Centrifugal Fan – Direct Driven

Direct Driven Centrifugal Fans are compact and efficient, with the motor directly connected to the impeller. They provide reliable airflow, low maintenance, and are ideal for various industrial ventilation systems.

Product Code MACF
Sizes Varies on Selection
Material of Construction Available in Mild Steel and Stainless Steel
CMH (Air Flow Capacity) From 1,000 – 200,000 CMH
Pressure Up to 1200 mm WC
HP (Motor Power) From 0.5 – 100 HP

Usage of Direct Drive Centrifugal Fans

1. Clean Air Ventilation

Direct drive fans are commonly used where the air is clean and not dusty.

Examples:

  • Office ventilation
  • HVAC air handling units
  • Fresh air supply systems

Because there are no belts, the system stays cleaner and requires less maintenance.

2. Small & Medium Airflow Systems

Direct drive is usually preferred for small to medium-sized fans.

Typical applications:

  • Air handling units (AHU)
  • Fan coil units
  • Package AC units

3. Compact Machines

Direct drive fans are used when space is limited because:

  • No belt system
  • Smaller footprint
  • Compact design

Example: fans inside HVAC units and air conditioners.

4. Low Maintenance Applications

Since there are no belts or pulleys, maintenance is very low.

No need for:

  • Belt replacement
  • Belt tension adjustment
  • Pulley alignment

This is why they are used in buildings, hospitals, and commercial spaces.

This improves overall fan efficiency.

5. High Efficiency Systems

Direct drive fans are more energy efficient because:

  • No belt losses (belt slip or friction)
  • Motor power goes directly to the impeller