Directory Maintenance Blow-Through (BT) Series ACS Valves Eliminates excess aeration, using an integrated vent port Optimizes material flow density Improves material release and conveying efficiency Request More Info Fill out the form below to request more information aboutBlow-Through (BT) Series More From ACS Valves Aero-Flow™ (AF) Series Quick Clean MD Series of Rotary Feeder Valves CI Series Rotary Valves Rotary Airlock Valves Blow-Through (BT) Series