•  Most Comprehensive Product Line (22 Models) 
•  Designed for Excellence 
•  Unsurpassed Durability 
•  Over 100,000 Machines in Operation 
•  Over 100 Years of Experience 
•  Exceptional Quality, Reliability and Efficiency 

Performance Overview
•  Ideal for Variable Flow Applications 
•  Airflow Range: 90 to 41,000 cfm 
    (150 to 70,000 m3/h) 
•  Pressure to 22 psig (1.52 bar) 
•  Vacuum to 17.6 "Hg (600 mbar) 
•  Flow Variability Via Inlet Butterfly Valve Control 
• Low Noise Levels 
• Non Pulsating Flow 
• Multiple Baffle Rings on Some Models 
  Increase Efficiency 
• Special Application Seal Options Available 
• Suitable for Air and Gas Service