DIMENSIONAL DATA | SPECIFICATIONS |
Damper Sizing Information |
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The following figure shows maximum damper section size.
Multi Section
Single Section
1270mm
H
813mm 1626mm
w
914mm x 914mm or
813mm x 1270mm
Damper Sleeve Dimensional Data
The drawings below and corresponding table show the position of the
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| 38mm max. | The “A” dimension is the location of the damper mounted in a | |||
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| factory sleeve. The table below shows the Standard, Minimum, | |||
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| and Maximum “A” dimensions. |
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| "A" Dimension |
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| 95mm |
| Standard | Minimum | Maximum |
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| All Dampers | 183mm | 137mm | 406mm |
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| 1All dampers w/o OCI. |
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| 152mm | Varies |
| Note: Entire damper frame is not required to be installed | |||
| 137mm |
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| within the wall. |
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LH | RH |
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| The damper blades, when closed, should be contained | |||
| Right hand drive is shown | A | 127mm | ||||
| Left hand drive available upon request |
| in the wall. |
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| Sleeve Length |
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Specifications
Fire Dampers meeting the following specifications shall be furnished and installed where shown on plans and/or as described in schedules. Dampers shall meet the requirements of the latest edition of NFPA 80, 90A and 101.
Dampers shall be tested, rated and labeled in accordance with the latest edition of UL Standard 555. Dampers shall have a UL 555 fire rating of 11⁄2 hours. Each damper shall be equipped with a heat responsive device which has been tested and approved for use with the damper assembly in accordance with UL 555. The heat responsive device shall have a temperature rating of (specifier select one of the following) 74ºC, 100ºC, 141ºC, or 177ºC. Dampers shall be UL labeled for use in dynamic systems. The damper shall have a dynamic closure pressure rating of 1 kPa.
Damper actuator shall be manual quadrant. Manufacturers submittal data shall indicate actuator space requirements around the damper.
The Damper Manufacturers submittal data shall certify all air performance pressure drop data is licensed in accordance with the AMCA Certified Ratings
Program for Test Figures 5.2, 5.3 and 5.5. Damper air performance data shall be developed in accordance with the latest edition of AMCA Standard
Damper blades shall be 1.5mm galvanized steel 3V type with three longitudinal grooves for reinforcement. Blades shall be completely symmetrical relative to their axle pivot point, presenting identical resistance to airflow and operation in either direction through the damper (blades that are
Damper frame shall be 16 gauge galvanized steel formed into a structural hat channel shape with reinforced corners. Bearings shall be sintered bronze, permanently lubricated, synthetic (acetal) sleeve type rotating in extruded holes in the damper frame for maximum service. Axles shall be square and positively locked into the damper blade. Jamb seals shall be stainless steel compression type.
Basis of design is Greenheck Model
GREENHECK
Greenheck Kunshan Co Ltd.
17 Qunyi Minying District • Kunshan Economic &
Technical Development Zone
Kunshan, Jiangsu, China 215300
Tel:
www.greenheck.com
Copyright © 2005 Greenheck Fan Corpation
