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Air Cannons For Silos and Hoppers

A Proven Solution to Bridging and Build Up

Bridging in silos results in costly downtime and lost production. Build up results in lost storage and higher inventory costs. Build up can also result in expensive clean out costs when contractors are regularly hired to clean out a silo.


An air cannon system is a proven, permanent solution to these conditions especially on structures such as concrete silos which cannot be vibrated.

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The powerful blasts from the air cannons act directly on the material in the silo causing bridges to collapse and build up to break loose.

Air Blasters are an excellent choice to these materials and applications:


  • wood chips
  • soybean meal
  • corn gluten feed
  • prepared and return foundry sand
  • ores

Storage Vessels

  • concrete silos
  • flat bottom silos
  • hoppers with ceramic liners

G-400 Air Cannons on a kiln pre-heater duct at a cement producer

Air Blasters are supplied as a system including mount plates, solenoid valves, check valve, airline kits, and sequencer-timer. The size and number of air cannons are determined by the size and shape of the vessel, characteristics of the material and the desired outcome. Systems are designed to ensure material flow or to restore lost storage capacity or both. High temperature air cannons are available with special materials for operation in ambient temperature up to 400º F.

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A direct blast design, lightweight piston, short piston travel and aerodynamically designed exhaust windows on a Global air cannon all result in a more powerful, efficient blast than external valve designs.

Global air cannons are available with 2.5", 4", and 6" discharges with carbon steel or stainless steel construction.

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