Dec 12, 2023

LONGWELL EC Backward Centrifugal Fan Product Details

LONGWELL EC backward centrifugal fan product details:

Nominal diameter range: 133, 175, 190, 220, 225, 250, 280, 310, 355, 400, 450, 500, 560, 630 mm

Voltage: Wide voltage range including 1~230V-277V or 3~380V-400V, and 115V 50/60Hz

Fan control system: 0–10V / PWM and MODBUS-RTU (RS485)

Materials:

#1. Plastic impeller made of PA6.6 (polyamide, fiber glass reinforced)

#2. Galvanized metal sheet;

#3. Aluminum

#4. Galvanized metal (bracket)

Installation position/condensate drainage: Any installation position, no condensate drainage.

Airflow range: From 260 m³/h to 25,000 m³/h

Input power range: From 30W to 5700W

Air pressure range: Up to 1900 Pa

Operating temperature: -25℃ to +60℃

Motor size: The motor size of ECM fans depends on the airflow requirements and space constraints. On average, smaller EC fans have a motor size range of about 53mm to 102mm in diameter. They are used for smaller ventilation applications and HVAC systems. Larger ECM fans with a diameter of about 138mm to 218mm are used for larger commercial and industrial environments.

Speed: ECM fans have variable speed control capabilities to regulate the fan speed according to cooling needs. The average speed range for smaller residential and commercial ECM fans is about 1000 RPM to 2600 RPM. Additionally, the average speed range for larger commercial and industrial ECM fans is 500 RPM to 2800 RPM. The speed range and the ability of the fan to smoothly transition between different speeds should be considered. Buyers should select fans with a wide speed range and precise speed control to meet the needs of specific applications.