4-72 Type Centrifugal Fan
4-72 Type Centrifugal Fan - Image 2
4-72 Type Centrifugal Fan - Image 3
4-72 Type Centrifugal Fan - Image 4
4-72 Type Centrifugal Fan - Image 5
Category

4-72 Type Centrifugal Fan

4-72 series industrial centrifugal blower, heavy-duty structure, corrosion resistance and long service life. Suitable for dust removal, ventilation and air exchange in industrial, chemical, metallurgy and building ventilation systems.

Send Inquiry

Product Overview

The 4-72 Type Centrifugal Fan is a high-efficiency industrial centrifugal ventilation system designed for indoor ventilation, dust extraction, air circulation, and cooling applications. The fan features a heavy-duty direct-drive structure, high-pressure performance, stable operation, and low-noise design.

The series includes:

4-72A Direct Drive Centrifugal Fan

4-72C Belt Drive Centrifugal Fan

B4-72 Explosion-Proof Centrifugal Fan

Widely used in factories, warehouses, stadiums, hotels, shopping malls, basements, workshops, and large commercial buildings.

Product Features

  • High Efficiency & Low Noise  Forward-curved steel impeller combined with aerodynamic volute casing design provides large airflow, high pressure, and low operational noise.
  • Heavy-Duty Direct Drive Design  The A-type direct-drive structure eliminates coupling devices, reducing transmission loss and maintenance requirements.
  • Reduced Energy Consumption  Optimized bearing structure reduces bearing quantity from four to two units, improving operating efficiency and lowering failure rates.
  • Compact Installation Structure  Compared with traditional coupled centrifugal fans, the overall footprint is reduced by approximately 30%, lowering installation and foundation costs.
  • Durable Carbon Steel Construction  The housing is manufactured from galvanized steel or carbon steel with anti-corrosion surface coating for long service life.
  • Explosion-Proof Option Available  The B4-72 explosion-proof model is equipped with an explosion-proof motor for hazardous environments containing flammable gases.

Applications

  • Industrial factories
  • Mining enterprises
  • Warehouses
  • Stadiums
  • Opera houses
  • Hotels and restaurants
  • Shopping malls
  • Basements
  • Industrial dust collection systems
  • HVAC ventilation systems
  • Air circulation and gas transportation systems

Working Conditions

  • Conveyed medium: Air or non-corrosive, non-flammable gases
  • Gas temperature: ≤ 80°C
  • Dust and solid impurities: ≤ 150 mg/m³
  • Suitable for industrial ventilation and exhaust applications

Certifications

  • CE Certification
  • SASO Certification
  • CB Certification
  • GCC Certification
  • CCC Certification

Product Structure

4-72A Direct Drive Type

  • Motor directly connected to impeller
  • No coupling structure
  • Higher transmission efficiency
  • Lower maintenance cost
  • Stable and reliable operation

4-72C Belt Drive Type

  • Belt-driven transmission system
  • Adjustable rotational speed
  • Suitable for various airflow and pressure requirements
  • Ideal for remote transmission applications

B4-72 Explosion-Proof Type

  • Equipped with explosion-proof motor
  • Suitable for flammable and explosive gas environments

Main Technical Parameters (4-72A Direct Drive)

Model Power (kW) Speed (r/min) Air Volume (m³/h) Total Pressure (Pa)
6A 4–30 1450–2950 5756–27167 846–3019
6.3A 37 2950 15725–31449 3317–5236
6.5A 45 2950 17271–34541 3531–5573
7A 11–75 1450–2950 10602–43140 1553–4095
8A 18.5–22 1450–1470 15826–27320 2032–2170
9A 30–37 1450–1470 22533–45560 2050–2572
10A 18.5–55 960–1480 26775–56605 1395–2532
11A 30–90 960–1480 35637–75341 1698–3064
12A 18.5–132 730–1450 35182–67813 1160–3646
13A 30–200 730–1450 44730–124361 1372–4279
14A 37–75 730–960 55867–102835 1591–2175
15A 45–110 720–960 68714–126482 1826–2497
16A 75 730 83393–116726 1643–2078

4-72C Belt Drive Parameters

tem Specification
Fan Size 6C – 20C
Power Range 0.75 – 220 kW
Speed Range 800 – 2900 r/min
Air Volume 900 – 20490 m³/h
Total Pressure 25 – 3646 Pa

Air Outlet Direction

The fan supports both clockwise and counterclockwise rotation with multiple outlet angle configurations.

  • Available outlet angles:0°45°90°135°180°225°270°
  • Rotation Direction   Left Rotation: Impeller rotates counterclockwise when viewed from motor side
  • Rotation Direction  Right Rotation: Impeller rotates clockwise when viewed from motor side

Product Advantages

  • High Pressure & Large Airflow  Forward-curved impeller design provides stable high-pressure ventilation performance.
  • Stable Operation  Heavy-duty motor direct-drive structure reduces mechanical transmission faults.
  • Energy Saving Design  Reduced bearing quantity and coupling-free transmission improve energy efficiency.
  • Flexible Configuration  Multiple drive methods, outlet angles, and explosion-proof options available for different industrial applications.
  • Durable & Corrosion Resistant  Thickened carbon steel casing with anti-corrosion coating ensures long service life.

OEM & ODM Services

  • OEM manufacturing
  • ODM customization
  • Customized motor configuration
  • Customized outlet angle
  • Customized material selection
  • Explosion-proof customization
  • Private label packaging support

Related products