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APPLICATION |
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| Smoke Dampers | |||
Model | Extruded Airfoil Blades | |||||
streamlined extruded airfoil blades insure lowest resistance to airflow in |
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| UL 555S Leakage Class I | |||||
HVAC systems with velocities to 3000 fpm (15.2 m/s) and 6 in. wg (1.5 |
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kPa). Model |
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horizontal) or horizontally and is rated for airflow and leakage in either |
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direction. |
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| dampers established by: | |||
Ratings |
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| National Fire Protection Association | |||
Leakage: | UL 555S leakage class I. Leakage |
| NFPA Standards 92A, 92B, 101 & 105 | |||
Velocity: | rated in both directions |
| IBC International Building Codes | |||
Operational rated to 3000 fpm |
| New York City (MEA listing | ||||
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| (15.2 m/s) for sizes up to |
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| California State Fire Marshall | |||
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| 48 in. W x 108 in. H or 144 in. H x 36 in. H | ||||
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| (1219mm x 2743mm) or |
| Listing#: | ||
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| (3658mm x 914mm) or |
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| 2000 fpm (10.2 m/s) for sizes |
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| greater than that. Rating is for |
| “UL CLASSIFIED (see complete marking on | ||
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| airflow in either direction through |
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| product)” | |||
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| damper. |
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Temperature: | 250°F (121°C) with all actuators. |
| “UL CLASSIFIED to Canadian safety standards | |||
Maximum Pressure: | 6 in. (1.5 kPa) |
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| (see complete marking on product)” | |||||
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Standard Construction |
| Standard 555S (Listing #R13317) | ||||
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Frame: | 5 in. x 1 in. (127mm x 25mm) |
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| galvanized steel hat channel with |
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| reinforced corners. A low profile |
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| head and sill are used on sizes less |
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| than 17 in. (432mm) high to |
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| maximize free area and |
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| performance. |
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Blades: | Airfoil shape constructed of heavy |
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| gauge extruded aluminum. |
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| Structural reinforcement through |
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| the entire length. |
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| Seals: | Extruded silicone rubber blade |
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| seals. Flexible stainless steel jamb seals. |
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Linkage: | Concealed in jamb. |
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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 8 in. H (203mm x 203mm) | LH |
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H* | ||||||
Maximum Size: |
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Single Section: | 48 in. W x 60 in. |
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| (1219mm W x 1524mm H) |
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Multiple Section: | 192 in. W x 72 in. H |
| (4877mm W x 1829mm H) or |
| 48 in. W x 288 in. H |
| (1219mm W x 7315mm H) or |
| 384 in. W x 36 in. H |
| (9754mm W x 914mm H) |
Optional Features:
•Galvanized steel sleeves
•Stainless steel bearings
•OCI (Open closed indication switches)
•Electric or pneumatic actuators to accomplish smoke management and system functions.
•POC retaining angles
•Smoke detector
•Momentary switch
•Transformer
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RH
*W&H dimensions furnished approximately 1/4 in. (6mm) undersize. (Add sleeve thickness for overall sleeved damper dimension)
Right hand drive is shown. Left hand drive is available upon request.
Installation instructions available at www.greeenheck.com
