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  Model PD - Perforated Diffuser with Stamped Curved Pattern Controllers  
       
 
Application
  • Supply air diffuser that provides a horizontal air pattern along the ceiling
  • Excellent VAV characteristics for maintaining pattern at reduced air flow
  • Designed for constant or variable air volume heating, cooling, or ventilating
  • Surface mounted or suspended grid system installations
Product Features
  • Steel construction with baked-on Arctic white finish (entire assembly)
  • Core consists of 4 stamped, curved blade deflectors that are neck mounted and off the face to help mask appearance from the room
  • Field configurable 1, 2, 3, or 4 way blow patterns without changes in sound or pressure
  • Vertically projected air pattern is achievable by turning deflector blades down.
  • Removable perforated face uses concealed spring clips. Pattern is 3/16” diameter holes on 1/4” centers, 50% free area.
  • 5 frame styles for lay-in T-bar, surface mount, concealed spline, tegular, and 9/16” narrow slot suspended grid systems
Options
  • Black painted back pan and deflectors
  • Aluminum face only, 304 stainless steel face only, 304 stainless steel construction – entire diffuser
  • Custom or optional paint colors
  • Model VD butterfly volume control damper (round necks)
  • Model OB1 opposed blade volume control damper (square necks)
  • Model TBF auxiliary mounting frame for hard / plaster ceilings
 
Features at a Glance

     
     
       
Submittals
Model Features Mounting
PD-L Round
&
Square
Necks
15/16" Lay-In T-Bar
PD-L9 9/16" Lay-In T-Bar
PD-F Surface Mounted
PD-D 9/16" Narrow Slot
PD-T Tegular
PD-C Concealed Spline

Accessories
OBD - Opposed Blade Volume Control Damper
SRA - Square to Round Adapter
VD - Butterfly Volume Control Damper
LD - Louver Damper
TBF - T-Bar Mounting Frame
CED - Equalizing Deflector