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Sleeved Fire Damper, Square, Steel

  • Mfr # 20CK20
  • Zoro # G6175994
product price: 
$
127.99
/ea
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Key Features

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
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Specifications

Product Information

MFR #
20CK20
Zoro #
G6175994
UPC #
190735152416
Country of Origin
United States

Dimensions

Damper Height
11 3/4 in
Damper Depth
3 11/16 in
Damper Width
11 3/4 in
Nominal Duct Height
12 in
Nominal Duct Width
12 in
Rough Opening Width
12 in
Overall Width
11 3/4 in
Overall Height
11 3/4 in
Overall Length
12 in
Frame Depth
12 in
Frame Material Thickness
22 ga
Wire Rope Length
12 in
Length
12 in

Details

Item
11.8"H-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 Item
Sleeved Fire Damper
Fusible Link
165 Degrees F
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
Fire Rated
1 1/2 hr
Damper Shape
Square
Maximum Pressure
4 in wc
Blade Type
Curtain
Damper Application
Fire
Maximum Ambient Temperature
165 Degrees F
Switch Action
Normally Open
Closure Pressure Rating
4 in wc
Rough Opening Shape
Square
Frame Less Flange
144 sq in
Blade Material
Galvanized Steel
Fusible Link Temperature
165 Degrees F
Damper Type
Dynamic
Mounting Position
Horizontal; Vertical
For Duct Shape
Square
Number of Panels
1
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
Front Closure
Spring
Shell Material
22 ga Galvanized Steel

Description

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

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