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  Model AC Fixed Blade Returns  
       
 
Model AC
Laying Ceiling Return Grilles

Application

  • Recommended for general return or exhaust of room air
  • Where reduced border width is preferred over larger “surface” frame
  • 45° fixed blade deflection eliminates line of sight into ductwork. 0° straight blade maximizes core area
  • Designed for use in conventional 15/16" inverted
    T-bar or 9/16" narrow slot type suspended ceiling grid systems
Product Features
  • Fixed blade return / exhaust grilles and registers exceeding the industry standard using heavy steel or extruded aluminum frames
  • 1/2" or 3/4" blade spacing
  • Blades are parallel to long dimension
  • Registers include a factory attached, steel opposed blade volume control damper
  • Arctic White baked-on finish
Options
  • 304 or 316 stainless steel construction with satin polish finish
  • Aluminum or stainless steel opposed blade volume control dampers
  • Custom or optional paint colors
  • Light shield for ceiling plenum return applications
 
Balancing
Factors


Submittals
Model Blade
Spacing
Blade
Deflection
Material
Steel Aluminum Stainless Steel
Lay-In T-Bar, 23/32" Narrow Border
AC30 3/4" N/A
45°
AC35 1/2" N/A
45° N/A
9/16" Narrow Slot
AC30 3/4" N/A
45°
ACE30 3/4" 40°
AC35 1/2" N/A
45° N/A
Snap-In Grid
AC30 3/4" N/A
45°
AC35 1/2" N/A
45° N/A
Semi-Concealed Spline / Grid
AC30 3/4"
45°

Accessories
OBD - Opposed Blade Volume Control Damper
SRA - Square to Round Adapter
LS - Light Shield
RSA - Return Sound Attenuator
Concealed Fastening