Multistage Centrifugal Blowers/Exhausters
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Multistage Centrifugal Blowers / Exhausters

2 For more than 100 years, two names were synonymous with multistage centrifugal blowers: Lamson and Hoffman. Today, those legacies are joined under the Gardner Denver name, creating the most comprehensive multistage centrifugal blower offering in the world – the Gardner Denver Multistage Centrifugal brand. Anchored in tradition, this new Gardner Denver Multistage Centrifugal line-up continues a century long commitment to providing customers with innovative blower design, a comprehensive product line, quality manufacturing and unparalleled responsiveness to customer requirements and...

3 Industrial Processing Aeration Basins Air Drying Air Flotation and Sliding Air Knife Stripping Blow-off Systems Carbon Black Coal Gasification Combustion Air Blowers FGD – Forced Oxidation Fluidized Bed Gas Boosting – O2, CO2, N2, etc. Gas Recovery Landfill Gas LNG Vaporizers Printing Operations – Turning Bars – Dryers – Binding Applications Pulp Dewatering Steel Plating Baths Sulfur Recovery Vapor Recompression Water & Wastewater Treatment Aeration Aerobic Digestion Biogas Digester Gas Boosters Filter Backwashing/ Air Scouring Grit Chambers Engineered Vacuum Systems Clean Rooms...

4 8 ACCREDITED Superior Quality In Design, Materials, and Workmanship 1 2 3 4 5 6 7 Durable, reliable and efficient, Gardner Denver® Lamson® and Hoffman® centrifugal blowers/exhausters represent the highest quality workmanship in the industry using the finest materials and state-of-theart machining tools available today. Our dedication to design and quality assures you that the Gardner Denver blower you select is the best in the industry.

5 4 5 6 7 2 1 3 Multiple Baffle Rings Many models feature our patented Multiple Baffle Rings (MBR™) which help turn airflow smoothly into the eye of the impeller, dramatically reducing inlet passage losses. MBR combined with the two-dimensional impeller design increases blower efficiency and pressure/ vacuum capability. Balance Piston A balance piston is located at the outlet end of the rotating impeller assembly to compensate for the axial force of the impellers on the inlet bearing. This greatly increases bearing life for longer, troublefree operation. Flexible Coupling Blowers/exhausters...

6 Models to 41,000 cfm Gardner Denver offers the most complete range of Lamson and Hoffman multistage centrifugal blower/exhauster models to meet your needs. Each base model presents its own unique performance characteristics and design features that are illustrated in the chart below and the air maps on the following pages. CF Select™ Precision Sizing Service To help customers select the optimal blower or exhauster for their operation, Lamson and Hoffman engineers use Gardner Denver CF Select, a computerized sizing service. CF Select software can create an infinite number of performance...

7 Size and Performance To Fit Your Application With 22 models to choose from and the ability to specify a variety of manufacturing options, you can be assured that the blower or exhauster you order will deliver the performance you expect. In addition to the base models available, customers can choose from a variety of design options such as special coatings, alternative component materials, oil or grease lubrication, special seals, drive couplings and power sources. The Gardner Denver Lamson and Hoffman blower/exhauster you specify is then manufactured according to your unique application...

8 Choose From Multiple Drive Options Lamson and Hoffman blowers and exhausters may be direct driven, V-belt driven or gearbox driven with an electric motor. Alternative drivers include steam turbines, diesel engines, gasoline engines and liquid petroleum or methane gas engines. Also available is the Gardner Denver ESP™ (Energy Saving Performance) variable frequency drive system. The ESP system automatically adjusts airflow output to match the actual airflow demand. The blower/exhauster power requirement adjusts automatically resulting in energy savings. Your Gardner Denver representative...

• Factory Trained Service Professionals • On-site, On-Demand Service • System Optimization • Blower Remanufacturing • Training, Troubleshooting and Consulting • Warranty Renewal Programs • Genuine GD Quality Replacement Parts • Highest Quality Lubricants — AEON® Centrifugal Lubricating Grease — AEON CF-46 Centrifugal Blower Oil Whether you’re responsible for a wastewater treatment plant, the smelting operation at a foundry or the precise material handling needs of a manufacturing facility, Gardner Denver offers control systems to properly operate your Lamson and Hoffman blowers and...