Application - 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

The SD-1250 Series Smoke Dampers meet specifications requiring a Class I leakage rating at 250°F. The SD-1600 Series Smoke Dampers meet specifications requiring a Class I or Class II leakage-rating at 250°F or 350°F. SD-1250 and SD-1600 Series smoke dampers are tested according to UL Standard 555S for dampers that are used in Heating, Ventilating, and Air Conditioning (HVAC) smoke systems.

SD-1250 Series smoke dampers meet the requirements for the International Building Codes (IBC). Each SD-1250 Series smoke damper includes factory-installed actuator(s) as per UL Testing. Smoke dampers up to maximum tested sizes are rated for either vertical or horizontal mounting.