The Putzmeister 450-3200 Concrete Buffer Storage is a high-capacity hopper attachment designed to ensure continuous concrete flow to stationary pumps on large construction sites and in precast factories. With storage volumes ranging from 450 to 3200 liters, it acts as an effective buffer, helping avoid cold joints and maintaining consistent pumping for high-quality results. This unit is essential for speeding up concreting operations by reducing interruptions during concrete delivery. Depending on the version, the hopper comes equipped with practical features like a grill, splash guard (450), or built-in agitator (2300, 3200) for efficient mixing and flow control. Designed for seamless compatibility with various Putzmeister BSA models, the buffer storage unit offers reliable performance and simplified logistics, making it a valuable addition to any high-output concrete operation.