Class I • Galvanized Steel • Single Thickness Blade • UL Classified Damper
: 16-GA galvanized steel
: 5½" X ⅞" Galvanized steel Hat Channel
: 16-GA Single Thickness Parallel action
: Single Thickness Blade
: Plated Solid Steel stub
: Oil impregnated bronze
: Plated steel angle & crank plates with stainless steel
pivots; In-jamb type or on-blade type
: Stainless steel
Exact Size (no undercut)
Sleeve - Transition
Actuators - 120V, 24V, 230V or 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)
Momentary Test Switch
Remote Test Box
Copper Tubing (for Pneumatic Actuators)
Tab-Lock Retaining Angles - 1 or 2 Sets
Stainless Steel Bearings
Stainless Steel Axles
Short-Width (<8”) and/or Short-Height (<6”) Transitions
Round or Oval Transitions
“A” width and “B” height are opening dimensions. Dampers are provided approximately ¼” undersize.
Damper >= 12” in height with factory mounted SM-501 smoke detectors require a minimum 19” deep sleeve (10.5” on the actuator side); detectors will be mounted on the side of the damper opposite actuator.
Damper < 12” in height with factory mounted SM-501 smoke detectors require a minimum 20 deep sleeve (11.5” on the actuator side); detectors will be mounted on the bottom or top of damper.
Smoke Detectors can be ordered for field mounting with standard 18” deep sleeve.