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YUTEC 250mm 72motor centrifugal fan for purifier
- Fan model: YUTEC-B250EC72-115M-P12; YUTEC-B250EC72-230M-P12
- Rated Voltage: 115VAC;230VAC
- Rated Current: 1.5A;0.75A
- Rated Power: 90W
- Rated Speed: 2500RPM
- Air Flow: 1200M3/H
- Air Pressure: 485Pa
- Noise Level:63dBA
- Frequency: 50/60Hz
- Weight: 1.4KG
- Brand: YUTEC
Description
Dimensional drawing:
Performance Curve:
Connection Diagram:
Description：
Restaurant exhaust systems require fans that handle grease and heat. EC backward curved centrifugal fans feature backward curved blades with non-stick coatings to resist grease buildup, reducing fire risks. The EC motor’s variable speed matches cooktop heat output, cutting energy use by 35% vs. constant-speed fans. Their low noise (65 dBA) enables outdoor installations without violating local ordinances, while UL 762 certification ensures grease-duct compatibility.
Specifications：
Brand Name | YUTEC |
Impeller Material | PA66+GF25 |
Motor Type | BLDC External Rotor Motor |
Type of Protection | IP44 |
Insulation Class | Class B |
Speed Control | 0-10VDC/PWM |
Bearing | Ball Bearing |
Signal Output | FG |
Life Expectance | 50,000 Hours |
Electrical Protection | Locked Rotor Protection |
Reverse Polarity Protection | |
Over Voltage Protection | |
Soft Start |
Competitive Advantage:
1. Superior Energy Efficiency
EC backward curved centrifugal fans achieve 90–95% motor efficiency due to brushless EC technology, reducing energy consumption by 30–50% compared to AC fans. Their backward curved impeller design minimizes aerodynamic losses, optimizing airflow under static pressure conditions. This makes them ideal for energy-intensive applications like data centers or industrial ventilation systems.
2. Precise Airflow Control
EC motors enable stepless speed regulation (0–100%) via PWM or analog signals, allowing real-time adjustments to match demand. In variable air volume (VAV) systems, this prevents over-ventilation, cutting energy costs by 20–40% in commercial buildings or laboratories.
3. Low Noise Emission
The smooth airflow path of backward curved impellers reduces turbulence, yielding 60–75 dBA operation—10–15 dBA quieter than forward-curved designs. This makes them suitable for noise-sensitive environments like hospitals, libraries, or residential HVAC systems.