The pressure differential car, commercially known by the Airslide trademark, is a covered hopper designed with a porous membrane floor through which compressed air is pumped to fluidize fine dry bulk commodities. The air-fluidized product flows like a liquid to pneumatic conveying lines connected at discharge outlets. This design eliminates bridging and hangup problems common with fine powders in standard gravity hoppers. Airslide cars are commonly used for Portland cement, fly ash, flour, and other cohesive powders.
Standard 2-bay or 3-bay configuration for Portland cement; designed to connect to plant pneumatic conveying systems at discharge.
Interior surfaces and components approved for food contact; used for flour, starch, and food-grade sugar in bulk.
Pressure differential cars are the preferred equipment for cement plants, ready-mix concrete producers, and food processors that need to receive fine bulk powders and transfer them pneumatically into silos without manual handling.