Selecting the Right Blower for Your Application

There are several different types of blowers in the market. In many applications, air flow and pressure (or vacuum) level requirements may determine what type of blower should be used. There are many areas however, where there may be over-lapping in performance capabilities. It is those areas, this may require a more in-depth evaluation of blowers that could potentially be used. The performance ranges that are likely to require additional consideration are in the volumetric capacities up to 1000 CFM, pressures up to 8 PSIG, or vacuum levels to around 15” Hg. Some of the common blower choices in these ranges may include:

  • Regenerative (side channel) blowers (single stage or 2-stage)
  • Rotary lobe positive displacement blowers
  • Multiple stage centrifugal blowers
  • High speed centrifugal/turbine-type blowers
  • Rotary vane blowers
  • Liquid ring compressors/vacuum pumps
  • Rotary Claw pumps

regenerative-blowers-application

When applying any of these blower types, some of the considerations may be:

  • Mechanical Efficiency. (which
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7 Industries that Use Regenerative Blowers

Regenerative blowers offer several performance benefits, making them a popular choice for moving air volumes up to approximately 1000 CFM at elevated pressures. They are robust, compact, lightweight, maintenance free, and offer efficient performance. What else? With quiet operation and good mechanical efficiencies for moving air, you will find them the most economical way to satisfy your application requirement when compared to positive displacement blowers. With these notable features, these blowers are chosen for applications in varied industrial sectors. Let us examine those industries that make use of the beneficial features of regenerative blowers.

Where are Regenerative Blowers Typically Used?

The following are the industries wherein regenerative blowers are commonly used.

industries-that-use-regenerative-blowers

  1. Industry: Manufacturing
  2. Applications: Pneumatic conveying, vacuum transfer, scrap collection, batch processing, air bearing work stations, furnace combustion air, parts processing and packaging.

  3. Industry: Textile
  4. Applications: Industrial sewing machine, automatic loom machines, and knitting machine thread and cutoff

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Common Factors that Lead to Failure of Blowers

There are several processes requiring low pressure air in industrial and commercial applications. To carry out these processes efficiently, regenerative blowers have become a widely used source for low pressure air. These blowers are common for small air volumes at higher pressures, which are beyond the performance range of centrifugal blowers. Regenerative blowers, unlike centrifugal blowers, operate on compressor laws as opposed to fan laws. Under compressor laws, increases in pressure or vacuum levels result in a higher workloads, and greater heat generation. As pressure or vacuum increases, the volumetric capacity of these blowers decreases. This is the opposite of centrifugal blowers operating on fan laws, where greater volumes increase the work load, and as pressure or vacuum levels increase, volume is reduced, and the work load and heat load are reduced. Therefore different precautions are required for the protection of regenerative blowers.

What are the Main Factors that Can

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Regenerative Blowers: What Do You Know About Them?

What are regenerative blowers? They are modern-day machines. Compact, and versatile, they are specially designed for moving a large volume of air, which is at low pressure.

Regenerative blowers provide an alternative means of compressing or evacuating small volumes of air at positive or negative pressures. They initially filled a performance void between centrifugal blowers and positive displacement (rotary lobe) blowers. With improvements over the years in pressure capabilities, they may now replace rotary lobe blowers in many applications, based on the many other benefits they offer.

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Regenerative Blowers: What Do You Know About Them?

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