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Oil-Free Rotary Vane Truck Blowers

HPD450/E490 Series

The fastest offload times in the business

The HPD450 and E490 rotary vane dry truck blowers are economical, lightweight, and is a high performance solution for offloading dry bulk materials

Oil-Free Rotary Vane Truck Blower

The fastest offload times in the business

The HPD450 & E490 are compact, high efficiency, low discharge temperature units & offer 100% oil-free air delivery. These rotary vane blowers are capable of overcoming high pressure drops, and high altitudes, and are for use on trailers with small air pads. Either model can be configured for mobile or stationary operation while providing completely oil-free air delivery for pneumatically conveying cement, lime, gypsum, or other fine, dry bulk materials.

 

Built for use in demanding applications

  • Corrosion resistance- Electrolyse nickel-plated rotor provides good resistance. Long life and increased reliability
  • Bearing lubrication - simple injected grease, long life, low maintenance costs
  • Wide performance range - A flexible tank truck means a more versatile fleet. Reduces operational costs
  • Efficiency - The sliding vanes maintain efficiency and flow rates. Reliable, dependable performance
  • Compact - Despite the wide performance range, the size and shape of the machine make low-cost direct driving possible. Low-cost installation

Built for use in demanding applications

  • Special carbon vanes which automatically adjust for wear, giving continuous full performance
  • A wide performance range means a more versatile fleet, allowing overall tank truck application flexibility
  • Reliable and efficient performance is attributed to the sliding vanes being able to maintain required flow rates
  • The HPD450's compact design allows for direct PTO mount and easy installation

It's one of a kind!

  • Coolest operating temperatures in the industry
  • Quietest blower in the industry
  • Capable of medium and high pressure off loads


In the competitive market we work in, the cost to a business for a vehicle being off-the-road is high. Down time equals money lost. We understand this. That's why Gardner Denver's nationwide service network and highly skilled and certified technicians are available 24/7 to meet your repair needs. We offer support with extensive stocked spare parts to get you and your product back in operation as soon as possible.

What do we offer?

  • Globally stocked genuine spare parts
  • Service and maintenance kits
  • Detailed commissioning
  • Reliable, professional maintenance and service contracts
  • Personalized maintenance and service contracts
  • Service training of customers and dealers
  • Professional information and advice
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