Model S3HS. Model S3VS. Vertical Blades, 0 Deflection 3/4" Spacing. Model S3VOS with Opposed Blade Damper Vertical Blades, 0 Deflection 3/4" Spacing

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1 model S3 Steel Return Grilles & Registers 0 Deflection 0 fixed blade deflection maximizes free area for low pressure loss and sound levels Potential line of sight into duct thru grille is acceptable using heavy, 20 gauge steel frames Aerodynamic blade design resulting in lowest achievable sound and pressure levels lades selected as horizontal or vertical for Model S3HS Model S3VS Model S3VOS Model S35VS Model S35VOS Model S3HS Model S3HOS Model S35HS Model S35HOS Model S3VS Model S35VS 0 Vertical Louvers Model S3HS Model S35HS 0 Horizontal Louvers NOM DUCT NOM DUCT - 11/16 1-1/4 1 LADE VOLUME DAMPER NOM DUCT /4-3

2 model S3 Steel Return Grilles & Registers 45 Deflection Model S3VD 45 fixed blade deflection eliminates line of sight into ductwork NO SIGHT D E SIG N using heavy, 20 gauge steel frames lades selected as horizontal or vertical for Model S3HD Model S3VD Model S3VOD Model S35VD Model S35VOD Model S3HD Model S3HOD Model S35HD Model S35HOD Model S3VD Model S35VD 45 Vertical Louvers Model S3HD Model S35HD 45 Horizontal Louvers 1 NOM DUCT /4 NOM DUCT - 11/16 NOM DUCT /4 LADE VOLUME DAMPER -4

3 model X3 Aluminum Return Grilles & Registers 0 Deflection 0 fixed blade deflection maximizes free area for low pressure loss and sound levels Potential line of sight into duct thru grille is acceptable using corrosion resistant aluminum materials Aerodynamic blade design resulting in lowest achievable sound and pressure levels lades selected as horizontal or vertical for Model X3HS Model X3VS Model X3VOS Model X35VS Model X35VOS Model X3HS Model X3HOS Model X35HS Model X35HOS Model X3VS Model X35VS 0 Vertical Louvers Model X3HS Model X35HS 0 Horizontal Louvers NOM DUCT - 11/ /32 1-3/8 LADE VOLUME DAMPER 3-5/8-5

4 model X3 Aluminum Return Grilles & Registers 45 Deflection Model X3VD 45 fixed blade deflection eliminates line of sight into ductwork NO SIGHT D E SIG N using corrosion resistant aluminum materials lades selected as horizontal or vertical for Model X3HD Model X3VD Model X3VOD Model X35VD Model X35VOD Model X3HD Model X3HOD Model X35HD Model X35HOD Model X3VD Model X35VD 45 Vertical Louvers Model X3HD Model X35HD 45 Horizontal Louvers NOM DUCT - 15/ /32 1-3/8 3-5/8 LADE VOLUME DAMPER -6

5 model AC Lay-In Ceiling Return Grilles of room air Where reduced border width is preferred over larger surface frame Reduced order! 45 fixed blade deflection eliminates line of sight into ductwork. 0 straight blade maximizes core area Designed for use in conventional 15/16" inverted T-bar or 9/16" narrow slot type suspended ceiling grid systems registers exceeding the industry standard using heavy steel or extruded aluminum frames 1/2" or 3/4" blade spacing lades are parallel to long dimension opposed blade volume control damper Model SAC3LD LAY-IN T-AR 9/16" NARROW SLOT satin polish finish volume control dampers Light shield for ceiling plenum return applications LAY-IN T-AR STEEL ALUM. STEEL W/O ALUM. W/O 3/4" SPACING 1/2" SPACING 3/4" SPACING 1/2" SPACING 45 DEFL. 0 DEFL. 45 DEFL. 0 DEFL. 45 DEFL. 0 DEFL. 45 DEFL. 0 DEFL. SAC3LD SAC3LS SAC35LD SAC35LS SAC3LD-D SAC3LS-D SAC35LD-D SAC35LS-D SAC3LOD SAC3LOS SAC35LOD SAC35LOS SAC3LOD-D SAC3LOS-D SAC35LOD-D SAC35LOS-D XAC3LD XAC3LS XAC35LD XAC35LS XAC3LD-D XAC3LS-D XAC35LD-D XAC35LS-D XAC3LOD XAC3LOS XAC35LOD XAC35LOS XAC3LOD-D XAC3LOS-D XAC35LOD-D XAC35LOS-D MODULE SIZE MODEL SAC3LOD / XAC3LOD (Shown) = MODULE SIZE - 1 MODEL SAC3LOS / XAC3LOS (Shown) LADE DAMPER 3-3/4 OPEN 45 CORE 0 CORE 1-15/32 23/32 TYP. 3/4 TYP 3/4 TYP NOM MODULE SIZE - 1/4 AVAILALE MODULE SIZES 9/16 NARROW SLOT SNAP-IN 12 X X X X 48 Note: lades are Parallel to Longer Dimension as Standard -8

6 model SE3/XE3 Enhanced Capacity Returns 45 Deflection Enhanced blade design for high capacity applications Limited line of sight into duct is acceptable Typically surface installed in the side wall, duct, or ceiling Available in steel using heavy, 20 gauge steel frames, or corrosion resistant aluminum materials 45 fixed blade deflection, 3/4 spacing lades selected as horizontal or vertical for for supplied #8 x 1-1/2 oval head screws Aluminum opposed blade volume control dampers ALUMINUM STEEL Model SE3VD Model SE3VOD Model XE3VD Model XE3VOD Model SE3HD Model SE3HOD Model XE3HD Model XE3HOD (HORIZONTAL LOUVERS SHOWN) NOM DUCT HEIGHT + R NOM DUCT - 11/16 1-1/4 3/4 NOM DUCT WIDTH + R D Z S3E (STEEL) 1 3-1/4 X3E (ALUM) 1-3/8 3-5/8 R /4 D Z LADE DAMPER -16