Product Information

Perforated Face Diffusers

Perforated Face Diffusers

A centrally mounted deflection plate, on supply diffusers, ensures the square ceiling diffusers provide horizontal air patterns in one, two, three or four way configurations without altering the diffuser's outward appearance. When supplied without deflection plates they are suitable for return air applications.


Document Type Document Name Description File Size
Brochure - GRD Product Selection Guide Product Selection Guide for Hart & Cooley's Grilles, Registers and Diffusers.
1.50 MB
HC GRD Catalog - Light Commercial - Steel and Aluminum HC GRD Catalog - Light Commercial - Steel and Aluminum - Square
1.95 MB
 
Document Type Document Name Description File Size

Document Type Document Name Description File Size
Air Diffusion Patterns Air Diffusion Patterns
24.27 KB
Frequently Asked Questions HC Residential GRDs Frequently Asked Questions - H&C Residential GRDs
11.54 KB
GRD Cross Reference GRD Reference Sheet
810.28 KB
GRD Cross Reference (Excel Format) GRD Cross Reference Sheet - Excel format
65.50 KB
Grilles, Registers & Diffusers Engineering Data For a given CFM and chosen register style and location(s), use the chart to select a size that delivers the required CFM at a velocity that is recommended for the particular application or throw requirement.
1.46 MB
Light Commercial Engineering Data - How to Use the Data How to Use the Engineering Data
755.34 KB
Order Form - H&C Grilles Registers Diffusers - excel version GRD Order Form
205.00 KB
Order Form-H&C Grilles Registers Diffusers GRD Order Form
48.18 KB
Recommended Noise Criteria Recommended Noise Criteria
24.27 KB
Velocity Limitations for Various Applications Velocity Limitations for Various Applications
24.27 KB

Document Type Document Name Description File Size
Perforated Grille - ACBPS Supply SD-9421
93.33 KB