Specifications – Series RG

Fixed Horizontal Blade Return Grille
RG-1 – Surface Mount
RG-6 – T-bar Lay-in
RG-8 – Tegular T-bar
RG-9 – Bolt Slot/Donn Fineline Lay-in

Air Inlets shall be model RG-AL manufactured by GREENHECK constructed of aluminum.
Air Inlets shall be model RG-E manufactured by GREENHECK constructed of extruded aluminum.
Air Inlets shall be model RG-S manufactured by GREENHECK constructed of steel.

Units shall be return or exhaust grilles with a single set of fixed deflection blades, border shall be 1 1/4" wide with aerodynamically shaped deflector blades on .666" centers set at 45°.

The units shall be the size and quantity as outlined in the plans and specifications. Units shall be designed to integrate into the specified ceiling system.

Optional Hinged Face 
Units with H-1 or H-6 frames shall include a hinged face with retaining clips, allowing access to concealed equipment. The units shall be the size and quantity as outlined in the plans and specifications.

Optional Removable Face
Units with RC-1 or RC-6 frames shall include a removable face with retaining clips, allowing access to concealed equipment. The units shall be the size and quantity as outlined in the plans and specifications.

For Surface mounting:
Units shall be designed for surface mounting applications and be provided with counter sunk screw holes on the face of the device.

For T-Bar Lay-in:
Units shall be designed to integrate into the specified ceiling system. 

Damper Accessories (Optional)
Optional opposed blade damper shall be constructed of steel (model OBD) or aluminum (model OBDA). Damper must be operable from the face of the diffuser.

Performance Specification
The manufacturer shall provide published performance data. Data shall be tested in accordance to ANSI/ASHRAE Standard 70- 2006

Paint Specification
Process shall be anodic electrodeposition using an anodic acrylic paint. Units shall undergo pre‐ treatment including a pressurized spray stage using an alkaline cleaner and a de‐ionized water rinse.