Manual de instrucciones de Greenheck Fan Smoke Dampers SMD-301V

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Model SMD-301V
Smoke Dampers
Steel Airfoil Blades
UL 555S Leakage Class I
Application
Model SMD-301V meets the requirements for smoke
Model SMD-301V is a vertical blade low leakage rated smoke dampers established by:
damper. High strength airfoil blades insure lowest resistance to
National Fire Protection Association
airflow in HVAC systems with velocities to 4000 fpm (20.3m/s) and
NFPA Standards 92A, 92B, 101 & 105
4 in. wg (1.0 kPa).
IBC International Building Codes
New York City (MEA

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Pressure Drop Data SMD-301V 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 sys

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5D 6D AMCA 5.2 Pressure Drop SMD-301V 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 SMD-301V 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 SMD-301V 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 5000.03500 0.03 5000.03 1000 0.18

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Transitioned Damper Dimensions When a fire/smoke damper is being used in conjunction with round or oval ductwork, the SMD-301V 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* 2 / 8 in. 1