Fans - Air Velocities for Pneumatic Conveying

Conveying velocities are dependent on the surface, density, size and shape of the particles to be conveyed. This chart shows the average air velocities for pneumatic conveying of various materials.

Material fpm
Aluminum dust 5000
Bakelite powder 3800
Barley 5800
Cement Dust 7000
Coal (pulverized) 4500
Corn 5500
Cotton 3800
Cotton Seed 5000
Flour 3800
Foundry dust 4500
Gases and fumes 200
Granite dust 6000
Hog Waste 5500
Knots, bark 5000
Lint (dry) 3000
Lint (wet) 3800
Metal dust 4200
Oats 4500
Paper trim 5000
Pulp chips 5500
Pulp (dry) 4500
Rubber buffings 4500
Rye 6000
Salt 6500
Sand 7000
Sawdust (dry) 3800
Sawdust (wet) 4500
Shavings (dry) 4000
Shavings (green) 4500
Sugar 6000
Vegetable pulp (dry) 4500
Wheat 6000
Wood blocks 5800
Wood fibres 5500
Wood chips 4500
Wood dust 4000
Wool 5000
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