Centrifugal Blowers & Exhausters

Centrifugal blowers & exhausters are custom designed using one or many stages of impellers to move air or gas. These units are the ideal solution for processes requiring uniform pressure, pulse-free flow, and oil-free operation. 

Hoffman & Lamson have the most comprehensive range of centrifugal blowers and the latest technology best suited to maximize productivity and minimize energy costs for operations.

The centrifugal blower models below are similar in focus but maximize functions specific to each product, such as design or cost.

Our blowers are flexible and allow variable flow capabilities without a variable frequency drive (VFD), which is critical for maintaining sufficient amounts of dissolved oxygen at minimum and maximum air requirement levels. Moreover, centrifugal multistage blowers are efficient and contribute to energy and cost-savings due to inlet throttling, custom-engineered configurations, and no wearing parts. 

No wearing parts mean centrifugal blowers are virtually maintenance-free. Although routine and preventative maintenance are recommended and performed onsite with nominal operational downtime.

Hoffman & Lamson is the global leading specialist of engineered blower solutions backed by over 100 years of design, and industry expertise.

Proven Reliability For Industrial Applications

HOFFMAN & LAMSON centrifugal blowers are manufactured with proven reliability and provide effective, affordable solutions amongst varied application needs. The range of applications for centrifugal blowers is ever-expanding and includes air and gas, industrial processing, wastewater treatment, landfill gas, and many other air handling applications.  

  • Water And Wastewater Treatment - Centrifugal blowers can be specified for coarse/fine bubble diffuser systems, air scouring/filter backwashing, reactor batch supplemental air, digester gas booster, grit channel mixing, and sludge digestion applications.
  • Industrial Processing - Centrifugal blowers provide air or gas for sulfur recovery, combustion air, process gas boosting, coal mine venting, fluidized bed combustion systems, vapor, and gas extraction, composting, sludge incineration, CO2 compression, air knives, and printing systems.
  • Engineered Vacuum System - Centrifugal blowers are used as an exhauster to pick up, convey, and capture a myriad of materials ranging from aluminum granules to corn flakes.
  • Other Air Handling Applications 

Blowers vs. Exhausters

Blowers & exhausters circulate air or gas; however, they differ in their process of circulation. Exhausters are the heart of vacuum systems; whereas, blowers channel air or gas in a specific direction. 

A blower is a low pressure, high volume compressor. Blowers are applied to systems that require the machine to provide positive pressure. These units take ambient air or gas from supply and compress the air or gas to produce the required result. 

Exhausters are designed to provide continuous flow and pulse-free air while delivering a quiet and clean vacuum. These units are practically maintenance-free with only one moving part and no timing gears. Bearings require only occasional greasing and the shaft seals are non-contacting and non-wearing. 

Equipment is tested prior to reaching the customer or end-user. This ensures top quality and avoids unforeseeable issues or operational downtime. Therefore, upholding Hoffman & Lamson’s strong reputation as the global leader of engineered vacuum solutions and producing premier quality products efficiently and economically. There are over 100,000 HOFFMAN & LAMSON multistage centrifugal blowers and exhausters in operation worldwide.