Product Introduction
The ECNITY EC small centrifugal fan backward curved is with integrated EC motor, Integrated EC motor technology enables intelligent speed control and real-time adjustment of airflow according to system requirements. The fan operates with high electrical efficiency, low heat generation, and extended service life. Compact construction, combined with a robust housing design, allows easy integration into both new installations and retrofit projects. Overall, the EC backward curved centrifugal fan represents a modern, reliable, and energy-efficient solution for demanding ventilation applications.
EC Small Centrifugal Fan Backward Curved Technical Parameters:
|
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-B190-H042-E115-A01 |
115 |
90~135 |
50/60 |
1.30 |
85 |
3200 |
645 |
540 |
64 |
|
EN-B190-H042-E230-A01 |
230 |
184~274 |
50/60 |
0.65 |
85 |
3200 |
645 |
540 |
64 |
Outline Drawing
Performance Curve
Connection
|
DC Wire |
AC Wire |
||
|
Color |
Function |
Color |
Function |
|
Red |
+10VDC |
Brown |
L |
|
Blue |
GND |
Blue |
N |
|
Yellow |
0~10VDC/PWM |
Green/Yellow |
PE |
|
White |
FG |
||
Customization is a major advantage of ECNITY EC small centrifugal fan backward curved. Fan size, airflow range, pressure capability, housing material, and impeller configuration can be tailored to meet specific project requirements. Housing options such as galvanized steel, stainless steel, or aluminum allow operation in corrosive, hygienic, or high-temperature environments.
Additional options including low-noise designs, vibration isolation, inlet cones, and protective coatings further enhance system performance and durability. With flexible motor configurations and intelligent control interfaces, EC backward curved centrifugal fans can be seamlessly integrated into a wide range of ventilation systems, providing reliable, efficient, and application-specific solutions.
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FAQ
Q: 1. What is static pressure in a centrifugal fan?
A: Static pressure refers to the resistance the fan must overcome to move air through a system. Higher static pressure is required in ducted or restricted airflow systems. Centrifugal fans are designed to handle higher static pressure than axial fans. This makes them suitable for complex ventilation layouts.
Q: 2. Can EC fans replace traditional industrial fans?
A: Yes, EC fans can often replace traditional AC industrial fans. They offer improved efficiency and control flexibility. In retrofit projects, system compatibility should be evaluated. EC fans are commonly used to upgrade energy performance.
Q: 3. Are EC fans suitable for continuous operation?
A: EC fans are designed for continuous and long-term operation. The motor operates efficiently with reduced heat generation. Integrated protection functions help ensure reliable performance. They are suitable for 24/7 ventilation systems.
Q: 4. What is the typical airflow range of a centrifugal fan?
A: The airflow range depends on fan size and design. Centrifugal fans are available for low to high airflow requirements. Actual airflow varies with system resistance. Performance curves should be referenced for accurate selection.
Q: 5. What makes EC fans suitable for HVAC systems?
A: EC fans provide precise airflow control and high energy efficiency. They integrate easily with building management systems. Variable speed operation allows demand-based ventilation. These features make them suitable for modern HVAC applications.