A1H SS Smoke Damper

Model:	A1H(SS)
Depth:	5½”
Orientation:	Vertical or Horizontal
Frame Material:	16 ga. 304 Stainless Steel
Frame Type:	Hat Channel; Flat Head and Sill for sizes thru 13″ High
Blade Material:	16 ga. Single Thickness 304 Stainless Steel
Blade Action:	Parallel
Blade Seals:	Silicone
Jamb Seals:	Stainless Steel
Bearings:	304 Stainless Steel
Axles:	Plated Solid Steel Sub
Linkage:	304 Stainless Steel In-Jamb
Stops:	18 ga. 304 Stainless Steel Angles at Head and Sill
Sleeves:	20 ga. Stainless Steel
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:	4 cfm per ft² Max at 1 in. w.g. 8 cfm per ft² Max at 4 in. w.g.

*Dampers smaller than minimum frame size require transitions.

Description

316 Stainless Steel:	Where Available
Transitions:	No Sleeve, Side Plate, Round or Oval Short Width (<16″) and/or Short Height (<8″)
Sleeves:	Optional Gauges and Depths 18″ to 24″ Standard
Integral Dual Position Indication Switches
Smoke Detectors:	SM-501 Flow Rated (10″ Minimum)
Flanges:	Front, Rear or Both
Retaining Angles:	Tab Lock 1 or 2 Sets
Remote Test Boxes:	Momentary Test Switch Option
Copper Tubing:	For Pneumatic Actuators
Transformers
Security Bars