Perforated Ceiling Diffuser - Model 7550/7550R

Perforated Ceiling Diffuser - Model 7550/7550R

Series 7550 steel perforated supply/return ceiling diffusers are an excellent choice for VAV applications. Four adjustable pattern controllers mounted on the hinged diffuser face permit adjustability from vertical to horizontal discharge patterns. Matching returns(7550R), Aluminum(7550 AL), and Aluminum with steel backpan(7550 AF) models are also available in this series.

  • Series 7550 perforated supply diffusers have 4 adjustable pattern controllers mounted on the face of the diffuser
  • Series 7550 are square neck diffusers
  • The hinged, fully removable face allows access to the pattern controllers
  • Unit can be adjusted for 1-way, 2-way opposite, 2-way corner, 3-way, and 4-way patterns. In 4-way pattern, Series 7550 provides a 360°tight horizontal circular pattern along the ceiling
  • Border type 6 can be used in surface mounting applications by adding optional T-bar plaster frame (TBPF)
  • Matching returns available: 7500R (round neck) and 7550R (square neck)
  • Models

    7550-1 Surface Mount
    7550-1-DF Surface Mount Drop Face
    7550-1-AF Surface Mount Aluminum Face
    7550-6 T-Bar Lay-in Steel
    7550-6-AF T-Bar Lay-in Aluminum Face
    7550-6-AL T-Bar Lay-in Aluminum
    7550-8 Tegular Steel
    7550-8-AF Tegular Aluminum Face
    7550-8-AL Tegular Aluminum
    7550-9 Donn Fineline / Bolt Slot Steel
    7550R-1 Surface Mount
    7550R-1-DF Surface Mount Drop Face
    7550R-1-AF Surface Mount Aluminum Face
    7550R-6 T-Bar Lay-in Steel
    7550R-6-AF T-Bar Lay-in Aluminum Face
    7550R-6-AL T-Bar Lay-in Aluminum
    7550R-8 Tegular Steel
    7550R-8-AF Tegular Aluminum Face
    7550R-8-AL Tegular Aluminum
    7550R-9 Donn Fineline / Bolt Slot Steel

    01 White
    02 Satin Silver
    03 Black
    22 Black Back Pan
    28 Custom Color (color match required)

Technical specification
  • Unique ref.Perforated-Ceiling-Diffuser-7550-7550R
  • Collection setGrilles, Registers & Diffusers
  • CollectionCeiling Diffusers
  • Date of publishing2020-11-10
  • Edition number1
  • Material mainSteel
  • Material secondaryAluminum
  • Designed inUnited States
  • Manufactured inUnited States
  • BIMobject CategoryHVAC - Ductwork
  • IFC classificationAir Terminal
  • UNSPSC nameAir diffusers
  • UNSPSC code40101505
  • Uniclass 1.4 CodeL747361
  • Uniclass 1.4 DescriptionDiffusers
  • Uniclass 2.0 CodePR-65-06-02
  • Uniclass 2.0 DescriptionAir Diffusers
  • Uniclass 2015 CodePr_70_65_04_02
  • Uniclass 2015 DescriptionAir diffusers
  • NBS Reference Code65-06-02
  • NBS Reference DescriptionAir Diffusers
  • CSI MasterFormat 2014 Code23 37 13
  • CSI MasterFormat 2014 TitleDiffusers, Registers, and Grilles
  • OmniClass Number23-33 49 11 11
  • CSI UniFormat II CodeD30
  • CSI UniFormat II TitleHVAC

Region availability

North America
United States