Product Introduction
The DC Backward Curved Airflow Centrifugal Fan is an advanced high pressure fan that utilizes backward curved blades for exceptional airflow efficiency and stable performance in diverse systems. As a specialized backward curved centrifugal fan, it runs on DC power to deliver smooth radial expulsion, making it a top-tier ventilation fan for applications requiring consistent pressure without overload risks. This airflow centrifugal fan shines in HVAC fan integrations, industrial blower setups, or clean air fan environments, operating as a low noise fan to ensure minimal disruption while handling high volumes. Its self-regulating design promotes energy savings and durability, appealing to system designers who need a reliable centrifugal fan for balanced, high-static operations in constrained or variable-load scenarios.
DC backward curved airflow centrifugal fan technical parameters:
|
Model No. |
Rated |
Operation Voltage |
Rated |
Rated |
Rated |
Air Flow |
Air |
Noise |
|
VDC |
VDC |
A |
W |
RPM |
m3/h |
Pa |
dBA |
|
|
EN-B280-H078-D024-B01 |
24 |
18~32 |
5.60 |
135 |
2050 |
2200 |
495 |
72 |
|
EN-B280-H078-D048-B01 |
48 |
36~57 |
2.80 |
135 |
2050 |
2200 |
495 |
72 |
Outline Drawing：
Performance Curve
Connection
|
DC Wire |
|
|
Color |
Function |
|
Red |
024/ 048/ 310VDC |
|
Blue |
GND |
|
Yellow |
0~10VDC/PWM |
|
White |
FG |
This outline drawing conveys the detailed engineering of the DC Backward Curved Airflow Centrifugal Fan, including blade pitch and housing contours for effective system planning. As an efficient backward curved centrifugal fan, its compact radial structure supports dimensions ideal for modular builds, often with a 180mm impeller for enhanced pressure capabilities. The visual accentuates the curved blade orientation and inlet designs, optimized for high pressure fan functionality with reduced energy demands. DC connection layouts are illustrated for simple incorporation into low noise fan arrays. Leverage these specifications for precise configurations, especially when presenting this ventilation fan as an airflow centrifugal fan in setups where aerodynamic precision and adaptable installation are crucial.
A meticulous close-up of the DC Backward Curved Airflow Centrifugal Fan showcases its signature backward blades, angled to optimize air deflection and minimize power spikes during acceleration. This backward curved centrifugal fan's detail highlights the robust hub and smooth contours, engineered for superior radial flow while embodying low noise fan qualities through vibration mitigation. Featured are the integrated DC electronics and reinforced edges, which sustain high pressure fan endurance, making it a standout ventilation fan for steady operations. The image also illustrates the outlet streamlining, tailored for even distribution, establishing it as a versatile airflow centrifugal fan in cooling or exhaust contexts where quiet, overload-resistant performance safeguards system integrity.
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FAQ
Question: What are Inlet Guide Vanes (IGV)?
Answer: IGVs are adjustable blades at the fan inlet that change the angle of entering air to regulate flow, offering better efficiency than outlet dampers.
Question: Belt drive vs. direct drive?
Answer: Belt drives allow for easy speed adjustments and size flexibility; direct drives offer higher efficiency and lower maintenance but have fixed speeds (unless a VFD is used).
Question: What is a pillow block bearing?
Answer: A pillow block is a pedestal mount with a split housing, allowing for easier replacement of the internal bearing insert without removing the shaft.