Stable Low-Noise Ventilation for Air Distribution Applications
SZR forward curved centrifugal fans are designed for ventilation systems requiring high airflow volume at relatively low operating speeds. The multi-blade impeller structure generates smooth airflow distribution and supports quiet operation in commercial and industrial equipment.
Product Design
The blower housing is manufactured using high-strength metal material with protective finishing treatment. Multiple forward-curved blades are precisely balanced to improve airflow uniformity and reduce vibration during operation.
The forward curved structure enables efficient air movement at lower rotational speeds, making it suitable for ventilation systems where reduced acoustic noise is important.
Technical Specifications
|
Parameter |
Specification |
|
Fan Diameter |
100-250 mm |
|
Rated Voltage |
12V / 24V / 48V DC |
|
Operating Speed |
1000-2600 RPM |
|
Air Volume |
120-480 CFM |
|
Pressure Output |
1.5-5.5 inch-H2O |
|
Noise Level |
30-58 dB(A) |
|
Bearing Type |
Sleeve / Ball Bearing |
|
Motor Configuration |
Brushless DC Motor |
|
Safety Protection |
Thermal Protection |
|
Operating Temperature |
-10°C to +70°C |
|
Material |
Metal Housing + PBT Impeller |
|
IP Rating |
IP44-IP65 Optional |
|
Certifications |
CE, RoHS, ISO9001 |
Operating Features
• Large airflow delivery at lower rotational speed
• Reduced acoustic noise during operation
• Smooth airflow distribution performance
• Compact blower configuration
• Suitable for commercial ventilation systems
• Optional speed adjustment and connector customization
Application Scenarios
• Air conditioning systems
• Air curtain equipment
• Ventilation units
• Commercial refrigeration equipment
• Indoor air circulation devices
• Electrical control systems
• Environmental monitoring equipment
Customer Questions
Q: Why choose forward curved impellers?
A: They provide large airflow output with lower operating noise.
Q: Which bearing type is suitable for long service life?
A: Ball bearing configurations are preferred for continuous operation.
Q: Can customized voltages be produced?
A: Yes. SZR supports multiple voltage configurations according to project requirements.
Q: Is moisture protection available?
A: Optional IP-rated protection is available for humid environments.
OEM Manufacturing Service
SZR supports customized blower development, airflow optimization and project-oriented manufacturing services for ventilation equipment applications.
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