Interchangeable hoppers make it easy and quick to change materials. The gate for the hopper is closed manually and the entire hopper is moved with a fork lift. A new hopper is then moved into place and the gate on that hopper opens so materials can flow into the batching unit. The changed hopper can then be moved to a different location for filling without creating dust emissions around the hoppers.
All hoppers are hot-dip galvanized. They are designed and manufactured by Haarup.