On-Line Catalog : Actuators > Pneumatic > 331-2998
Model 331-2998 8-13 spring range 20-25 psi
Application
The 331-2998 actuator is intended for the operation of smoke and fire/smoke dampers used in HVAC systems. The actuator will meet the requirements of UL 555 and UL 555S when assembled on a UL listed/labeled damper for this application.Documents
- Access Doors & Panels
- Accessories
- Actuators
- Electric - 2-position / spring return
- Electric - floating / non-spring return
- Electric - modulating / non-spring return
- Electric - modulating / spring return
- Pneumatic
- Actuator Sizing Chart
- Backdraft Dampers
- Ceiling Radiation Dampers
- Control Dampers
- Fire Dampers
- Fire-Smoke Dampers
- Louvers
- Acoustical Louvers
- Brick Vents
- Extruded Aluminum Louvers
- Combination Louver
- Drainable Blade
- Drainable Head"
- Miami-Dade Certified
- Non-Drainable Blade
- EFJ-245 - j-blade / 2" deep
- EFJ-430 - j-blade / 4" deep / 30°
- EFJ-437 - j-blade / 4" deep / 37½°
- EFJ-445 - j-blade / 4" deep / 45°
- EFJ-645 - j-blade / 6" deep
- EFK-430 - k-blade / 4" deep / 30°
- EFK-437 - k-blade / 4" deep / 37½°
- EFK-445 - k-blade / 4" deep / 45°
- EFK-637 - k-blade / 6" deep
- EFY-245 - inverted Y-blade
- EFY-445- inverted Y-blade
- Operable Blade
- Sand Louver
- Wind-Driven Rain
- Equipment Screens
- Formed Metal Louvers
- Brochures, Color Chart and General Information
- Smoke Dampers
- Technical Information
- CAD Drawings
- CSI Formatted Specifications
- Installation Instructions