
CENTRIFUGAL BLOWERS
Blauberg Motoren centrifugal blowers combine compact scroll housing geometry, forward-curved impeller platforms and configurable motor technology for ventilation systems, air handling units and OEM equipment that needs stable airflow through filters, coils, ducts and compact machine spaces.
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BLAUBERG FOR
DIRECTED PRESSURE AIRFLOW
Centrifugal blowers draw air into the impeller and discharge it at a right angle through the volute outlet. The scroll housing redirects the airflow while helping generate the static pressure required for ducted, filtered and enclosed systems. With EC/DC motor technology and a range of compact sizes, Blauberg blowers deliver flexible airflow solutions for ventilation, air handling and equipment cooling applications.
- 62 dB(A)
- 2,426 m³/h
- 750 W
- Φ120~250 mm
- EC / DC Motors
Single-inlet blowers
Dual-inlet blowers
COMPACT BLOWER MODULES FOR EQUIPMENT THAT
NEEDS FOCUSED AIR MOVEMENT

Blauberg Motoren develops centrifugal blower solutions for OEM ventilation systems, air handling units, air purification, HVAC modules, electronics cooling and industrial equipment. The page structure follows Blauberg product landing pages while highlighting the selection topics buyers compare on leading international blower brands: airflow at pressure, motor/control choice, outlet direction, compact installation and reliable production support.
DIRECTED OUTLET AIRFLOW
Scroll housings guide air toward a defined outlet, making integration easier in compact ducts, cabinets and machine housings.
BETTER PRESSURE CAPABILITY
Ideal when airflow must pass through filters, coils, heat sinks, acoustic paths or other resistance elements.
PROJECT-READY CUSTOMIZATION
Blauberg Motoren can support motor platform, wiring, control method, outlet orientation and mounting details according to equipment needs.
KEY ADVANTAGES OF CENTRIFUGAL BLOWERS FOR
HIGH-RESISTANCE SYSTEMS
Blauberg Motoren blowers are positioned around high-efficiency air volume transmission, intelligent speed regulation, flexible installation and stable operation in compact HVAC and ventilation equipment.
HIGH-EFFICIENCY AIR VOLUME
TRANSMISSION
The integrated volute design guides airflow more smoothly, improving stability and efficiency for medium and high static pressure applications.
INTELLIGENT SPEED
REGULATION
0-100% stepless speed regulation and RS485 functions support accurate air volume control and energy-efficient operation.
MULTIPLE CONTROL
LOGICS
Control strategies can support constant power, constant speed, constant torque, constant air volume and pressure or flow feedback requirements.
ULTRA-HIGH ENERGY
EFFICIENCY
EC motor technology with a forward centrifugal impeller and dedicated volute can improve overall efficiency versus traditional AC volute fan solutions.
LOW-NOISE
OPERATION
Integrated motor and impeller design reduces transmission noise, while aerodynamic optimization and dynamic balancing help suppress airflow and vibration noise.
PROTECTION AND
MONITORING
Overheat, overload, overcurrent, overvoltage, undervoltage and locked-rotor protection can support safer remote system operation.
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Blauberg DD-F133B-EC-N07 133mm DC Dual Inlet Centrifugal ...
DD-F133B-EC-N07 133mm DC Dual Inlet Centrifugal Blower
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Blauberg DD-F146B-EC-N07 146mm DC Dual Inlet Centrifugal ...
DD-F146B-EC-N07 146mm DC Dual Inlet Centrifugal Blower
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Blauberg DN-F120B-EC-00 120mm DC Dual Inlet Centrifugal B...
DN-F120B-EC-00 120mm DC Dual Inlet Centrifugal Blower
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Blauberg SN-F180A-EC-01 180mm DC Single Inlet Centrifugal...
Suzhou Blauberg Motoren Technology Co., Ltd. is a leading manufacturer and supplier of DC single inlet centrifugal blowers in China. The SN-F180A-EC-01 delivers compact, controllable airflow for
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Blauberg SE-F180A-EC-01 180mm DC Single Inlet Centrifugal...
Suzhou Blauberg Motoren Technology Co., Ltd. is a leading manufacturer and supplier of DC single inlet centrifugal blowers in China. The SE-F180A-EC-01 delivers compact, controllable airflow for
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Blauberg SD-F180A-EC-N07 180mm DC Single Inlet Centrifuga...
Suzhou Blauberg Motoren Technology Co., Ltd. is a leading manufacturer and supplier of DC single inlet centrifugal blowers in China. The SD-F180A-EC-N07 delivers compact, controllable airflow for
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Blauberg SD-F180A-EC-01 180mm DC Single Inlet Centrifugal...
Suzhou Blauberg Motoren Technology Co., Ltd. is a leading manufacturer and supplier of DC single inlet centrifugal blowers in China. The SD-F180A-EC-01 delivers compact, controllable airflow for
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Blauberg SN-F160C-EC-01 160mm DC Single Inlet Centrifugal...
Suzhou Blauberg Motoren Technology Co., Ltd. is a leading manufacturer and supplier of DC single inlet centrifugal blowers in China. The SN-F160C-EC-01 delivers compact, controllable airflow for
CENTRIFUGAL BLOWER CONFIGURATIONS
FOR OEM INTEGRATION
Three practical configurations address common application needs, making it easier to select the right model, confirm specifications and match performance curves.
Compact inlet and scroll outlet design delivers focused, controlled airflow while simplifying integration into ventilation systems, filtration units and space-constrained equipment modules.
A balanced intake design supports higher airflow requirements while promoting smooth and consistent air distribution in air handling units and ventilation assemblies.

CUSTOM BLOWER ASSEMBLY
Motor platform, outlet orientation, bracket, wiring harness and mounting options can be adapted to the final equipment envelope, supporting OEM requirements for compact installation, electrical integration and mechanical fit.
DATA BUYERS SHOULD DEFINE
BEFORE QUOTATION
For centrifugal blowers, the operating point matters more than free-air airflow. Blauberg Motoren selection should be based on required air volume at system resistance.
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| SELECTION ITEM | BUYER INPUT | ENGINEERING NOTE |
|---|---|---|
| Application | Ventilation system, AHU, filtration cabinet or compact HVAC module | Application type defines the resistance path, outlet direction and service access. |
| Airflow | Required m³/h or CFM at working point | Confirm with the pressure condition, not only free-air flow. |
| Static pressure | Pa / in.wg including filter, coil and duct losses | Critical for blower sizing and noise control. |
| Voltage | AC mains, EC platform or DC supply | Match the equipment power architecture and region. |
| Speed control | Fixed speed, 0-10V, PWM or communication control | EC options help optimize partial-load energy use. |
| Outlet direction | Outlet angle, clockwise/counter-clockwise rotation and flange | Reduces duct redesign and avoids installation interference. |
| Environment | Ambient temperature, humidity, protection and insulation needs | Supports stable Blauberg blower operation in real equipment. |
| Noise target | dBA target, distance and mounting condition | Impeller speed, scroll design and inlet clearance affect sound. |
SELECTION TIP
Define the working point first — required airflow and static pressure. Then verify motor, control, outlet and installation requirements. Use the model-specific performance curve and dimensions to confirm the final fit.
EC AND DC BLOWER RANGES CONDENSED
FOR FAST SELECTION
From dimensions and airflow performance to motor platform and inlet configuration, key selection data is organized to simplify model comparison and support precise blower selection for your application.
| SERIES | VOLTAGE | POWER | SPEED | SOUND | TYPICAL USE |
|---|---|---|---|---|---|
| EC single-inlet blower | 1~230V / 3~380V | 75-750W | 1350-2600 RPM | 65-80 dB(A) | Ventilation system, filtration modules, compact HVAC boxes |
| EC dual-inlet blower | 1~230V | 85-400W | 1400-2250 RPM | 63-77 dB(A) | AHU sections and higher airflow equipment layouts |
| DC single-inlet blower | 24V / 48V / 110V / 310V DC | 85-400W | 1480-2800 RPM | 65-77 dB(A) | DC-powered equipment and intelligent ventilation modules |
| DC dual-inlet blower | 24V / 110V / 310V DC | 75-350W | 1320-2150 RPM | 62-75 dB(A) | Compact air-conditioning boxes and OEM airflow assemblies |
CENTRIFUGAL BLOWERS FOR HVAC, VENTILATION &
EQUIPMENT APPLICATIONS
From ventilation and air handling to filtration, HVAC and OEM equipment, Blauberg centrifugal blowers deliver directed airflow and reliable pressure performance across demanding system configurations.

Fan Coil Units
Blauberg centrifugal blowers deliver focused airflow through compact fan coil units, supporting air circulation across heat exchange coils while handling system resistance within space-constrained equipment.

Air handling units
For AHU and HVAC box applications, the scroll outlet supports stable supply air, return air or exhaust airflow through coils, dampers and internal partitions.

Filtration & Air Purification
Pressure-capable blower assemblies are suitable for air purification cabinets, filter boxes and ventilation modules where pressure loss changes over time.

Fresh Air & Dehumidification
Compact Blauberg Motoren blower platforms are designed for fresh air dehumidification and ventilation equipment, delivering stable airflow in compact air treatment systems with limited installation depth.

Industrial equipment ventilation
Directed outlet airflow supports controlled heat circulation and process ventilation in thermal processing equipment, machinery housings and production systems.

OEM appliances and compact Equipment
Flexible scroll, outlet and bracket design helps appliance manufacturers achieve repeatable airflow in constrained product spaces.
WHEN SHOULD BUYERS CHOOSE
A CENTRIFUGAL BLOWER?
Through this comparison, procurement and engineering teams can identify the appropriate fan type for each application while clearly distinguishing between axial-flow fans, cross-flow fans, backward-curved centrifugal fans, and blowers.
EC AND DC BLOWER PLATFORMS FOR DIFFERENT
EQUIPMENT STRATEGIES
Blauberg Motoren can position blower solutions around control complexity, energy targets, cost requirements and regional voltage needs.
EC centrifugal blowers
Electronically commutated EC motors integrate motor electronics for high efficiency, optimal static pressure, and demand-based speed regulation in air handling units, cleanrooms, ducted ventilation, and precision cooling systems.
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Efficient variable-speed operation for part-load equipment cycles.
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Suitable for 0-10V, PWM or communication-based control when specified.
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Useful in smart HVAC, filtration, energy storage and cabinet cooling platforms.
DC centrifugal blowers
Brushless DC motors support low-voltage platforms where compact design, high static pressure, and stable airflow are important for telecom cabinets, server racks, medical devices, and localized spot cooling.
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Suitable for 24V, 48V, 110V and 310V DC equipment platforms.
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Good fit for compact ventilation, air-conditioning boxes and intelligent equipment where the customer power supply is DC-based.
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Can support OEM programs that need compact size, stable airflow and controlled electrical integration.
AIR ENTERS AXIALLY AND DISCHARGES
THROUGH THE SCROLL OUTLET
For a centrifugal blower, inlet clearance, outlet direction and duct transition design directly affect airflow, noise and service life. Compact integrated installation and multi-direction mounting with 360-degree rotation adjustment support flexible equipment layouts.
BLOWER AIRFLOW
Air enters from one side of the blower inlet, is accelerated by the impeller, and exits through the volute outlet into the ventilation duct or equipment channel.

BLOWER AIRFLOW
Air enters from both sides for larger air volume, then discharges through the scroll outlet for AHU sections and higher-airflow ventilation assemblies.

ENGINEERING SUPPORT AFTER THE
SELECTION DATA IS CONFIRMED
Performance matching
Airflow and pressure targets are matched with impeller, scroll and motor selection.
Mechanical integration
Outlet orientation, bracket, wiring route, 360-degree rotation adjustment and mounting envelope are coordinated with customer equipment.
Reliability validation
Sample testing, noise review and production consistency checks support Blauberg quality expectations.
SELECTION TIP
Define the required airflow, pressure, voltage and installation space first. With these parameters confirmed, Blauberg Motoren can help match the blower configuration and support mechanical integration, sample testing and production coordination through the next stages of the project.
Cross Flow Fan FAQs
for Buyers and OEMs
What is a centrifugal blower?
What is the difference between a centrifugal blower and a centrifugal fan?
When should I choose a single inlet or dual inlet blower?
Can Blauberg Motoren customize centrifugal blowers?
What data is needed for blower selection?
Are EC centrifugal blowers suitable for energy-saving systems?
Why are centrifugal blowers used in ventilation systems?
How do centrifugal blowers support air handling units?
Suzhou Blauberg Motoren Technology Co., Ltd. is one of the most professional centrifugal blowers manufacturers and suppliers in China, featured by quality products and good service. Please rest assured to buy bulk customized centrifugal blowers from our factory. Welcome to contact us for quotation.














