Gardner Denver Duroflow Series

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  • Pressure to 15 psig
  • Vacuum to 16 inHg
  • Flows up to 4,300 cfm
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  • Solid bi-lobe rotor profile to prevent build up of ingested material
  • Serrated rotor tips providing more air flow with less power consumption
  • Heavy duty, single piece reinforced cast iron cylinder
  • Integral ribs for cooler operating temperatures
  • Dual Splash Lubrication with efficient slinger
  • Oversized bearings to fix rotor position and support each shaft
  • Advanced oil and air seals provide leak free operation
  • Helical timing gears mounted on shaft splines


  • Available in 30,45 & 70 series
  • Hollow rotors can become unbalanced due to build up of ingested material inside the rotor. ¬†DuroFlow’s solid rotors eliminate potential for vibration
  • Innovative rotor profile with serrated tips reduce power consumption
  • Rotors precision machined with advanced CNC milling technology creating an innovative rotor profile providing tighter clearances
  • Heavy-duty reinforced cylinder retains clearances and provides greater strength and rigidity
  • Integral ribs improve heat dissipation and improve performance
  • Reliable dual splash lubrication at both gear and drive ends for longer product life
  • Oversized bearings for added support and greater durability
  • Improved seal design maximizes seal life and leak protection
  • Helical timing gears provide quiet, smooth mechanical operation
  • Vertical and Horizontal mounting configurations provide greater flexibility for installing into any new or existing system
  • World-class engineering and design
  • Leader in durability and reliability in severe duty applications

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