Product Introduction
The DC Centrifugal Fans for FFU are specialized energy saving EC fans optimized for Fan Filter Units, delivering ultra-clean air in controlled environments like cleanrooms and labs by combining high-efficiency filtration with reliable radial airflow. As advanced DC centrifugal fans, they feature brushless motors for precise speed control and low power consumption-often 50-70% less than AC models-making them ideal low noise fans for sensitive ventilation fan setups in pharmaceutical or semiconductor facilities. This centrifugal fan series supports uniform pressure distribution to maintain ISO-class cleanliness, functioning as a durable cooling fan that enhances FFU performance while reducing operational costs. With compact designs and easy integration, these fans are a top choice for cleanroom engineers seeking a ventilation fan that prioritizes quiet operation, energy efficiency, and long-term reliability in high-stakes air purification systems.

DC centrifugal fans for FFU technical parameters:
|
Model No. |
Rated |
Operation Voltage |
Rated |
Rated |
Rated |
Air Flow |
Air |
Noise |
|
VDC |
VDC |
A |
W |
RPM |
m3/h |
Pa |
dBA |
|
|
EN-B400-H112-D048-C01 |
48 |
36~57 |
2.15 |
208 |
1320 |
3400 |
400 |
63 |
Outline Drawing:

Performance Curve

Connection
|
DC Wire |
|
|
Color |
Function |
|
Red |
024/ 048/ 310VDC |
|
Blue |
GND |
|
Yellow |
0~10VDC/PWM |
|
White |
FG |
This outline drawing shows the structural overview of the DC Centrifugal Fans for FFU, including impeller details and mounting flanges for seamless FFU assembly. As efficient DC centrifugal fans, their radial configuration is sized for standard FFU modules-typically 310mm in diameter-to ensure balanced airflow and minimal resistance in cleanroom setups. The diagram emphasizes the inlet and outlet alignments, optimized for energy saving EC fan operations with integrated filters for particle control. DC connections are illustrated for variable control in low noise fan environments, supporting compliance with cleanroom standards. Use these blueprints for installation guidance, especially when positioning this ventilation fan as a cooling fan in FFU systems where compact sizing and precise integration are vital for maintaining sterility and efficiency.
A close-up view of the DC Centrifugal Fans for FFU highlights the precision-engineered radial impeller and motor housing, designed for smooth air intake and expulsion while minimizing turbulence in filtered environments. This DC centrifugal fans' detail features the brushless components and aerodynamic blades, which support energy saving EC fan capabilities for up to 55% efficiency gains. Observe the sealed enclosures and vibration absorbers, which ensure low noise fan operation under 50dB, ideal for noise-sensitive cleanrooms. The image also captures the filter-compatible mounts, tailored for uniform pressure, making it a superior ventilation fan in cooling fan roles for FFU units where quiet, contaminant-free airflow preserves critical processes.

Our factory


















FAQ
Question: What is L10 bearing life?
Answer: L10 life is the number of operating hours at which 90% of a group of identical bearings will still be functioning; industrial fans often require L10 > 40,000 hours.
Question: How to fix "soft foot" on a motor?
Answer: Soft foot occurs when motor feet don't sit flat. Use a feeler gauge to find gaps and fill them with shims before tightening bolts to prevent casing distortion.
Question: Why use thermal imaging on fans?
Answer: Thermal imaging allows for non-contact detection of overheating motors, hot bearings, or loose electrical connections during operation.



