Specifications – Series SG-AF

Single Deflection Airfoil Supply Grilles and Registers
SG41-AF-1 – Surface Mount
SG41-AF-6 – T-bar Lay-In

Air Outlets shall be model SG41 with airfoil blades (AF) manufactured by GREENHECK. Units shall be single deflection supply grilles of aluminum (AL) or steel (S) construction with a single set of deflection blades with vertical (V) or horizontal (H) blade orientation. The units shall be the size and quantity as outlined in the plans and specifications.

Border shall be 1 1/4" wide with airfoil shaped deflector blades on 2/3”" centers. Deflector blades shall be individually adjustable. Blades shall pivot in friction mounting retainers. Retainers shall hold the deflector blade position throughout the specified operating range of the device.  

Metal friction wires are not acceptable.

Double Deflection Airfoil Supply Grilles and Registers
SG42-AF-1 – Surface Mount
SG42-AF-6 – T-bar Lay-In

Air Outlets shall be model SG42 with airfoil blades (AF) manufactured by GREENHECK. Units shall be double deflection supply grilles of aluminum (AL) or steel (S) construction with vertical (V) or horizontal (H) front blades and a rear sets of deflection blades. The units shall be the size and quantity as outlined in the plans and specifications.

Border shall be 1 1/4" wide with airfoil shaped deflector blades on 2/3" centers. Deflector blades shall be individually adjustable. Blades shall pivot in friction mounting retainers. Retainers shall hold the deflector blade position throughout the specified operating range of the device. 

Metal friction wires are not acceptable.

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.