Linx (Formerly Lindab USA) Safe Spiral #DSU Damper

• DSU balancing damper where complete shutoff of airflow is not required.
• Lindab Safe self sealing single wall round spiral duct system.
• Meets SMACNA Leakage Class 3 without the application of external sealants or flanges.
• Linx 10 year warranty to meet SMACNA Leakage Class 3. Entire system must be Lindab Safe spiral pipe and fittings.
• Standard G60 galvanized steel meets ASTM A653 and A924.
• Duct system gauge in accordance with the latest SMACNA HVAC Construction Standard to +10 inches w.g.
• Fitting ends have rolled edges and factory installed double lipped U-profile EPDM rubber gaskets.
• Damper blade is double layer steel with nylon bearings and locking blade quadrant w/damper position indicator.

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