Working Principle of a Centrifugal Blower – A Complete Guide by Mesotech Engineering Systems

Trusted Centrifugal Blower Suppliers and Manufactuers in India 2025

Introduction

Centrifugal blowers are an essential part of various industrial applications, providing high-pressure airflow for ventilation, cooling, and pneumatic conveying. In India, industries such as manufacturing, HVAC, power plants, and material handling rely oncentrifugal blower to enhance efficiency and ensure smooth operations. Mesotech Engineering Systems, a leading provider of industrial air solutions, specializes in high-performance centrifugal blowers designed to meet the diverse needs of businesses across the country.

This article explains the working principle of a centrifugal blower, its components, advantages, and applications in detail.

Single Inlet Single Outlet (SISO) Centrifugal Blower: The Single Inlet Single Outlet (SISO) centrifugal blower has a basic design where air comes in and goes out through one point. To make these blowers more energy-efficient, manufacturers now use advanced motors that save electricity and meet high-efficiency standards (IE3 and IE4). They also include Variable Speed Drives (VFDs) that allow better control over airflow and pressure, making the system run more smoothly and efficiently. SISO blowers are often used in heating, ventilation, and air conditioning (HVAC) systems in factories and commercial buildings.
Single Inlet Double Outlet (SIDO) Centrifugal Blower: The Single Inlet Double Outlet (SIDO) blower has one inlet and two outlets, which helps distribute air in different directions. New designs are more compact, saving space by combining the motor and housing into a single unit. With the addition of digital sensors and advanced control systems, airflow can be managed more accurately. These blowers are typically used in large HVAC systems and environmental control setups where precise air distribution is required.
Double Inlet Double Outlet (DIDO) Centrifugal Blower: The Double Inlet Double Outlet (DIDO) blower is designed for high-capacity applications, with two inlets and two outlets that provide better airflow distribution and handling of large air volumes. It includes advanced balancing technology that reduces wear and tear on components, ensuring longer life and reliable performance. DIDO blowers are mainly used in large industrial drying machines, HVAC systems, and material handling processes.
High-Pressure Centrifugal Blower: The high-pressure centrifugal blower is built to handle tough tasks with a strong casing and durable components. It uses materials like reinforced composites and industrial-grade stainless steel to ensure long life and reliability. The impeller design is carefully shaped to deliver better efficiency and handle higher pressure. These blowers are commonly used in industries like chemicals, pharmaceuticals, and mining for pneumatic conveying. They are also crucial in dust collection systems in places like manufacturing plants, steel factories, and woodworking shops.

What is a Centrifugal Blower?

A centrifugal blower is a mechanical device that increases the pressure of air or gas by using centrifugal force. Unlike axial fans that push air in a straight direction, centrifugal blowers accelerate air outward through a rotating impeller, generating high-pressure airflow suitable for industrial applications.