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51COVS-SS/51COHS-SS Stainless Steel 1-1/2 Hour Type CO (Oval)

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.