Klein specializes in the pneumatic conveying of sand and other abrasive products: • Foundry Core Room Applications • Various Chemical and Mineral Conveying Applications • Rail Vehicle Sand Filling Applications Klein is a specialist in the pneumatic conveying of sand and other abrasive materials using compressed air. Today, Klein products represent the best-of-the-best when conveying abrasive materials and we also offer a number of other high quality products, including: • Batch Sand Mixers • Sand Heater / Coolers • Sand Reclamation Systems (less)