Series 20 Smoke Dampers Class I

Series 20 Smoke Dampers Class I

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UL Classified UL 555S

Meets NFPA Standard 90A ICC Building Codes

Leakage Classes

Class 1 – Ultra-Low
Class 2 – Low

Material

Galvanized Steel

Temperature Ratings

250° Rated – Standard
350° Rated – Optional

Orientation

Available for Vertical or Horizontal Installations

22Ga Optional Sleeves

17” Sleeve – Standard
20” or 24” Lengths – Optional

Sizes

Available in Single-Section Sizes up to 36” x 48”
Available in Multi-Section Sized up to 144” x 48”

Airflow Pressure Ratings

Vertical and Horizontal = 2,000 FPM at 4” W.G. Maximum

These products are custom made and, according to our policy, can not be returned or refunded. Please connect with our team if you need to double check any sizes