Minimum Duct Design Velocities | Nordfab
General material handling, grinding dust, coffee beans, buffing lint (dry), wool just dust (shaker waste), shoe dust, granite dust, silica flour, brick cutting, clay dust, cement dust, brick dust, gypsum dust, foundry (general), limestone dust, packaging and weighing asbestos dust in textile industry, animal feed products : 3500-4000: Heavy dust