What is a Blower Wheel – A Comprehensive Guide

A blower wheel is the component of warming and conditioning system that is responsible for bringing conditioned airflow from the home’s furnace, heating system, or air conditioner into the living space.

After the air has been heated or cooled by the system, blower wheel then causes air to travel throughout the duct circuit and emerge via vents located in each room of your residence or office.

A blower can be either a piece of equipment or a device which works by increasing the speed of air or gas as it moves through impellers that are attached to the blower.

Its primary function is to allow the movement of air or gas that is necessary for various processes such as exhausting, aspirating, chilling, ventilating, conveying, etc. In the manufacturing world, blowers are also frequently referred to as centrifugal fans.

When it comes to blower, the force at the outlet is significantly higher than the force at the entrance. The speed of the blades contributes to a rise in the air’s tension just before it exits the vent.

Blowers are most commonly utilised in industrial settings for moderate force requirements. In these settings, the pressure must be greater than that of a fan but lower than that of a compressor.

What Is a Blower Wheel Used for?

Without the aid of a proper blower wheel, your air-conditioning, ventilation, as well as heating device will not function effectively. These HVAC devices utilize blowers and fans to rotate the air, making them a crucial component of the air handling equipment that brings fresher air into the structure or residence.

Blowers can be installed inside a ducting system or on an outside wall if they are being utilised for ventilation. Commonly, blowers are electrically operated to produce unidirectional movement for air that has already been pre-heated or pre-cooled.

The most important of the components that make up a blower is blower wheel. The blower motor and its robust outer coating guard the central disc as well as the fan mechanism.

Most of the time, blower wheels are manufactured out of cold-rolled galvanised steel, which is resistant to rust as well as corrosion. Because of its meticulous construction, the performance you get will be strong and long-lasting for many years ahead.

Despite the fact that several blower wheels have a temperature rating of up to 200 degrees Fahrenheit, the optimal temperature range for their operation is somewhere between 130- and 200-degrees Fahrenheit.

Blower wheels are a common component found in fans, and their primary function is to generate enormous volumes of air at low pressures. The air is compelled to exit the fan in a direction that is parallel to its width.

One of the pre-tooled plastics impeller moulds can be used to make plastic blower wheels, or can custom produce them according to the exact specs a customer provides. Making use of the “Pre-tooled” method helps save both time and money during the mould development process.

In addition to this, the amount of time that passes between the order placement and the delivery of the specific parts is drastically cut down.

Blower Wheels provide your fans with outstanding performance while reducing the amount of noise they produce. They help to draw air into or expel it from a space, practically in every kind of fan.

It includes axial fans, centrifugal fans, as well as exhaust fans, that have a blower attached to it. Drying, chilling, suction, and exhaust activities are all examples of applications for the Blower Wheel.

Blower Wheel Material Types

Materials for the fan have a significant role in both the design and production processes of centrifugal fans. The mass, cost, cleanliness, durability, maintainability, and aesthetic of a building can all be impacted by the materials used in its construction.

Blower Wheel Material Types

When it comes to construction of the fan wheel, accessories, or even the full fan, there are diverse options of materials to select from. TSL Blower carries the suitable and greatest materials for your application, regardless of whether it requires rising operating temperatures, caustic contaminants, and perhaps explosive environments. These materials include:

  • All carbon steel grades
  • Titanium
  • All stainless steels
  • Aluminium
  • Monel
  • Nickel-based alloys (625, C22, C276, etc.)

Blower Wheel Types

The designs of industrial fans are developed to fulfil particular performance criteria while preserving the devices’ structural integrity. Different industrial fans applications have specific flow and pressure requirements.

Blower Wheel types

Fans are put to use in a wide variety of environments, some of which include high rotation speeds, corrosive environments, abrasive air flows, and extremely high or low temperatures.

These application criteria, along with the surroundings in where the fan or blowers will be utilised, should guide your selection of the appropriate fan.

In order to generate enormous volumes of air at low force, fans make use of a combination of fan as well as blower wheels. Via the housing’s outlet, air is expelled in a direction that is perpendicular to the housing.

Industrial fans and blowers can be fitted with any one of several distinct types of blower motors or centrifugal impellers. The following is a list of the eight most common types of wheels found in industrial fans and blowers:

Shrouded radial-blade: High-pressure pressurising, blow-off systems, and lengthy duct or pipe lengths are all ideal applications for shrouded radial-blade blower wheels.

Open radial blades and back plates: The powdered or granular substance, as well as the long, stringy paper trims or fibres, can be conveyed with the help of blower wheels constructed with open radial blades and back plates. Moving material that is powdery or granular, as well as paper scraps or fibres that are lengthy and stringy.

Open paddle wheel: The primary purpose of the open paddle wheel is the conveyance of granular or powdered materials.

Blower wheel that is tilted backwards: Flat-bladed, backward-angled fan wheels are a thing. These wheels are frequently utilized in dust collecting systems with the fan located on the fresh air face of the dust extractor, as well as for basic ventilation and pressured cooling at greater pressures.

Backward Curved shape: High performance and low noise are provided by blower wheels with a backward-curved shape. Common applications for these fans include general ventilation, dust collecting (with the fan positioned on the clean face of the dust collector), providing combustion air, as well as drying.

Airfoil wheels: Airfoil wheels combine the shape of a propeller blade with the cross – sections of an aviation wing. They have the best design for transporting vast amounts of air and are the most productive. They are frequently utilised for ventilation, pressured cooling at greater pressures, and on dust collecting systems.

Forward Curve: When it comes to moving big quantities of air at lesser pressures, multi-vane blower wheels are the way to go. In most cases, slower fan speeds are preferred for general circulation or for applying a cooling force.

Blower wheel with a radial bend in the opposite direction: The Opened Radial Blade wheel can be reimagined as a backwards-curved variant called the Backward Curved Radial blower wheel.

Which Way Does a Blower Wheel Spin?

The blower wheel can rotate in either the clockwise or counter clockwise direction, and while it does so, the forward-curving, small blades on the wheel gather up the airflow and fling it out of the device.

It is constructed to move large volumes of airflow while generating a very minimal static pressure. As a result, this layout is ideal for applications such as furnaces or ovens that rely on convective heat and require keeping the temperature consistent throughout the room.

You are required to choose whether the wheel will operate or spin in a clockwise (CW) or counter clockwise (CCW) direction of cycle before purchasing. When it comes to the entire performance as well as air flow properties of a blower wheel, having the correct rotation is one of the most essential and crucial factors.

If the direction of spinning of a blower wheel is reversed, the wheel will not circulate air in a productive or efficient manner.

It has a significant negative impact on performance and has the potential to result in a variety of property as well as equipment damages. It is absolutely necessary to verify and indicate the correct spinning direction of the wheel.

Leading Manufacturer of Blower wheel in China

TSL Blower, with headquarters in China, is an industry-leading maker of centrifugal fans as well as blowers. Heavily loaded centrifugal fans and blowers for industrial processes are designed, manufactured, and delivered by the company.

We specialise in centrifugal industrial fans, as well as for residential needs, whether it be cooling or heating. We maintain a consistently high level of quality in all our products.

Centrifugal fans are inevitably used in the production systems of makers from all kinds of industries in order to move air, gases, and raw materials in order to generate a final product that is to everyone’s satisfaction.

Centrifugal fans as well as blowers move air and, as a result, act as operatives of change of many different kinds. These changes can occur in the components, the assembly, or the surroundings.

TSL is dedicated to the research and innovation of DC blower fans and fan impellers. 2005 marked the beginning of TSL’s operations.

Based on years’ worth of experience in the production of plastic injection moulds and components, TSL has become a leader in manufacturing all kinds of blower wheels. TSL is now recognised as an industry leader in the production of fan impellers and DC fans.


You may find the best deal on blower wheels as well as a wide variety of other variants and accessories when you shop at TSL Blower. TSL has been in the industry for a very long time and has accumulated a level of experience in this industry that is unmatched by anybody else.

We not only provide you with the best products but also with customer service and support that is unmatchable.

So, what are you waiting for? Just give us a call or fill in the form on our website and one of our representatives will call you! Contact TSL Blower today for all your blower wheel needs!!