LONGWELL 225mm EC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, Aluminum Alloy, for Cold Storage, Air Purifiers, HVAC Systems

$ 100

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Need the exact model with a measured or digitised curve? This page describes the Backward Curved Centrifugal Fans range. The Fan Selector lists every LONGWELL backward-curved centrifugal fan model with airflow, static pressure, power, noise, drawing and datasheet.
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Library: Ø25–1,000 mm, single units up to about 52,000 m³/h — larger duties go straight to an engineer. Prefer to talk it through? Send your specs to an engineer

Description

Types :

190mm EC Motorized 0~10V and PWM speed control High pressure EC DC backward centrifugal fan
Voltage Ranges :

Custom
Frequency :

50/60 Hz
Diamter :

Custom
Motor Types :

BLEC External Rotor Motor ( EC )
Speed Control :

0-10V Signal / PWM / RS485(Optional)
Max.ambient Temp:

-25℃~ +60℃
Certificating :

All necessary certifications suitable for USA & Europe , ETL,UL ,CE ,RoHS, ISO19001,ISO 14001,BSCI
Protection Level:

IP44 ,IP54,IP55
Electronic Protection:

Current limiting protection ,Over-temperature protection,Over-current protection,Locked-rotor protection,Soft start
Working & Storage

Operating temperature:-25~60℃;Operating humidity:0 ~ 85 % RH

Storing temperature:-25 ~ 70℃;Storing humidity:0 ~ 95 % RH

Applicable altitude range:<1000m
Balancing

According to JB/T 9101-1999 requirements G6.3
Product Standards :

LVD EN60950-1 EMC EN61000-6-3,EN61000-4-2, EN61000-4-3
Mainly Applications

AUH/ AIR PURIFIER / Server Cooling & Ventilation / Grow Tent /Ventilation SYSTEM/ Equipments Cooling /Refrigerator ,etc;ventilation fan cooling;ventilation exhaust fans

FAQ

Q1: What is an EC centrifugal fan?

A1: An EC centrifugal fan is a type of fan that uses an electronically commutated motor. It is known for its high efficiency,

energy savings, and controllability.

Q2: What are the advantages of EC centrifugal fans?

A2: Advantages include high efficiency, energy savings, low noise, adjustable speed, and long service life.

Q3: What applications are EC centrifugal fans suitable for?

A3: They are suitable for a wide range of applications such as ventilation systems in buildings, industrial processes, air conditioning systems, and more.

Q4: How does the speed of an EC centrifugal fan be controlled?

A4: The speed can be controlled by using a variable frequency drive or a controller that adjusts the input voltage or current.

Q5: Are EC centrifugal fans more expensive than traditional fans?

A5: Initially, they may have a higher upfront cost. However, due to their energy savings and long lifespan, they can be more cost-effective in the long run.

Q6: What is the noise level of an EC centrifugal fan?

A6: Generally, EC centrifugal fans produce lower noise levels compared to traditional fans due to their advanced motor technology.

Q7: How long is the lifespan of an EC centrifugal fan?

A7: With proper maintenance, they can have a longer lifespan than traditional fans, often lasting several years.

Q8: Can EC centrifugal fans be used in harsh environments?

A8: Some models are designed to be used in harsh environments and are resistant to dust, moisture, and temperature variations.

Q9: What is the warranty period for EC centrifugal fans?

A9: The warranty period can vary depending on the manufacturer and model. LONGWELL fans carry a 12-month warranty as standard; extended terms can be agreed per project.

Q10: How can I choose the right EC centrifugal fan for my application?

A10: Consider factors such as airflow requirements, pressure, noise level, energy efficiency, and the specific environment in which the fan will be used.

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