Steel silos with hopper bottom are discharged automatically with quality unloading systems. The capacities are from 5 to 1, 000 metric tons in a wariety of sizes. Conical botton silos can store any flow able commodity from grain, feed, seed, cement and plastic pallets to certain mineral supplements.
The angles of hopper bottoms can be 40deg, 45deg and 60deg. The 60deg conical bottom silos are used in storaging of larger pallet and powdered materails with high viscosity.