Louvre dampers are designed to provided a guaranteed sealing efficiency of 99.9%, or better, on cross-sectional area. They incorporate various flexible metallic sealing systems made of austenitic stainless steel or high nickel alloys. Units can be supplied for both circular and rectangular ducts of all size for temperatures and differential pressures upto, and in excess of 650OC and 2000 mm H2O respectively.

Louvre dampers are designed to provided a guaranteed sealing efficiency of 99.9%, or better, on cross-sectional area. They incorporate various flexible metallic sealing systems made of austenitic stainless steel or high nickel alloys. Units can be supplied for both circular and rectangular ducts of all size for temperatures and differential pressures upto, and in excess of 650OC and 2000 mm H2O respectively.