HB-330
The HB-330 heavy duty industrial backdraft damper features a double flanged galvanized steel frame and double thickness fabricated airfoil blades. External heavy duty linkage, blade counterbalance and ball bearings all are standard.
- Pressure: Up to 20 in. wg (5 kPa)
- Velocity: Up to 6400 fpm (32.5 m/s)
- Temperature: -40°F to 250°F (-40°C to 121°C)
- Submittals
- Catalogs
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                                                                        Instruction Manuals
                                                                        
                                                                    
                                                                    - HB Series (#469620 IOM) Supplements
- Damper Maintenance
 
- Specifications
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                                                                            Drawings 
                                                                            
                                                                        
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                                                                                STATIC MODEL DOWNLOAD3D CAD2D CAD       HB-330 HB-330
 
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- Other Product Information
- Warranty
 
         
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