AVI-20
UL Classified
(UL 555S Series AVI-20)
Less Than 3 Hour
Material- Standard
Galvanized Steel
Orientation
Vertical or Horizontal Installations
Temperature Ratings – Standard
250°
Temperature Ratings – Optional
350°
22 Ga Sleeve
Standard
12″
22 Ga Sleeve
Optional
8″, 17″, 20″ or 24″ Lenghts
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AVI-20
UL Rating
UL 555 and 555S - 1½ Hour Rating, for Use in Installations Rated Less
Than 3 HoursSizes
Available in Single-Section Sizes up to 36" x 36"
Available in Multi-Section Sized up to 288" x 36"Airflow Pressure Ratings
Vertical and Horizontal = 2,000 FPM at 4"W.G. Maximum