SD36 SMOKE DAMPER UL555S Leakage Class 2 Classified
March 9, 2020
DFD35SS UL 555 1.5 hr. Dynamic, V-Groove Blade, 2,000 fpm and 4″ w.g. max, Optional Sleeve
March 9, 2020
SD35 SMOKE DAMPER UL555S Leakage Class 3 Classified
SD35 SMOKE DAMPER
UL555S Leakage Class 3 Classified
The SD35 is a UL555S Classified Leakage Class III smoke damper. It features:
- UL555S Class III.
- 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.
Description
APPLICATION
The SD35 is a low leakage rated smoke damper used in ducts that penetrate smoke rated barriers. The SD35 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 SD35 may be installed vertically (with blades running horizontally) or horizontally and is rated for airflow and leakage in either direction.
OPTIONS
- FM Approvals as Specification Tested Product.
- Blade Seals Silicone edge type, mechanically fastened to the blade edge, for the smoke seal to 450°F (232°C).
- DSDF/DSDN Duct Smoke Detector (Flow rated or No-Flow).
- SP100 Switch Package to remotely indicate a 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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