DIV 23 · HVACDAMPERSCUT SHEET INDEXED

Greenheckofsd-211 out of wall combination fire smoke damperofsd-211

Greenheck Combination Fire Smoke Damper (Fire and Smoke Dampers). Model OFSD-211. UL555 1.5 Hour Fire Resistance Rating; UL555S Leakage Class I; 3V Style Blades with Parallel Action; Maximum Velocity 2000 fpm (10.2 m/s). material: Galvanized Steel Frame and Blades, 316SS Axle Bearings

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Greenheck ofsd-211 cut sheet — first page
Official manufacturer data sheetOpen PDF ↗
Manufacturer
Greenheck
Catalog no.
ofsd-211
Product type
Dampers
MasterFormat
23
Cut sheet
PDF · manufacturer current

Product details

Catalog numberofsd-211
DescriptionGreenheck Combination Fire Smoke Damper (Fire and Smoke Dampers). Model OFSD-211. UL555 1.5 Hour Fire Resistance Rating; UL555S Leakage Class I; 3V Style Blades with Parallel Action; Maximum Velocity 2000 fpm (10.2 m/s). material: Galvanized Steel Frame and Blades, 316SS Axle Bearings
Connection size8x8 in. to 36x36 in. (203x203 mm to 914x914 mm)
End connectionOut of Wall
Pressure Rating4 in. wg (1 kPa) differential
Flow Rate2000 fpm (10.2 m/s)
FinishGalvanized.
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