Dampers Our line of Industrial dampers are built to exacting standards to meet your air control requirements. Product line includes multiblade louver dampers, round butterfly, variable inlet vanes, round isolation dampers, seal air/zero leakage dampers, refractory lined high temp dampers, fire dampers, face and bypass assemblies and guillotine dampers. Our dampers are built to your specifications to handle the toughest environments. Louvers Our louvers follow industry practices for Air performance & Water penetration and are licensed to bear the AMCA seal. They are offered with drainable or fixed blade configurations in depths of 2”, 4” or 6”. They can be either extruded aluminum or fabricated steel and are built to withstand hurricane-force winds and flying debris. We also offer acoustical louver for noise attenuation application where air movement is needed through a sound barrier. Air Systems Engineering Inc. 231 Greenwood Ave, Suite A Midland Park, NJ 07432 Phone: 201-251-6466 - Fax 201-251-6477 Email: airsystemsales@airseng.com