TRUE ROUND SMOKE DAMPER

Overview

The SSD-RD series of true round smoke dampers employ “true round” damper construction where the “sleeve” is integral to the frame of the damper. These dampers are the ideal choice when round duct is used on a project. All true round smoke dampers are tested to 2000 FPM and 4” WC. True round SSDs are available in either Class 1 or Class 2 leakage ratings

Product Features

• UL listed and tested to UL 555 Standard for Fire Dampers
• California State Fire Marshall (CSFM) listed
• New York MEA listed
• Dynamic rated (for HVAC systems that keep fans on during a fire)