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48V DC 144W 190mm High Rational Speed Backward Centrifugal Bracket Fan for High-speed Hot Air Circulation Drying

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-90

  • Fanova

Nominal Voltage

VDC

48

Nominal voltage range

VDC

36~57

Current draw

A

3.0±10%

Speed(RPM)

min-1

4000±5%

Power consumption

W

144±10%

Sound Pressure Level

dB(A

72±5%

Max. Air Flow

CFM / m3/H

459.03/780

Max. Static Pressure

In.wg /Pa

3.192/798

Insulation class

~

 Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview

The FK3G190-48PY-90 is a compact high-pressure centrifugal fan engineered for space-constrained industrial applications requiring forceful airflow against significant resistance. Featuring a 190mm glass-fiber-reinforced impeller and integrated mounting bracket, it delivers exceptional static pressure (798 Pa) at 48VDC while maintaining precise control and durability. Ideal for systems where footprint and pressure performance are critical.


Key Features

  1. High-Pressure Performance in Compact Form
    Generates 798 Pa static pressure—exceptional for its size—enabling airflow through dense filters or narrow ducts. Operates at 4,000 RPM for maximum force in confined spaces.

  2. Integrated Bracket for Flexible Installation
    Pre-installed mounting bracket allows tool-free attachment to walls, machinery, or enclosures—reducing installation complexity by 60% compared to standard models.

  3. Lightweight & Corrosion-Resistant
    Glass-fiber-reinforced plastic impeller withstands humid/chemical environments while minimizing weight. Ball bearings ensure 50,000-hour lifespan under continuous duty.


Applications

  • Precision Cooling: Laser cutters, 3D printers, medical imaging equipment.

  • Industrial Control Cabinets: High-resistance ventilation for PLCs and drives.

  • Aerospace Testing: Wind tunnel components, sensor cooling.

  • Portable Industrial Equipment: Mobile compressors, compact generators.


FAQ

Q: Why choose 7 blades for such high RPM (4,000 min⁻¹)?
A: Blade count optimizes pressure efficiency while minimizing turbulence-induced noise at extreme speeds.

Q: Can it operate below 36VDC?
A: No—undervoltage protection activates below 36VDC. Use regulated 48V power supplies.

Q: How to reduce 72 dB(A) noise?
A: Install rubber isolators and reduce speed via PWM (noise drops ~3 dB per 10% speed reduction).

Q: Is the bracket compatible with VESA mounts?
A: Yes—standard 75/100mm spacing (confirm with dimensional drawing).


DCW190-48PY-90

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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