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| Smoke Dampers | |
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| Steel Airfoil Blades | |
Application |
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| UL 555S Leakage Class I | ||
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Model |
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low leakage. The | Model | ||||
damper and smoke damper. High strength airfoil blades insure | dampers established by: | ||||
lowest resistance to airflow in HVAC systems with velocities to | National Fire Protection Association | ||||
3000 fpm (15.2m/s) and 4 in. wg (1.0 kPa) Model | |||||
NFPA Standards 92A, 92B, 101 & 105 | |||||
installed vertically (with blades running horizontal) or horizontally | |||||
IBC International Building Codes | |||||
and is rated for airflow and leakage in either direction. | |||||
New York City (MEA listing | |||||
UL555S Leakage Rating |
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| CSFM California State Fire Marshal | ||||
Leakage Class: | I | ||||
Leakage (Smoke) Damper Listing | |||||
Operational Rating |
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Maximum Velocity: | 3000 fpm (15.2 m/s) |
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Maximum Pressure: | 4 in. wg (1 kPa) |
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Maximum Temperature: 350ºF (177ºC) depending on |
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| actuator | “UL CLASSIFIED (see complete marking on | ||
Standard Construction | |||||
product)” | |||||
Frame: | 5 in. x 1 in. (127mm x 25mm) | “UL CLASSIFIED to Canadian safety standards | |||
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| galvanized steel hat channel with | (see complete marking on product)” | ||
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| reinforced corners. A low profile |
| Standard 555S (Listing #R13317) | |
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| head and sill are used on sizes less |
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| than 17 in. (432mm) high to |
| Greenheck Fan Corporation certifies that the | |
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| maximize free area and |
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| model | ||
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| performance. |
| bear the AMCA Seal. The ratings shown are | |
Blades: | Double skin airfoil shape of |
| based on tests and procedures performed | ||
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| galvanized steel with full length |
| in accordance with AMCA Publication 511 | |
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| structural reinforcement. 14 ga. |
| and comply with the requirements of the | |
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| R | AMCA Certified Ratings Programs. The | ||
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| (2 mm) equivalent thickness. |
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Seals: |
| AMCA Certified Ratings Seal applies to air | |||
Extruded silicone rubber blade |
| performance ratings only. | |||
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| seals. Flexible stainless steel jamb |
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| 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:
Minimum Size: | 8 in. W x 6 in. H |
Maximum Size: | (203mm W x 152mm H) |
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Single Section: | 32 in. W x 50 in. H |
| (813mm W x 1270mm H) |
Multiple Section: | 128 in. W x 100 in. H |
| (3251mm W x 2540mm H) or |
| 256 in. W x 50 in. H |
| (6502mm W x 1270mm H) |
Optional Features: |
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• 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 |
LH
W*
H*
RH
• Sealed transitions and sleeves |
• Fail open |
*W&H dimensions furnished approximately 1/4 in. (6mm) undersize. Right hand drive is shown. Left hand drive is available upon request. Damper also may be rotated 180° in the field for opposite side drive.
(Add sleeve thickness for overall sleeved damper dimension)
Installation instructions available at www.greenheck.com
