DIV 23 · HVACDAMPERSCUT SHEET INDEXED

Greenheckfsd-311v combination fire smoke damperfsd-311v

Greenheck Combination Fire Smoke Damper (Fire & Smoke Dampers). Model FSD-311V. Class I leakage rated; 1.5-hour fire resistance rating; Vertical opposed airfoil blades; 316SS axle bearings. material: Galvanized steel frame (16 ga), Galvanized steel blades (14 ga)

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Greenheck fsd-311v cut sheet — first page
Official manufacturer data sheetOpen PDF ↗
Manufacturer
Greenheck
Catalog no.
fsd-311v
Product type
Dampers
MasterFormat
23
Cut sheet
PDF · manufacturer current

Product details

Catalog numberfsd-311v
DescriptionGreenheck Combination Fire Smoke Damper (Fire & Smoke Dampers). Model FSD-311V. Class I leakage rated; 1.5-hour fire resistance rating; Vertical opposed airfoil blades; 316SS axle bearings. material: Galvanized steel frame (16 ga), Galvanized steel blades (14 ga)
Connection sizeMin 4x4 in (102x102 mm), Max 50x32 in (1270x813 mm) single section
End connectionVertical mounting
Pressure RatingUp to 4 in. wg (1 kPa)
Flow RateUp to 4000 fpm (20.3 m/s)
FinishGalvanized.
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