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Combo Louver Damper, Adj, 47-1/2 H, Alum

DAYTON

Price: $1,199.00 / each

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  • Item # 5NKJ1
  • Mfr. Model # 5NKJ1
  • UNSPSC # 30161901
  • Catalog Page # 4106
  • Shipping Weight 65.0 lbs.
Country of Origin USACountry of Origin is subject to change.

Technical Specs

  • ItemCombination Louver Damper
  • TypeAdjustable Damper
  • Max. Exhaust (CFM)7219
  • Max. Intake (CFM)5027
  • Inside Height (In.)42
  • Outside Height (In.)47-1/2
  • Inside Width (In.)45
  • Outside Width (In.)47-1/2
  • Flange Width (In.)1-1/4
  • Number of Blades10
  • Free Area (Square-Ft.)7.109
  • Max. Velocity (FPM)3000
  • Blade Angle (Deg.)45/90
  • Construction MaterialAluminum
  • For Use WithIntake or Exhaust Applications
  • IncludesBird Screen and Screen Fasteners
How can we improve our Technical Specifications?

Compliance and Restrictions

None

Details

Louvers
Designed to protect air intake and exhaust openings from rain and weather while still providing excellent air flow. Mill-finish extruded aluminum drainable frame is 4" deep, 0.081" thick, and has 45° fixed louvers spaced on 4" centers, with pivoting louvers and TPV seals for weathertight closure. Includes 1/2" flattened birdscreen in removable frame mounted on interior. Standard manually-operated linkage kit for opening and closing. Optional motor kit sold separately.
Combination Louver Dampers
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Product Q&A

(2 Questions : 2 Answers)

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6 times per hour will this do that?
1 year, 11 months ago
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Answer: 
Grainger has contacted the product supplier and has been advised by them of the following.

You will require about 209,000 to 210,000 CFM to get 6 air changes per hour.

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1 year, 11 months ago
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Correct size is 171' X 51' by 24' high need to change air 6 times in an hour
1 year, 11 months ago
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Answer: 
The louver 5NKJ1 you have will not exchange the air in a space, only allow air in or out. For 6 air changes per hour in a 171' x 51' x 24' space you would require about 41,000 to 42,000 CFM of air flow.

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