51COVS-SS/51COHS-SS STAINLESS STEEL 1-1/2 HOUR LABEL STATIC FIRE DAMPER. Stainless steel fire dampers provide excellent corrosion resistance for high humidity and corrosive atmosphere applications.
DEPTH: 4¼” (108).
FRAME: Roll formed Type 304 Stainless Steel with hemmed edge.
BLADES: Roll formed Type 304 Stainless Steel interlocking curtain type blade.
FUSIBLE LINK: 165°F (74 C).
â–¡ Type 316 Stainless Steel Construction.
â–¡ Factory supplied Sleeve – 22, 20, 18 or 16 Ga.
*Sleeve length required.
â–¡ 212°F (100 C) Fusible Link.
â–¡ 1½” x 1½” Retaining Angles.