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  Fixed Blade Returns  
       
 
Model 30 / 35

Application

  • Recommended for general return or exhaust of room air
  • 0° or 45° fixed blade deflection maximizes free area for low pressure loss and sound levels
  • Potential line of sight into duct thru grille is acceptable
  • Typically installed in a sidewall, duct, or ceiling
Product Features
  • Fixed blade return / exhaust grilles and registers exceeding the industry standard using heavy, 20 gauge steel frames
  • Aerodynamic blade design resulting in lowest achievable sound and pressure levels
  • 3/4" or 1/2" blade spacing
  • Blades selected as horizontal or vertical for visual effect
  • Registers include a factory attached, steel opposed blade volume control damper
  • Mounting holes in frame neatly countersunk for supplied #8 x 1-1/2" oval head screws
  • Arctic White baked-on finish
  • Maximum size one piece construction is 48" x 48". Larger sizes shipped in multiple sections for field assembly.
Options
  • 304 or 316 stainless steel construction with satin polish finish
  • Factory applied gasket material to frame
  • Aluminum or stainless steel opposed blade volume control dampers
  • Custom or optional paint colors
  • Filler panels for lay-in grid applications


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


Model E30
Enhanced Capacity Return Grilles

Application

  • Recommended for general return or exhaust of room air
  • Enhanced blade design for high capacity applications
  • Limited “line of sight” into duct is acceptable
  • Typically surface installed in the side wall, duct, or ceiling
Product Features
  • Available in steel using heavy, 20 gauge steel frames, or corrosion resistant aluminum materials
  • 45° fixed blade deflection, 3/4” spacing
  • Blades selected as horizontal or vertical for visual effect
  • Mounting holes in frame neatly countersunk for supplied #8 x 1-1/2” oval head screws
  • Arctic White baked-on finish
Options
  • Registers include a factory attached, steel opposed blade volume control damper
  • Factory applied gasket material to frame
  • Aluminum opposed blade volume control dampers
  • Custom or optional paint colors
 
Balancing
Factors

Extension Panels

   
   
       
Submittals
Model Blade
Spacing
Blade
Deflection
Material
Steel Aluminum Stainless Steel
Surface Mounted
30 3/4"
45°
35 1/2"  
45°  
Surface Mounted - Enhanced Capacity
E30 3/4" 45°  
Lay-In T-Bar
30 3/4"
45°
35 1/2"  
45°  
Lay-In T-Bar with Extension Panel
30 3/4"  
45°  
35 1/2"  
45°  
9/16" Narrow Slot with Extension Panel
35 1/2"    
45°    
Tegular with Extension Panel
35 1/2" N/A N/A
45° N/A N/A
30 3/4" N/A N/A
45° N/A N/A
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°
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

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