KA2
Smoke Damper
Leakage Class II • Airfoil Blade • 250°F or 350°F • UL Classified Smoke Damper
STANDARD CONSTRUCTION
Frame
Frame Type
Blade
Blade Type
Axle materials
Axle Bearings
Linkage
Blade Seal
Jamb Seal
: 16-GA galvanized steel
: 5½" X ⅞" Galvanized steel Hat Channel
: 20-GA Double skin ( equivalent to 14-GA )
: Airfoil type
: Plated Solid Steel stub
: Oil impregnated bronze
: Plated steel angle & crank plates with stainless steel
pivots; In-jamb type or on-blade type
: Silicone
: Stainless steel
OPTIONS
-
Exact Size (no undercut)
-
Flange - Front, Rear or Both
-
Actuators - 120V, 24V, 230V, Pneumatic
-
Right Hand and/or Internal Actuator Mounting Locations (Restrictions Apply)
-
Dual Position Indication (IDPI) Switches
-
Model SM-501 Flow-Rated Smoke Detector
-
Model 2151 No-Flow Smoke Detector (12” Minimum Damper Height)
-
Remote Test Box
-
Momentary Test Switch
-
Transformers
-
Tab-Lock Retaining Angles - 1 or 2 sets
-
Stainless Steel Bearings
-
Stainless Steel Axles
-
Copper Tubing (pneumatic actuator)
-
Sleeves of Various Depths and Gauge Thicknesses (restrictions apply)
-
No Sleeve or Sideplate (restrictions apply)
-
Round or Oval Transitions
-
Security Bars
-
Short-Width (<8”) and/or Short-Height (<6”) Transitions
DATA SHEETS
-
Installation Instruction
-
Supplementry Information
NOTES
-
Damper frames are provided approximately ¼” undersized. The addition of a sleeve will increase the size of the assembly.
-
Dampers >= 12” in height with factory mounted SM-501 smoke detectors require a minimum 19” deep sleeve (10.5” on actuator side); detectors will be mounted on side of damper opposite actuator.
-
Damper <12” in height with factory mounted SM-501 smoke detectors require a minimum 20” deep sleeve (11.5” on actuator side) and detectors will be mounted on bottom (or top) of damper.
-
Smoke detectors can be ordered for field mounting with standard 18” deep sleeves.