Description - Johnson Controls - LIT-1900638 - LIT-1900638

SD-1250 Smoke Dampers Catalog Page

Brand
Johnson Controls
Product name
LIT-1900638
Document type
Catalog Page
Document number
LIT-1900638
Revision date
2021-03-10
Language
English

Johnson Controls provides a leakage-rated damper for life safety smoke management systems that meets the new Underwriters Laboratories Inc® (UL) leakage testing procedures and fits your size and application requirements:

  • SD-1250 Class I leakage resistance aluminum frame and aluminum airfoil shaped blades

Smoke Dampers are listed under the latest Standard 555S, and carry the UL/cUL label. UL listing number is R11172.

All Smoke Dampers include actuators that have been tested and approved as a matched set, rated for 250°F or 350°F temperature degradation operation:

  • National Fire Protection Association (NFPA) Standards 80, 90A, 92A, 92B, and 101

Refer to the SD-1250 and SD-1600 Series Smoke Dampers Product Bulletin (LIT-1201592) for important product information.