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Application
Model SMD-301V is a vertical blade low leakage rated smoke
damper. High strength airfoil blades insure lowest resistance to
airflow in HVAC systems with velocities to 4000 fpm (20.3m/s) and
4 in. wg (1.0 kPa).
UL555S Leakage Rating
Leakage Class:
Operational Rating
Maximum Velocity:
Maximum Pressure:
Maximum Temperature:
Standard Construction
Frame:
Blades:
Seals:
Linkage:
Axles:
Bearings:
Size Limitations:
Minimum Size:
Maximum Size:
Single Section:
Multiple Section:
Optional Features:
• OCI (Open closed indication switches)
• Electric or pneumatic actuators to accomplish smoke
management and system functions.
• Transitions (R, C, O)
• POC retaining angles
• Momentary Switch
• Sealed transitions and sleeves
I
2000 fpm (20.3 m/s) up to
100 in. x 32 in. H
(2540mm x 813mm) or
4000 fpm (20.3 m/s) up to
50 in. x 32 in. (1270mm x 813mm)
4 in. wg (1 kPa)
350ºF (177ºC)
5 in. x 1 in. (127mm x 25mm)
galvanized steel hat channel with
reinforced corners. A low profile
head and sill are used on sizes
less than 17 in. (432mm) high to
maximize free area and
performance.
Double skin airfoil shape of
galvanized steel with full length
structural reinforcement. 14 ga.
(2 mm) equivalent thickness.
Extruded silicone rubber blade
seals. Flexible stainless steel
jamb seals.
Concealed in jamb.
/
in. (13mm) dia. plated steel.
1
2
304 stainless steel
6 in. W x 8 in. H
(152mm W x 203mm H)
50 in. W x 32 in. H
(1270mm W x 813mm H)
100 in. W x 32 in. H
(2540mm W x 813mm H)
Model SMD-301V meets the requirements for smoke
dampers established by:
National Fire Protection Association
NFPA Standards 92A, 92B, 101 & 105
IBC International Building Codes
New York City (MEA listing #260-91-M)
CSFM California State Fire Marshal
Leakage (Smoke) Damper Listing (#3230-0981:104)
"UL CLASSIFIED (see complete marking on
product)"
"UL CLASSIFIED to Canadian safety standards
(see complete marking on product)"
Standard 555S (Listing #R13317)
W*
H*
*W&H dimensions furnished approximately
Installation instructions available at www.greenheck.com
Model SMD-301V
Smoke Dampers
Steel Airfoil Blades
UL 555S Leakage Class I
1
/
in. (6mm) undersize.
4
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Summary of Contents for Greenheck Smoke Dampers SMD-301V
- Page 1 Application Model SMD-301V is a vertical blade low leakage rated smoke damper. High strength airfoil blades insure lowest resistance to airflow in HVAC systems with velocities to 4000 fpm (20.3m/s) and 4 in. wg (1.0 kPa). UL555S Leakage Rating Leakage Class: Operational Rating Maximum Velocity: 2000 fpm (20.3 m/s) up to...
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Page 2: Pressure Drop Data
Pressure Drop Data This pressure drop testing was conducted in accordance with AMCA Standard 500-D using the three configurations shown. All data has been corrected to represent standard air at a density of .075 lb/ft 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 system. - Page 3 AMCA 5.2 Pressure Drop * Sizes are in inches. 12 in. x 12 in. (305mm x 305mm) Velocity (fpm) 1000 1500 2000 2500 3000 3500 4000 24 in. x 24 in. (610mm x 610mm) Pressure Drop Velocity (in. wg) (fpm) 0.03 0.12 1000...
- Page 4 * Sizes are in inches. 12 in. x 12 in. (305mm x 305mm) Pressure Drop Velocity (fpm) (in. wg) 0.01 1000 0.06 1500 0.13 2000 0.23 2500 0.37 3000 0.53 3500 0.73 4000 0.95 4 (W) (H) 3.14 24 in. x 24 in. (610mm x 610mm) Pressure Drop Velocity (fpm) (in.
- Page 5 AMCA 5.5 Pressure Drop 12 in. x 12 in. (305mm x 305mm) Velocity (fpm) 1000 1500 2000 2500 3000 3500 4000 24 in. x 24 in. (610mm x 610mm) Pressure Drop Velocity (in. wg) (fpm) 0.04 0.18 1000 0.42 1500 0.75 2000 1.17...
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Page 6: Specifications
AMCA Standard 500-D. The basis of design is Greenheck Model SMD-301V. (54mm) 16 in. (406mm) Min. in. (3mm) undersize. Copyright ©2007 Greenheck Fan Corporation SMD-301V Rev 3 June 2007 (54mm) TYPE C...