Class II Single Thickness Blade Smoke Damper

Actuator must be controlled by a smoke detection system.

Quick Specs

Model:	SG2
Filter:	SG2250,SG225034,SG2350
Depth:	5½"
Orientation:	Vertical or Horizontal
Frame Material:	16 ga. Galvanized Steel
Frame Type:	Hat Channel; Flat Head and Sill for sizes thru 13" High
Blade Material:	16 ga. Single Thickness Galvanized Steel
Blade Action:	Parallel
Blade Seals:	Silicone
Jamb Seals:	Stainless Steel
Bearings:	Oil Impregnated Bronze
Axles:	Plated Solid Steel Sub
Linkage:	Plated Steel Angle and Crank Plates with Stainless Steel Pivots In-Jamb or On-Blade
Stops:	18 ga. Galvanized Steel Angles at Head and Sill
Sleeves:	20 ga. Galvanized
Actuator:	Electric 120V, 24V, or 230V / Pneumatic Factory installed for power-open/spring-close (fail close) operation External Left Hand Mount
Finish:	Mill
Max Differential Pressure:	4 in. w.g.
Max Velocity:	2000 or 3000 FPM
Leakage Rating:	10 cfm per ft² Max at 1 in. w.g. 20 cfm per ft² Max at 4 in. w.g.

*Dampers smaller than minimum frame size require transitions.

Transitions:	No Sleeve, Side Plate, Round or Oval Short Width (<8") and/or Short Height (<6")
Sleeves:	Optional Gauges and Depths 18" to 24" Standard
Integral Dual Position Indication Switches
Smoke Detectors:	SM-501 Flow Rated (10" Minimum) 2151 No-Flow Rated (12" Minimum)
Flanges:	Front, Rear or Both
Retaining Angles:	Tab Lock 1 or 2 Sets
Axle and Bearings:	Stainless Steel
Remote Test Boxes:	Momentary Test Switch Option
Copper Tubing:	For Pneumatic Actuators
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