DIV 23 · HVACDAMPERSCUT SHEET INDEXED

Greenheckundersize transitions for vertical blade life safety dampers

Greenheck Undersized Transition Sleeve (Life Safety Dampers). Model FSD-311V / SMD-301V. Designed for FSD and SMD vertical blade dampers; Required when duct connections are smaller than the minimum allowable damper size; Fabricated in a sleeve with undersized transitions at both ends; Minimum allowable damper size is 6x8 inches (152 x 203 mm). connectionSize: Duct sizes smaller than 6x8 (152 x 203) mm

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Official manufacturer data sheetOpen PDF ↗
Manufacturer
Greenheck
Catalog no.
undersize transitions for vertical blade life safety dampers
Product type
Dampers
MasterFormat
23
Cut sheet
PDF · manufacturer current

Product details

Catalog numberundersize transitions for vertical blade life safety dampers
DescriptionGreenheck Undersized Transition Sleeve (Life Safety Dampers). Model FSD-311V / SMD-301V. Designed for FSD and SMD vertical blade dampers; Required when duct connections are smaller than the minimum allowable damper size; Fabricated in a sleeve with undersized transitions at both ends; Minimum allowable damper size is 6x8 inches (152 x 203 mm). connectionSize: Duct sizes smaller than 6x8 (152 x 203) mm
End connectionTransitions at each end of sleeve
MountingVertical Blade
DimensionsOverall damper size greater than duct size; calculated via Type B, C, or S charts.
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