Series 40 Corridor Dampers Class I

Series 40 Corridor Dampers Class I

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UL Classified UL 555 and 555S – 1 Hour Rating, for use where air ducts penetrate or terminate at openings in the ceilings of interior corridors

Specifications:

Leakage Classes

Class 1 – Ultra-Low

Material

Galvanized Steel

Temperature Ratings

250° Rated – Standard
350° Rated – Optional

Thermal Disk Ratings

165° – Standard
212° – Optional

Orientation

Available for Horizontal Installations Only

22Ga Optional Sleeves

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

Sizes

Available in Single-Section Sizes up to 24” x 24”

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