APPLICATION
MODEL KSD-333 is a UL555S Classified smoke damper used in dynamic smoke management system and to be used in smoke management system and to be used in smoke management system or other application requiring ultra-low leakage rated damper.
Operation & Dynamic closure for Vertical & Horizontal mount with airflow on both sides rated:
- Max Static Pressure: up to 4” W.G (1000Pa)
- Max Velocity: up to 4000 FPM. (20.3m/s)
- Operating Temp: up to 350°F. (177°C)
STANDARD CONSTRUCTION
• FRAME
16 gauge (1.6mm) galvanized steel interlocking hat section channel frame construction.
• BLADES
16 gauge (1.6mm) galvanized 3 "V" formed.
• BEARINGS
Sintered bronze, oil impregnated.
• AXLES
1/2" (12.7mm) square zinc plated steel studs.
• LINKAGE
0.12 x 0.50 (3x12.7mm) zing plated steel concealed in the channel frame.
• FINISH
Mill galvanized.
• BLADES SEALS
Silicone edge type for smoke seal to 450°F (232°C)
• JAMB SEALS
300 Series stainless steel, flexible metal compression type.
• JACK SHAFT
1/2”(12.7mm) diameter zinc plated steel with jack-shaft connector coupling.
• ACTUATOR
Electric spring return 230V, 120V or 24V and pneumatic.
• CAULKING
UL approved silicone sealants: Dow Corning RTV-732, Nuflex 302.
• SLEEVES
Rectangular.
• MINIMUM SIZE Single Section
8" (203mm) Width x 8" (203mm) Height.
• MAXIMUM SIZE Single Section
36" (914mm) Width x 48"(1219mm) Height.
FEATURES
*Each damper is marked with a UL555S Classified Smoke damper label for use in Dynamic system.
*Meets NFPA 90A, 92A&B criteria for smoke dampers.
OPTIONS
• BEARINGS: Stainless steel.
•ACTUATOR MOUNTING: External & internal.
• OPTIONAL MATERIAL: Stainless steel construction.
• SLEEVES: Round, oval and specials.
NOTES
*Dampers furnished approximately 1/4" (6mm) smaller than given duct dimension
*Refer to the KBE Installation Instruction and supplements for complete installation details.