Spiral Manufacturing Co., Inc. manufactures pneumatic air gates engineered for automatic airflow control in high-pressure dust collection, ventilation, and industrial air handling systems. These electrically controlled, compressed air-actuated gates feature a rugged cast aluminum frame with a stainless steel cylinder and patented floating piston assembly for reliable operation under varying airflow conditions. Compatible with duct sizes from 3 to 36 inches and operating at 40-150 PSI, the air gates provide precise, hands-free airflow regulation for improved system efficiency. Factory tested and built for long-lasting performance, Spiral Manufacturing’s air gates are ideal for automated industrial dust collection and ventilation applications.