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48V 400mm Centrifugal Fan for Water Pumps​

1. 400mm
2. IP44 protection level
3. Aluminum alloy motor with Propylene with glass-fiber reinforced impeller, fashion design.
4. Using Ball bearing, working life more than 50,000 hours
Availability:
Quantity:
  • FK3G400-48AP-20

  • Fanova

Nominal Voltage

VDC

48

Nominal voltage range

VDC

36~57

Current draw

A

5.8±10%

Speed(RPM)

min-1

1460±5%

Power consumption

W

275±10%

Sound Pressure Level

dB(A

75.8±5%

Max. Air Flow

CFM / m3/H

2558.21/4347

Max. Static Pressure

In.wg /Pa

2.436/609

Insulation class

~

 Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )


Product Overview


The 48V 400mm Centrifugal Fan for Water Pumps represents a specialized cooling solution engineered specifically for water pump systems. Combining compact design with high-performance airflow, this centrifugal fan delivers reliable thermal management for various pump applications. Operating on a safe 48V low-voltage power supply, it eliminates the risks associated with higher voltage systems while maintaining optimal performance. The 400mm impeller diameter ensures sufficient air movement to prevent overheating in continuous operation scenarios, making it an essential component for maintaining water pump efficiency and extending service life.


Product Features


Energy Efficiency & Performance

Equipped with a high-efficiency motor, this centrifugal fan achieves an impressive static pressure range of 500-5,330 Pa, ensuring effective heat dissipation even in confined pump enclosures. The optimized impeller design minimizes air resistance, resulting in airflow rates up to 15,000 m³/h while maintaining energy consumption at economical levels.


Durability & Corrosion Resistance

Constructed with corrosion-resistant materials including stainless steel components and anti-rust coatings, the fan is specifically designed to withstand the humid environments typical of water pump installations. The robust housing protects internal components from moisture and particulate matter, ensuring reliable operation in challenging conditions.


Safety & Reliability

Featuring thermal overload protection and insulated wiring, the 48V 400mm Centrifugal Fan meets international safety standards for electrical equipment. The low-voltage operation reduces electrical hazards, making it suitable for both indoor and outdoor installations. The fan's sealed motor design prevents water ingress, achieving an IP54 protection rating for enhanced durability.


Applications


Industrial Water Pump Systems

Ideal for cooling large industrial water pumps used in manufacturing facilities, this fan maintains optimal operating temperatures during continuous duty cycles. Its high airflow capacity effectively dissipates heat generated by heavy-duty pump motors.


Agricultural Irrigation Systems

In agricultural settings, the fan provides essential cooling for irrigation pump stations, ensuring reliable water delivery for crops even in high-temperature environments. Its corrosion-resistant properties make it suitable for farm conditions.


Water Treatment Facilities

Within water treatment plants, the fan contributes to the cooling of circulation pumps and filtration system motors. Its ability to operate in humid environments ensures consistent performance in these critical applications.


FAQ


What is the noise level of this centrifugal fan?

The 48V 400mm Centrifugal Fan operates at a noise level of 65-75 dB(A), well within the industrial noise standards specified by ISO 3744 and GB/T 2888, which recommend noise levels below 85 dB(A) for industrial environments.

What is the expected service life of the fan?

Under normal operating conditions and with proper maintenance, the fan motor is designed to provide a service life of approximately 20,000 hours of operation. Regular cleaning of the impeller and housing extends this lifespan further.

Can this fan be used with different pump sizes?

While specifically optimized for medium to large water pumps, the fan's versatile mounting options allow for adaptation to various pump models. The 400mm size provides sufficient airflow for most industrial pump configurations.

Is professional installation required?

While the fan comes with mounting hardware and installation instructions, professional electrical installation is recommended to ensure proper wiring and alignment with the pump system. This ensures optimal performance and safety compliance.


DCW400-48AP-20

DW400-48AP-20

Life Expectance

50,000 Hours(L10),At 40℃ room, humidity 15%~65%RH

Technical features

Motor current limitation

Soft starting Protection

Under/Over voltage detection

Thermal overload protection for electronics/motor

Line undervoltage detection

Locked-rotor Protection

Reverse Polarity Protection


Operating Temperature

Fan

-25℃ (Min. )~60℃ (Max. )

Heat sink of IC

115℃ (Max. )

Other electronic parts

85℃ (Max. )

Ball bearing

80℃ (Max. )

Lead Wire

120℃ (Max. )

Storage Temperature

-40℃ to 75℃

Operating Humidity

5% to 90% RH

Storage Humidity

5% to 95% RH


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 +86-512-66152110
 +86-18168737096
 +8617715518438
 +8617715518438
 No.739, Fuyuan Road, Xiangcheng District, Suzhou, Jiangsu, P.R. China 215133

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Fanova (Suzhou) Motor Technology Co., Ltd. is a leader in the industry, provides customers with diverse fan solutions with its professional, innovative, and environmentally friendly philosophy.

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+86-512-66152110
+86-17768077282
Sales01@fanova-tech.com
+8617768077282
+8617768077282
No.739, Fuyuan Road, Xiangcheng District, Suzhou, Jiangsu, P.R. China 215133
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