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APPLICATION | Combination Fire Smoke Dampers | ||||
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| Steel Airfoil Blades | |||
Model |
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| UL 555S Leakage Class I | ||||
with extremely low leakage. High strength airfoil blades ensure the |
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| UL555 3 Hour Fire Resistance Rating | ||||
lowest resistance to airflow in HVAC systems with velocities to 2000 |
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fpm (10.2 m/s) and pressures to 4 in. wg (1 kPa). Model | Model | ||||
be installed vertically (with blades running horizontal) and is rated for | |||||
airflow and leakage in either direction. | dampers, smoke dampers and combination fire | ||||
Ratings |
| smoke dampers established by: | |||
| National Fire Protection Association | ||||
UL 555 Fire Resistance Rating |
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| NFPA Standards 80, 90A, 92A, 92B, 101 & 105 | ||
Fire Rating: | 3 hours |
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IBC International Building Codes | |||||
Dynamic Closure Rating: Actual ratings are size dependent | |||||
ICBO Uniform Building Codes | |||||
Max. Velocity: | up to 2000 fpm (10.2 m/s) | ||||
CSFM California State Fire Marshal | |||||
Max. Pressure: | 4 in. wg (1 kPa) | ||||
UL555S Leakage Rating |
| Fire Damper Listing | |||
| Leakage (Smoke) Damper Listing | ||||
Leakage Class: | I | ||||
Operational Rating: | Actual ratings are size dependent | New York City (MEA listing | |||
Max. Velocity: | up to 3000 fpm (15.2m/s) |
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Max. Pressure: | 4 in. wg (1 kPa) |
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Maximum Temperature: 350°F (177°C)- depending upon the | “UL CLASSIFIED (see complete marking on | ||||
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Standard Construction | product)” | ||||
“UL CLASSIFIED to Canadian safety standards | |||||
Frame: | 5 in. x 1 in. (127mm x 25 mm) | (see complete marking on product)” | |||
| Standard 555 & 555S (Listing #R13317) | ||||
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| galvanized steel hat channel with |
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| reinforced corners. A low profile head |
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| and sill are used on sizes less than |
| Greenheck Fan Corporation certifies that the | |
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| 17 in. (432mm) |
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Blades: | Double skin airfoil shape of |
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| bear the AMCA Seal. The ratings shown are | ||||
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| galvanized steel with full length |
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| based on tests and procedures performed | ||
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| structural reinforcement. 14 ga. |
| in accordance with AMCA Publication 511 | |
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| (2 mm) equivalent thickness. |
| and comply with the requirements of the | |
Seals: | Extruded silicone rubber blade seals |
| AMCA Certified Ratings Programs. The | ||
R | AMCA Certified Ratings Seal applies to air | ||||
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| Flexible stainless steel jamb seals. |
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Linkage: |
| performance ratings only. | |||
Concealed in jamb. |
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Closure Device: | RRL 165°F (74°C) |
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Axles: | 1⁄2 in. (13mm) dia. plated steel. |
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Bearings: | Bronze sleeve type. |
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Size Limitations: |
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Minimum Size: | 8 in. W x 6 in. H |
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| (203 mm W x 152mm H) |
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Maximum Size (Vertical Only): |
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Single Section: | 32 in. W x 36 in.H |
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| (813mm W x 914mm H) or |
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| 30 in. W x 48 in. H |
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| (762mm x 1219mm) |
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Multiple Section: | 120 in. W x 96 in. H |
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| (3048mm W x 2438mm H) |
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Optional Features: | LH | H* | |||
• RRL/OCI (Open closed indication switches) |
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• 165ºF (74°C), 212ºF (100°C), 250ºF (121°C), 350ºF (177°C) RRL's |
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available |
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• TOR (remote override closure allows damper to perform smoke |
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management functions during a fire emergency.) |
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| W* |
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• Electric or pneumatic actuators to accomplish smoke management |
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and system functions. |
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• POC retaining angles |
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• Smoke detectors |
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• Momentary Switch | *W&H dimensions furnished approximately 1/4 in. ( 6 mm) undersize. | ||||
• Transitions (R, C, O) | (Add sleeve thickness for overall sleeved damper dimension) | ||||
• PRV (pneumatic relief valve) | |||||
Right hand drive is shown. Left hand drive is available upon request. | |||||
• Security Bars | |||||
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• Sealed transitions and sleeves |
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