Leakage Class I The SD60 is a UL555S Classified Leakage Class I smoke damper.
March 9, 2020
SD35 SMOKE DAMPER UL555S Leakage Class 3 Classified
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SD36 SMOKE DAMPER UL555S Leakage Class 2 Classified
SD36 SMOKE DAMPER
UL555S Leakage Class 2 Classified
- The SD36 is a UL555S Classified Leakage Class II smoke damper. It features:
- UL555S Class II.
- Rated to 2,000 fpm and 4″ w.g.
- With the factory furnished actuator, it provides fail-safe operation (the damper automatically goes to the desired fail-safe position when fire interrupts power.)
- Available with factory furnished sleeves.
- Galvanized steel construction.
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Description
APPLICATION
The SD36 is a low leakage rated smoke damper used in ducts that penetrate smoke rated barriers. The SD36 damper is constructed with triple V-groove blades for velocities up to 2,000 fpm (10.2 m/s) and 4″ w.g. (1kPa). The SD36 may be installed vertically (with blades running horizontally) or horizontally and is rated for airflow and leakage in either direction.
OPERATIONAL RATING
Velocity: up to 2000 fpm (10.2 m/s)
Pressure: up to 4 in. wg (1 kPa)
Temperature: 250°F (121°C) or 350°F (177°C)
OPTIONS
- FM Approvals as Specification Tested Product.
- DSDF/DSDN Duct Smoke Detector (Flow rated or No-Flow).
- SP100 Switch Package to allow remote indication damper of damper blade position.
- Sleeves of various lengths and gauges.
- MCP control panels for test purposes or smoke management systems.
- Actuators of various types: electric or pneumatic.
NOTES
Dampers furnished approximately 1/4″ (6) smaller than the given opening dimensions. Dimensions shown in ( ) indicate millimeters.
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