Series 30 | 3 Hour Rated
Combination Smoke and Fire Damper
UL 555 and 555S – 3 Hour Rating, for use in installations rated three hours or greater
Meets NFPA Standard 90A ICC Building Codes
Specifications:
Leakage Classes
Class 1 – Ultra-Low
Class 2 – Low
Material
Galvanized Steel
Temperature Ratings
250° Rated – Standard
350° Rated – Optional
Thermal Disk Ratings
165° – Standard
212° – 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 36”
Blades
16Ga Galvanized 3 “V” Formed for Rigidity
Opposed Operation
Double Yoke Kneelock for Increased Stability
Airflow Pressure Ratings
Vertical and Horizontal = 2,000 FPM at 4” W.G. Maximum
Options
Transitions: Rectangle, Round, Oval, or Special
Actuator Type: Electrical
Actuator Location: External or Internal