APPLICATION
MODEL KFSD-111 is a UL 555 & UL555S Classified combination fire smoke damper used in dynamic smoke management system and to be used in partitions with fire resistance ratings of less than 3 hours.
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.
• CLOSURE DEVICE.
Electronic Fusible link RS-100 with closure temperature of 165° F (74°C) (others available)
• BEARINGS
Sintered bronze, oil impregnated.
• AXLES
1/2" (12.7mm) square zinc plated steel studs.
• LINKAGE
0.12 x 0.50 (3x12.7mm) zinc 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 36"(914mm) Height.
FEATURES
*Each damper is marked with a UL555 & UL555S Classified fire Smoke damper label for use in Dynamic system.
*Meets NFPA 90A, 92A&B criteria for primary fire smoke dampers in walls and floors with fire resistance ratings of less than 3 hours.
OPTIONS
• CLOSURE DEVICE: RS-200, FUSIBLE LINK, RL.
• 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.
KFSD-111 Class I
