What to Consider When Choosing the Right Roots Blower

Charlotte Miller

What to Consider When Choosing the Right Roots Blower

To succeed in the manufacturing and processing industry, you need to make the right choice of roots blower. But what is roots blowers? Roots blower is used to generically refer to positive displacement rotary air blowers. Roots blowers are used in many industrial applications such as food processing, cement and mining, agriculture, textile packaging and water treatment industries. If you want a good experience in the processes of handling bulk materials and collection of dust, you must choose the right roots blower. Do you want to increase production and improve process proficiency in the workplace? Read on to discover where to use roots blower and what to consider when choosing the right one. 

Where Can You Use Roots Blower? 

Roots blower are especially useful in systems that deal with material handling and collecting dust. These systems include the following;

  • Aeration systems
  • Central vacuum cleaning systems
  • Dehydration systems. 
  • Pneumatic conveying system

How to Choose the Right Roots Blower

With many brands of root blowers available in the market currently, how do you decide which is the best one for your industry and processing system needs? Here are the factors that you should put into consideration to get it right;

  • Pressure head and volume flow

Consider whether your system needs higher volume, pressure and flow while also maintaining low power consumption. Bear in mind that the pressure ratings for roots blowers are measured in kPa showing the performance as measured against the flow. The trick here is simple – know the pressure required and the rate of flow in order to determine which roots blower meets your system requirements. 

  • Performance ratings

Performance ratings for roots blowers (or motor rating and gear speed) are influenced and determined by a number of factors.

  • Temperature. The performance of your roots blower depends on the system’s ability to correctly regulate the heat in your system. Note that even a slight change in the temperature within the system can greatly affect the condition of the materials you are conveying into the system. 
  • Motor and speed rating. You should make sure that the total horsepower and the gear speed are correct for your system. 
  • System noise output. Ensure that your roots blower is made of the materials that minimize noise output. You should also consider having roots blowers that also have configurations that reduce noise output.   

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  • Durability

You can determine the durability of the roots blower by looking at the material used to make the device, the requirement levels for maintenance and checking whether it is compliant with industry standards. Another factor you should consider here is whether your supplier offers aftersales services. In this way, you’ll be sure to have an expert that can help when you need repairs or maintenance for your roots blowers.  

  • Cost

Like every other item you purchase, root blowers also need to be affordable. Look at the features and specifications that the roots blower offers and compare them against the price tag. In this way, you will have a durable, reliable, efficient and most importantly, affordable roots blower for your system. 


Roots blowers are used widely inprocessing and manufacturing applications that require average pressure and fairly large flow rates. You’ll find them in use in many processes such as in cement processing plants for aeration purposes, in chemical processing plants supplying processed air, in biogas production helping in the transfer of biogas to the boiler, in effluent and water treatment and processing plants and many others. If you need a roots blower in your industry, you should know the factors to consider when choosing the right one. 

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