Manual de instrucciones de Greenheck Fan Steel Airfoil Blades FSD-311V

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model Fsd-311V
Combination FIRe smOKe dAmPeRs
Steel Airfoil Blades
UL 555S Leakage Class I
APPLICATION
Model FSD-311V is a vertical blade class I leakage rated combi- UL555 1 1/2 Hour Fire Resistance Rating
nation fire smoke damper. High strength airfoil blades ensure the
Model FSD-311V meets the requirements for fire
lowest resistance to airflow in HVAC systems with velocities to 4000
dampers, smoke dampers and combination fire
fpm (20.3m/s) and 4 in. wg (1.0 kPa).
smoke dampers establishe

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Pressure drop data Fsd-311V This pressure drop testing was conducted in accordance with AMCA Standard 500-D using the three configurations shown. All 3 3 data has been corrected to represent standard air at a density of .075 lb/ft (1.2 kg/m ). Actual pressure drop found in any HVAC system is a combination of many factors. This pressure drop information along with an analysis of other system influences should be used to estimate actual pressure losses for a damper installed in a given HVAC s

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5D 6D AmCA 5.2 Pressure drop Fsd-311V 5D 4 (W) (H) D 3.14 * Sizes are in inches. 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36in. x 36 in. (914mm x 914mm) 12in. X 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm) Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) 500 0.03 500 0.01 500 0.01 500

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AmCA 5.3 Pressure drop Fsd-311V 5D 6D 5D 4 (W) (H) D 3.14 * Sizes are in inches. 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36in. x 36 in. (914mm x 914mm) 12in. X 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm) Pressure Drop Pressure Drop Pressure Drop Pressure Drop Pressure Drop Velocity (fpm) (in. wg) Velocity (fpm) (in. wg) Velocity (fpm) (in. wg)Velocity (fpm) (in. wg)Velocity (fpm) (in. wg) 500 0.01 500 0.01 500 0.01 500 0.0

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5D 6D 5D 4 (W) (H) D 3.14 AmCA 5.5 Pressure drop Fsd-311V * Sizes are in inches. 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36in. x 36 in. (914mm x 914mm) 12in. X 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm) Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) 500 0.04 500 0.03 5000.0350

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Transitioned damper dimensions When a combination fire smoke damper is being used in conjunction with round or oval ductwork, the FSD-311V can be supplied in a factory sleeve with round or oval transitions on both ends of the sleeve. Dampers should be ordered to the duct dimensions. Drawings below show overall damper size. D* + 2 in. (51mm) +T s W* + 2 in. (51mm)+T s W* + 2 in. (51mm)+T s D* + 2 in. (51mm)+T s H* + 2 in. (51mm)+T H* + 2 in. (51mm)+T s s H* 1 H*