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

M-FR, MA-FR Fire Rated Series

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