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| Model |
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| Smoke Dampers |
Application | Steel 3V Blades | |
UL 555S Leakage Class I |
Model |
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blades. The | Model | ||
4 in. wg (1 kPa) for operational closure in emergency smoke control | dampers established by: | ||
situations. Model | National Fire Protection Association | ||
ning horizontally) or horizontally and is rated for airflow and leakage in | NFPA Standards 92A, 92B, 101 & 105 | ||
either direction. |
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| IBC International Building Codes | ||
Ratings |
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UL 555S leakage class I | New York City (MEA listing | ||
Leakage: | CSFM California State Fire Marshal | ||
| (to 6 in. wg [1.5 kPa] ).Leakage rated | Leakage (Smoke) Damper Listing | |
| in both directions | ||
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Pressure: | 4 in. wg (1 kPa) - differential pressure. |
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| Consult factory for sizes available in |
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| 6 in. wg (1.5 kPa). |
| |
Velocity: | Operational rated to 2000 fpm | “UL CLASSIFIED (see complete marking on | |
| (10.2 m/s). Rating is for airflow in | ||
| product)” | ||
| either direction through damper. | ||
| “UL CLASSIFIED to Canadian safety standards | ||
Temperature: | 350°F (177°C) depending on the | ||
(see complete marking on product)” |
actuator | Standard 555S (Listing #R13317) |
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Standard Construction
Frame: | 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. |
Blades: | 16 ga. (1.5mm) galvanized steel, |
| reinforced with 3 longitudinal |
| structurally designed vee’s. |
Seals: | Flexible stainless steel jamb seals. |
| Extruded silicone rubber blade seals |
Linkage: | Concealed in jamb. |
Axles: | 1⁄2 in. (13mm) dia. plated steel |
Bearings: | Bronze sleeve type |
Size Limitations
Minimum Size: | 8 in. W x 6 in. H |
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Maximum Size: | (203mm W x 152mm H) |
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Single Section - | 32 in. W x 50 in. H |
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| (813mm W x 1270mm H) |
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| 36 in. W x 48 in. H |
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| (914mm W x 1219mm H) |
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Multiple Section - | 144 in. W x 100 in. H | LH |
| (3658mm W x 2540mm H) | |
| 288 in. W x 50 in. H |
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| (7315 mm W x 1270mm H) |
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Greenheck Fan Corporation certifies that the model
W*
Optional Features
•Galvanized steel sleeves.
•Stainless steel bearings
•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
•Smoke detectors
•Sealed transition and sleeves
•Fail Open
H*
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 instruction available at www.greenheck.com