Steel double deflection supply grille, 3/4" blade spacing, front blades parallel to long dimension

Titus’ 300/350 Series supply grilles define the standard for the industry. With high quality and competitive pricing these grilles form the back bone of a standard offering that will meet any application requirements.

Feature and Benefits:

• Available with front louvers vertical or horizontal
• Optional opposed blade damper has screwdriver adjustment accessible through face of register
• Front and rear louvers are individually adjustable
• Insect and debris screens are not available when dampers are fitted
• Material is steel
• #8 x 11/4” lg. Phillip’s flat head sheet metal screws (painted)
• All dimensions are ± 1/16”

Suggested Division 15 Specifications
300 Series    

Steel Supply Grilles

Model Description:
300RL

Steel supply grilles shall be TITUS Model 300R (double deflection) of the sizes and mounting types shown on the plans and outlet schedule. The deflection blades shall be available parallel to the long dimension of the grille. Construction shall be of steel with a 1¼-inch wide border on all sides. Screw holes shall be countersunk for a neat appearance.  Corners shall be welded with full penetration resistance welds.

Deflection blades shall be contoured to a specifically designed and tested cross-section to meet published test performance data. Blades shall be spaced on ¾-inch centers. Blades shall have steel friction pivots on both ends to allow individual blade adjustment without loosening or rattling. Plastic blade pivots are not acceptable.

Optional opposed-blade volume damper shall be constructed of heavy gauge steel. Damper must be operable from the face of the grille.

The grille finish shall be #26 white.  The finish shall be an anodic acrylic paint, baked at 315°F for 30 minutes.  The pencil hardness must be HB to H.  The paint must pass a 100-hour ASTM B117 Corrosive Environments Salt Spray Test without creepage, blistering or deterioration of film.  The paint must pass a 250-hour ASTM D870 Water Immersion Test. The paint must also pass the ASTM D2794 Reverse Impact Cracking Test with a 50-inch pound force applied.

The manufacturer shall provide published performance data for the grille. The grille shall be tested in accordance with ANSI/ASHRAE Standard 70-1991.