FAQ
As one of the most experienced centrifugal fans and blowers manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to buy high-grade centrifugal fans and blowers made in China here from our factory. We also accept customized orders.




