Dampers, Shutters & Louvers
S&P's dampers, shutters & louvers are available in standard configurations to meet the highest level of performances while ensuring aesthetic appeal. The comprehensive line is designed for the best airflow control in commercial, residential, and multi-family applications.
Download the Commercial Damper, Shutter, and Louver Brochure
411
Non-flanged horizontal mount exhaust backdraft damper
- Sizes available: 8"W x 8"H to 30"W x 30"H
- Galvanized Steel frame with aluminum blades
- Maximum free area velocity - 2000 fpm
- Optional motor pack available (411611)
- Use in roof curbs, duct work or wall collars when using a fan or power roof ventilator
611
Non-flanged horizontal mount exhaust backdraft damper
- Sizes available: 34"W x 34"H to 48"W x 48"H
- Galvanized Steel frame with aluminum blades
- Maximum free area velocity - 2250 fpm
- Optional motor pack available (411611)
- Use in roof curbs, duct work or wall collars when using a fan or power roof ventilator
502
Rear flanged low velocity gravity exhaust shutter
- Sizes available: 10"W x 10"H to 24"W x 24"H
- Galvanized Steel frame with aluminum blades
- Maximum free area velocity - 2000 fpm
- Use with direct or belt drive exhaust fans
- For vertical mounting only
556
Rear flanged general purpose exhaust shutter
- Sizes available: 12"W x 12"H to 48"W x 48"H
- Single or Double Panel
- Galvanized Steel frame with aluminum blades
- Maximum free area velocity - 2500 fpm
- Optional motor pack available (EAS)
- Use with direct or belt drive exhaust fans
- For vertical mounting only
EAS-RF
Rear flanged exhaust shutter for areas where corrosion may be a problem
- Sizes available: 12"W x 12"H to 48"W x 48"H
- Single or Double Panel
- Aluminum frame and blades
- Maximum free area velocity - 2500 fpm
- Optional motor packs available (EAS)
- Use with direct or belt drive exhaust fans
- For vertical mounting only
EAS-HDGS
Rear flanged exhaust shutter for applications that require higher velocities.
- Sizes available: 12"W x 12"H to 48"W x 48"H
- Single or Double Panel
- Aluminum frame and blades, stainless steel tie rods
- Maximum free area velocity - 3250 fpm
- Use with direct or belt drive exhaust fans
- For vertical mounting only
FGS
Rear flanged exhaust shutter for areas where corrosion is a known problem
- Sizes available: 12"W x 12"H to 48"W x 48"H
- Single or Double Panel
- Heavy-duty fiberglass pultrusion frame and blades, stainless steel tie rods
- Maximum free area velocity - 2500 fpm
- Use with direct or belt drive exhaust fans in chemical plants and poultry/swine confinement operations
- For vertical mounting only
304SS
Rear flanged exhaust shutter for areas that require extreme corrosion resistance
- Sizes available: 12"W x 12"H to 36"W x 36"H
- 304 stainless steel fame and blades, stainless steel tie rods
- Maximum free area velocity - 2500 fpm
- Use with direct or belt drive exhaust fans in chemical plants and food processing operations
- For vertical mounting only
EASB & EASW
Rear flanged exhaust shutter for areas where corrosion is a known problem
- Sizes available: 36", 39", 51", 54" square
- Painted extruded aluminum frame with UV stabilized PVC blades with yellow zinc dichromate rods
- Maximum free area velocity - 1500 fpm
- Use with direct or belt drive cone or slant-wall exhaust fans in poultry or swine confinement areas
- For vertical mounting only
- Available in white or black
Backdraft and Motorized Dampers
ACD
Extruded aluminum motorized volume control damper
- Sizes available: 12"W x 12"H to 48"W x 48"H
- Extruded aluminum hat channel frame with extruded aluminum blades
- Internally mounted factory installed 100-240 volt power open / spring close motor with an end switch
- Maximum free area velocity - 3500 fpm
- Use in exhaust or supply applications
- For vertical or horizontal mounting (typically walls or curbs)
AMD
Heavy duty motorized volume control damper
- Sizes available: 12"W x 12"H to 48"W x 48"H
- Extruded aluminum frame and blades
- Internally mounted factory installed 120/240 volt power open / spring close motor with an end switch
- Maximum free area velocity - 3500 fpm
- Use in exhaust or supply applications
- For vertical or horizontal mounting (typically walls or curbs)
GMD
Heavy duty motorized volume control damper
- Sizes available: 12"W x 12"H to 48"W x 48"H
- Galvanized steel frame and blades
- Internally mounted factory installed 120/240 volt power open / spring close motor with an end switch
- Maximum free area velocity - 3500 fpm
- Use in exhaust or supply applications
- For vertical or horizontal mounting (typically walls or curbs)
MD
Motorized Damper
- Sizes 4-14
- Normally closed, power open, 24V or 120V motorized damper for round ducts.
- Control the sequencing of outside air in forced air systems.
- Motorized Damper Kits. View here.
ACL
Extruded aluminum combination louver/damper
- Sizes available: 18"W x 18"H to 48"W x 48"H
- Offers superior resistance to rain and weather
- Ability to completely close the opening if needed
- Standard birdscreen on the interior
- Extruded aluminum frame
- Drainable style 45 degree extruded aluminum blades
- Optional motor packs available (MTR-ACL)
ADL
Aluminum door louver
- Can be used to transfer air through any barrier
- Ideal for use with 1-38" to 2-1/4" thick wood or metal doors
- Extruded aluminum frame and blades
- 204-R1 clear anodized finish
SDL
Steel door louver
- Can be used to transfer air through any barrier
- Ideal for use with 1-38" to 2-1/4" thick wood or metal doors
- Cold rolled steel frame and blades
- Gray primer finish
AFL
Aluminum fixed louver
- Sizes available: 18"W x 18"H to 48"W x 48"H
- Provide good protection from rain and weather at an economical price
- Standard birdscreen on back
- Aluminum frame
- K-style non-drainable 45 degree aluminum blades
GFL
Galvaneal steel fixed louver
- Sizes available: 18"W x 18"H to 48"W x 48"H
- Provide good protection from rain and weather at an economical price
- Standard birdscreen on back
- Galvaneal steel frame
- K-style non-drainable 45 degree galvaneal steel blades
DFL
Drainable extruded aluminum fixed louver
- Sizes available: 18"W x 18"H to 48"W x 48"H
- Drainable blade design channels water away from the blades and down the jambs
- Standard birdscreen on back
- Extruded aluminum frame
- Drainable style 45 degree extruded aluminum blades