Pneumatic Transport and Conveying - Carrying Velocities

Recommended air velocity for pneumatic transport of products like cement, coal, flour and more. This tool provides a lookup table for recommended air carrying velocities in pneumatic solid transport systems for various materials.

ProductApproximate Density (lb/ft³)Suction Pressure (in H2O)Air Carrying Velocity (m/s)Air Carrying Velocity (ft/min)
Ashes, powdered clinker30 - 436500 - 8500
Ashes from coal303285500
Beans284316000
Buffing dust2.5193700
Cement100530 - 466500 - 9000
Coal, powdered20 - 284000 - 5500
Coffee beans15 - 203000 - 4000
Cork141.517 - 283000 - 5500
Corn, wheat, rye453.525 - 365500 - 7000
Cotton, dry5222 - 303500 - 6500
Flour17 - 303500 - 6500
Grain dust10 - 152000 - 3000
Grinding and foundry dust30217 - 233500 - 4500
Jute22 - 304500 - 6500
Lead dust20 - 304500 - 6500
Leather dust8 - 121800 - 2500
Lime, hydrated30325 - 365500 - 7500
Limestone dust10 - 152000 - 3500
Malt353244800
Metal dust15 - 183500 - 4000
Metal turnings2.5204500
Mineral wool122223500
Oats22 - 304500 - 6500
Paper cuttings203255000
Plastic molding powder15 - 173000 - 3500
Plastic dust10 - 122000 - 2500
Pulp chips22 - 364500 - 7000
Rags, dry302.520 - 334000 - 6500
Rubber dust10 - 152000 - 3000
Salt285500
Sand30 - 466000 - 9000
Sandblast17 - 233500 - 4500
Sawdust and shavings, light122.510 - 172000 - 3500
Sawdust and shavings, heavy17 - 233500 - 4500
Shavings, light92.5223500
Shavings, heavy243204000
Sugar306000
Textile dust10 - 152000 - 3500
Vegetable Pulp, dry234500
Wood chips20 - 254500 - 5500
Wool22 - 304500 - 6000

Conversion Factors

  • 1 lb/ft³ = 16.018 kg/m³
  • 1 in H₂O = 248.8 N/m² (Pa) = 0.0361 lb/in² (psi) = 25.4 kg/m²

Velocity Conversion

  • 1 m/s ≈ 196.85 ft/min
  • 1 ft/min ≈ 0.00508 m/s
Calculator

Inputs

Results

Velocity-- ft/min
Pneumatic Transport and Conveying - Carrying Velocities | MEPKit Engineering Tools | MEPKit