DuroFlow® Blowers Industrial Series

DuroFlow Series

Solid Bi-Lobe

It's all about the Toughness

For more than 50 years the DuroFlow Industrial Series positive displacement blowers & vacuum pumps have combined durable technology and on-the-job experience to deliver clean, oil free air and efficient performance to a wide range of industrial applications.

  • Advanced heavy-duty design
  • Proven performance and reliability 
  • Dual Splash Lubrication (DSL) for continuous operation 
  • Manufactured to ISO 9001 quality standards 
  • Backed by local network of sales and service professionals
  • Flex-Mount design, vertical or horizontal mounting 
  • Oil-free air delivery
  • Ideal for a wide range of applications


  • 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 clearnances
  • Heavy-duty reinforced cylinder retainse 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
  • Helcial 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



Service and Warranty

Gardner Denver ... The Answer

You get total product support now and for years to come from our dedicated international team of professional distributors, our Master Distribution Center with its extensive genuine replacement parts inventory, our Remanufacturing Center, and our skilled, factory-trained technicians.

  • Great PD Blower Warranties
  • Dedicated, Authorized, Factory-Trained PD Blower Distributors
  • Genuine PD Blower Replacement Parts
  • 24-hour PD Blower Service Support