Double Inlet Centrifugal Blower
Your Professional Double Inlet Centrifugal Blower 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-D133-H190-E115-A01 |
115 |
90~135 |
50/60 |
1.80 |
120 |
1400 |
900 |
290 |
67 |
|
EN-D133-H190-E230-A01 |
230 |
184~274 |
50/60 |
0.90 |
120 |
1400 |
900 |
290 |
67 |
Advantages of Double Inlet Centrifugal Blower
Low Energy Consumption
Thanks to an optimized design regarding the dimensions and rotational speed of its impellers, the double-inlet centrifugal fan offers relatively high efficiency. Furthermore, under identical operating conditions, it delivers a higher airflow rate than a single-inlet fan, thereby reducing energy consumption.
Flexible Installation
The impeller within a double-inlet centrifugal fan is capable of handling high airflow volumes, which enables the design of more compact equipment. The dual-inlet configuration offers greater layout flexibility and facilitates plant modernization projects or the integration of new equipment into existing systems.
High Airflow Volume
For a given physical size, a double-inlet centrifugal fan delivers a higher airflow rate than a single-inlet fan. To achieve a specific airflow rate, a single-inlet fan may require a larger diameter or a higher rotational speed.
Low Noise Levels
Fan noise is primarily linked to airflow pulsations and the load on the impeller. For high airflow volumes, the use of two inlets helps balance the load and creates a more symmetrical airflow pattern. This contributes to a reduction in the noise and vibrations generated during operation.
Applications of Double Inlet Centrifugal Blower
Large HVAC systems
In large commercial buildings, shopping malls, airports and other places, a large amount of air needs to be processed to ensure the comfort and air quality of the indoor environment. Double-inlet centrifugal blowers can provide high air volume in a relatively compact space to meet the needs of such occasions.
Air handling units
Air handling units usually need to process mixed air of fresh air and return air, requiring fans with high air volume and low noise. The design of double-inlet centrifugal blowers makes them very suitable for installation in AHUs, providing efficient air handling capabilities.
Industrial ventilation systems
Certain industrial occasions, such as textile mills, food processing plants and pharmaceutical plants, require a large amount of air circulation to maintain the cleanliness and temperature of the production environment. Double-inlet centrifugal blowers can meet high air volume requirements while maintaining low noise levels, adapting to the special requirements of these industrial environments.
Low static pressure conveying system
In some material conveying systems, air needs to be conveyed at low static pressure to avoid excessive impact on the materials. Double inlet centrifugal blowers provide high air volume with low static pressure, which is suitable for this application.
Differences Between Single Inlet and Double Inlet Centrifugal Blower
|
Feature |
Single Inlet Centrifugal Blower |
Double Inlet Centrifugal Blower |
|
Air Intake |
One side of impeller |
Both sides of impeller |
|
Airflow Volume |
Moderate |
High |
|
Pressure Capability |
Suitable for moderate static pressure |
Handles higher static pressure efficiently |
|
Size and Installation |
Compact and lightweight |
Larger, requires more installation space |
|
Cost |
Lower cost |
Higher initial investment |
|
Applications |
Small HVAC units, appliances, electronics |
Commercial HVAC, industrial systems, cold chain |
Precautions for Using Double Inlet Centrifugal Blower
Regular Inspection
Regular inspections of fan components are crucial to identifying signs of wear or damage promptly.
Proper Lubrication
Adequate lubrication of moving parts is essential in reducing friction and preventing premature wear.
Cleaning
Routine cleaning of fan blades and housing is necessary to eliminate dust and debris that can hinder performance.
Balancing
Ensuring fan blades are well-balanced helps prevent excessive vibration and potential mechanical issues.
Temperature Monitoring
Monitoring the fan's operating temperature is vital in preventing overheating and potential damage.
Filter Replacement
Timely replacement of air filters maintains optimal airflow and prevents blockages.
Ordering Process
Inquiry - quotation - communication - order confirming - deposit payment - production - testing and debugging - balance payment - packing - delivery - customer receiving - after service.
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 double inlet centrifugal blower manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to buy high-grade double inlet centrifugal blower made in China here from our factory. We also accept customized orders.
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