Home / Products / Centrifugal Fans / Backward Centrifugal Fan With Support Bracket / 48V DC 72W 190mm Support Bracket High Rational Speed Backward Centrifugal Fan for Dust Emission in Workshops

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48V DC 72W 190mm Support Bracket High Rational Speed Backward Centrifugal Fan for Dust Emission in Workshops

1. 190mm
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:
  • FK3G190-48PY-71

  • Fanova

Nominal Voltage

VDC

48

Nominal voltage range

VDC

36~57

Current draw

A

1.5±10%

Speed(RPM)

min-1

3300±5%

Power consumption

W

72±10%

Sound Pressure Level

dB(A

70±5%

Max. Air Flow

CFM / m3/H

391.35/665

Max. Static Pressure

In.wg /Pa

1.92/480

Insulation class

~

 Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview

The FK3G190-48PY-71 is a high-pressure DC centrifugal fan with an integrated support bracket, engineered for demanding ventilation in confined spaces. Powered by a 48VDC BLDC72 motor (36–57VDC range), it delivers 665 m³/h airflow and exceptional 480 Pa static pressure – ideal for overcoming resistance in ducted systems or filtered enclosures. Its compact 190mm design, IP44 rating, and robust mounting solution make it perfect for industrial machinery, medical devices, and HVAC subsystems.


Core Features

  1. High Static Pressure Performance
    Generates 480 Pa pressure – critical for pushing air through dense filters or narrow ducts – while maintaining 665 m³/h airflow. The wide voltage tolerance (36–57VDC) ensures stable operation in variable power conditions.

  2. Bracket-Integrated Durability
    Features a reinforced support bracket for secure mounting in high-vibration environments. The glass-fiber-reinforced impeller and ball bearings sustain 3,300 RPM continuous operation (S1 duty).

  3. Precision Control & Protection
    Supports 0–10VDC/PWM speed modulation and includes FG tachometer output (2 pulses/revolution). Integrated safeguards (soft-start, reverse polarity, and thermal overload) prevent damage during anomalies.


Applications

  • Industrial Enclosures: Cooling for laser cutters, 3D printers, and CNC control cabinets.

  • Medical Equipment: Ventilation in imaging devices (MRI/CT) and sterilization units.

  • Filtered Systems: Air handling in cleanrooms, fume hoods, or paint booths.

  • Compact HVAC: Auxiliary pressure boost in ducted residential/commercial systems.


FAQ

Q: Why choose this over axial fans for restricted spaces?
A: Centrifugal fans excel in high-pressure scenarios (e.g., filtered/ducted paths), while axial suits open-space airflow.

Q: Is the bracket adjustable?
A: The bracket provides fixed mounting points. Custom orientations require mechanical adaptation.

Q: How noisy is it at full load?
A: Operates at 70 dB(A) – suitable for industrial settings but may need dampening in quiet environments.

Q: Can it run 24/7?
A: Yes, rated for S1 continuous duty with a 50,000-hour lifespan (L10 at 40°C).


DCW190-48PY-71

DW190-48PY-71

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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+86-512-66152110
+86-17715518438
Sales01@fanova-tech.com
+8617715518438
+8617715518438
No.739, Fuyuan Road, Xiangcheng District, Suzhou, Jiangsu, P.R. China 215133
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