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M-FR, MA-FR Fire Rated Series
Square/ Round Diffusers
Built with heavy-duty margin and a one-piece removable center core which features multiple concentric deflecting louvers, the M-FR, MA-FR series is a cost-effective solution for your facility. The integral deflector blades offer a horizontal ceiling pattern or a vertical downward pattern.
- M-FR is available for fixed horizontal discharge pattern and MA-FR is available for adjustable discharge pattern
- UL Classified Fire Rated Assembly in steel construction that comes with a three-hour fire rated damper and a thermal insulating blanket
- Individual louvers feature a horizontal lip to create a tight ceiling pattern even at reduced air flows that provides an excellent mixing of air in your facility
Product Application
M-FR and MA-FR models are UL classified ceiling diffusers recommended for use in three-hour fire rated, exposed grid, suspended ceilings. These diffusers are available in 4-way, 3-way, 2-way, and 1-way patterns providing versatility in performance and flexibility in design.
Features
- The modules are available in 24"x24" or 12"x12" inches.
- Thermal insulation blanket is constructed of non-asbestos material
- Diffusers are in accordance with UL 263 and meet NFPA 90A requirements
- Available accessories include Extended Neck (EX) for ease of duct connection, fusible volume adjustment fire damper (FV) and 165°F Fusible Link (212°F Standard) (FS)
- Louvers are spaced on 1-1/2” centers
- Available in lay-in T-bar frame style only
- The finish is White (WH) electrocoat in an anodic paint, baked at 315°F for 30 minutes with a pencil hardness HB to H
- The manufacturer provides published performance data tested in accordance with ANSI/ASHRAE Standard 70-1991
Benefits
Easy Access
The removable center core provides easy access for regular cleaning and maintenance without the use of tools.
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