DirectoryMaintenanceBlow-Through (BT) SeriesACS 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 about Blow-Through (BT) SeriesMore From ACS ValvesAero-Flow™ (AF) SeriesQuick CleanMD Series of Rotary Feeder ValvesCI Series Rotary ValvesRotary Airlock ValvesBlow-Through (BT) Series