Sleeved Fire Damper, Square, Steel - 20CK20
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Dayton
Sleeved Fire Damper, Square, Steel - 20CK20
11.8 In.H-W 12 In.L Spring Fire Dampr w/Sleeve, Damper Application Fire, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 4000 fpm, Overall Height 11 3/4 in, Rough Opening Diameter Not Applicable, Rough Opening Shape Square, Fits Fan Diameter Not Applicable, For Duct Shape Square, Free Area 0.6 sq ft, Overall Width 11 3/4 in, Frame Material Thickness 22 ga, Overall Length 12 in, Connection Type Not Applicable, Frame Depth 12 in, Rough Opening Length Not Applicable
- Country of Origin:
- United States
- Item:
- 11.8H-W 12"L Spring Fire Dampr w/Sleeve"
- Mounting Type:
- Dynamic, Vertical
- Shape:
- Square
- Includes:
- Stainless Steel Closure Spring; UL Fusible Link
- Material:
- 22 ga Galvanized Steel
- Damper Height:
- 11 3/4 in
- Damper Depth:
- 3 11/16 in
- Damper Item:
- Sleeved Fire Damper
- Fusible Link:
- 165 Degrees F
- Damper Width:
- 11 3/4 in
- Standards:
- NFPA 90A,101, CSFM, IBC, NFPA 80, NYC MEA, UL 555
- For Use With:
- Low Pressure HVAC Systems
- Recommended Retaining Angle:
- 2TGH2
- Free Area:
- 0.6 sq ft
- Nominal Duct Height:
- 12 in
- Fire Rated:
- 1 1/2 hr
- Damper Shape:
- Square
- Nominal Duct Width:
- 12 in
- Rough Opening Width:
- 12 in
- Overall Width:
- 11 3/4 in
- Overall Height:
- 11 3/4 in
- Maximum Pressure:
- 4 in wc
- Blade Seal Material:
- Not Applicable
- Blade Type:
- Curtain
- For Fuel Type:
- Not Applicable
- Damper Application:
- Fire
- Flange Type:
- Not Applicable
- Flange Width:
- Not Applicable
- Rough Opening Diameter:
- Not Applicable
- Maximum Ambient Temperature:
- 165 Degrees F
- Seal Material:
- Not Applicable
- Switch Action:
- Normally Open
- Overall Length:
- 12 in
- Closure Pressure Rating:
- 4 in wc
- Fits Fan Diameter:
- Not Applicable
- Rough Opening Shape:
- Square
- Frame Less Flange:
- 144 sq in
- Frame Depth:
- 12 in
- Blade Material:
- Galvanized Steel
- Rough Opening Length:
- Not Applicable
- Fusible Link Temperature:
- 165 Degrees F
- Single Acting/Double Acting:
- Not Applicable
- Counterbalanced:
- Not Applicable
- Damper Type:
- Dynamic
- Connection Type:
- Not Applicable
- Mounting Position:
- Horizontal; Vertical
- For Duct Shape:
- Square
- Mounting Style:
- Not Applicable
- Number of Panels:
- 1
- ACMA Leakage Class:
- Not Applicable
- Blade Orientation:
- Not Applicable
- Pressure Drop @ 1000 fpm (AMCA 5.2):
- 0.11 in wg
- Closure Type:
- Spring
- Maximum Air Velocity:
- 4000 fpm
- Frame Material:
- Galvanized Steel
- Airflow Direction:
- Vertical
- Closure Velocity Rating:
- 2,000 fpm
- Frame Material Thickness:
- 22 ga
- Package Quantity:
- 1
