The Gardner Denver™ DuroFlow® Family of Products
For nearly fifty years, Gardner Denver™ DuroFlow® positive displacement blowers/ vacuum pumps have combined leading-edge technology and on-the-job experience to continuously deliver enhanced designs and improved performance.
For nearly fifty years, Gardner Denver™ DuroFlow® positive displacement blowers/ vacuum pumps have combined leading-edge technology and on-the-job experience to continuously deliver enhanced designs and improved performance.
                    Unit of Measure
                    
               
        
            
                        Dimensions
                            |
                        Pressure Performance Data
                            |
                        Vacuum Performance Data
                            |
                        Reach Higher with the DuroFlow® 45 Series
                            |
                        Specifications
                            |
                        Applications to Meet Your Industry Needs
                            |
                        At-A-Glance Features
                            |
                        Durable
                            |
                        Reliable
                            |
                        Efficient
                            |
                        Flex-Mount™ Design Provides Maximum Installation Versatility
                            |
                        Genuine Gardner Denver™ Parts and Lubricants
                            |
                        Quality Promise
                            |
                        Additional Information
                            |
                        Note
                
            
            Dimensions
                                                                                Weight | 
                                                                        N/A 1100 lb | 
                                                                                Port Size Connection | 
                                                                        N/A 12 in | 
                                                                                Connection Type | 
                                                                        N/A Flanged | 
                                                                                Shaft Diameter | 
                                                                        N/A 2.50 in | 
                                                                                Mounting Bolt Hole Diameter | 
                                                                        N/A 0.88 in | 
                                                                                A | 
                                                                        N/A 46.44 in | 
                                                                                B | 
                                                                        N/A 23.62 in | 
                                                                                C | 
                                                                        N/A 17.25 in | 
                                                                                D | 
                                                                        N/A 5.62 in | 
                                                                                E | 
                                                                        N/A 18.00 in | 
                                                                                F | 
                                                                        N/A 22.00 in | 
                                                                                G | 
                                                                        N/A 26.50 in | 
                                                                                H | 
                                                                        N/A 15.00 in | 
                                                                                J | 
                                                                        N/A 2.75 in | 
                                                                                K | 
                                                                        N/A 15.25 in | 
                                                                                L | 
                                                                        N/A 8.25 in | 
                                                                                M | 
                                                                        N/A 11.75 in | 
                                                                                N | 
                                                                        N/A 24.47 in | 
                                                                                P | 
                                                                        N/A 3.50 in | 
                                                                                Q | 
                                                                        N/A 9.00 in | 
                                                                                R | 
                                                                        N/A 11.00 in | 
                                                                                S | 
                                                                        N/A 13.25 in | 
                                                                                T | 
                                                                        N/A 7.50 in | 
Pressure Performance Data
                                                                                Speed for Pressure Performance | 
                                                                        N/A 1500 rpm1800 rpm2600 rpm | 
                                                                                Airflow at 4 psig Pressure and 1500 rpm Speed | 
                                                                        N/A 41.9 bhp1709 ft³/min | 
                                                                                Airflow at 4 psig Pressure and 1800 rpm Speed | 
                                                                        N/A 51.5 bhp2162 ft³/min | 
                                                                                Airflow at 4 psig Pressure and 2650 rpm Speed | 
                                                                        N/A 80.8 bhp3370 ft³/min | 
                                                                                Airflow at 6 psig Pressure and 1500 rpm Speed | 
                                                                        N/A 61.6 bhp1578 ft³/min | 
                                                                                Airflow at 6 psig Pressure and 1800 rpm Speed | 
                                                                        N/A 75.2 bhp2037 ft³/min | 
                                                                                Airflow at 6 psig Pressure and 2650 rpm Speed | 
                                                                        N/A 115.0 bhp3245 ft³/min | 
                                                                                Airflow at 8 psig Pressure and 1500 rpm Speed | 
                                                                        N/A 81.4 bhp1479 ft³/min | 
                                                                                Airflow at 8 psig Pressure and 1800 rpm Speed | 
                                                                        N/A 98.9 bhp1932 ft³/min | 
                                                                                Airflow at 8 psig Pressure and 2650 rpm Speed | 
                                                                        N/A 149.2 bhp3140 ft³/min | 
                                                                                Airflow at 10 psig Pressure and 1500 rpm Speed | 
                                                                        N/A 101.1 bhp1386 ft³/min | 
                                                                                Airflow at 10 psig Pressure and 1800 rpm Speed | 
                                                                        N/A 122.6 bhp1839 ft³/min | 
                                                                                Airflow at 10 psig Pressure and 2650 rpm Speed | 
                                                                        N/A 183.5 bhp3047 ft³/min | 
                                                                                Airflow at 12 psig Pressure and 1500 rpm Speed | 
                                                                        N/A 120.9 bhp1,303 ft³/min | 
                                                                                Airflow at 12 psig Pressure and 1800 rpm Speed | 
                                                                        N/A 146.3 bhp1756 ft³/min | 
                                                                                Airflow at 12 psig Pressure and 2650 rpm Speed | 
                                                                        N/A 217.7 bhp2964 ft³/min | 
Vacuum Performance Data
                                                                                Speed for Vacuum Performance | 
                                                                        N/A 1500 rpm1800 rpm2650 rpm | 
                                                                                Airflow at 8 inHg Vacuum and 1500 rpm Speed | 
                                                                        N/A 1622 ft³/min62.7 bhp | 
                                                                                Airflow at 8 inHg Vacuum and 1800 rpm Speed | 
                                                                        N/A 2075 ft³/min50.6 bhp | 
                                                                                Airflow at 8 inHg Vacuum and 2650 rpm Speed | 
                                                                        N/A 79.6 bhp3283 ft³/min | 
                                                                                Airflow at 12 inHg Vacuum and 1500 rpm Speed | 
                                                                        N/A 1393 ft³/min60.6 bhp | 
                                                                                Airflow at 12 inHg Vacuum and 1800 rpm Speed | 
                                                                        N/A 1846 ft³/min73.9 bhp | 
                                                                                Airflow at 4 inHg Vacuum and 1500 rpm Speed | 
                                                                        N/A 21.8 bhp1847 ft³/min | 
                                                                                Airflow at 4 inHg Vacuum and 1800 rpm Speed | 
                                                                        N/A 27.4 bhp2300 ft³/min | 
                                                                                Airflow at 4 inHg Vacuum and 2650 rpm Speed | 
                                                                        N/A 45.9 bhp3508 ft³/min | 
                                                                                Airflow at 6 inHg Vacuum and 1500 rpm Speed | 
                                                                        N/A 31.5 bhp1732 ft³/min | 
                                                                                Airflow at 6 inHg Vacuum and 1800 rpm Speed | 
                                                                        N/A 39.0 bhp2185 ft³/min | 
                                                                                Airflow at 6 inHg Vacuum and 2650 rpm Speed | 
                                                                        N/A 41.2 bhp3393 ft³/min | 
                                                                                Airflow at 10 inHg Vacuum and 1500 rpm Speed | 
                                                                        N/A 50.9 bhp1510 ft³/min | 
                                                                                Airflow at 10 nHg Pressure and 1800 rpm Speed | 
                                                                        N/A 62.3 bhp1963 ft³/min | 
                                                                                Airflow at 10 inHg Vacuum and 2650 rpm Speed | 
                                                                        N/A 96.4 bhp3171 ft³/min | 
                                                                                Airflow at 12 inHg Vacuum and 2650 rpm Speed | 
                                                                        N/A 113.2 bhp3054 ft³/min | 
                                                                                Airflow at 14 inHg Vacuum and 1500 rpm Speed | 
                                                                        N/A 70.3 bhp1266 ft³/min | 
                                                                                Airflow at 14 inHgg Pressure and 1800 rpm Speed | 
                                                                        N/A 85.6 bhp1719 ft³/min | 
                                                                                Airflow at 14 inHg Vacuum and 2650 rpm Speed | 
                                                                        N/A 130.0 bhp2927 ft³/min | 
                                                                                Airflow at 15 inHg Vacuum and 1800 rpm Speed | 
                                                                        N/A 91.4 bhp1650 ft³/min | 
                                                                                Airflow at 15 inHg Vacuum and 2650 rpm Speed | 
                                                                        N/A 138.4 bhp2858 ft³/min | 
                                                                                Airflow at 16 inHg Vacuum and 2650 rpm Speed | 
                                                                        N/A 146.8 bhp2784 ft³/min | 
Reach Higher with the DuroFlow® 45 Series
                                                                                Cylinder Design | 
                                                                        N/A One Piece Cylinder | 
                                                                                Cylinder Design for Competitor A | 
                                                                        N/A Two Piece Cylinder | 
                                                                                Cylinder Design for Competitor B | 
                                                                        N/A One Piece Cylinder | 
                                                                                Cylinder Rib Design | 
                                                                        N/A Integral Cylinder Ribs | 
                                                                                Cylinder Rib Design for Competitor A | 
                                                                        N/A Minimal Cylinder Ribs | 
                                                                                Cylinder Rib Design for Competitor B | 
                                                                        N/A Minimal Cylinder Ribs | 
                                                                                Drive End Bearings | 
                                                                        N/A Oversized Double Row Ball Angular Contact (Drive and Non-drive Shafts) | 
                                                                                Drive End Bearings for Competitor A | 
                                                                        N/A Single Row Ball (Non-Drive Shaft) | 
                                                                                Drive End Bearings for Competitor B | 
                                                                        N/A Cylindrical Roller | 
                                                                                Dual Splash Lubrication | 
                                                                        N/A Common Oil Sump | 
                                                                                Dual Splash Lubrication for Competitor A | 
                                                                        N/A Separate Oil Reservoirs | 
                                                                                Dual Splash Lubrication for Competitor B | 
                                                                        N/A Separate Oil Reservoirs | 
                                                                                Gear Type | 
                                                                        N/A Helical | 
                                                                                Gear Type for Competitor A | 
                                                                        N/A Straight Spur | 
                                                                                Gear Type for Competitor B | 
                                                                        N/A Helical | 
                                                                                Gear Attachments | 
                                                                        N/A Spline Gear Fit | 
                                                                                Gear Attachments for Competitor A | 
                                                                        N/A Taper Gear Fit | 
                                                                                Gear Attachments for Competitor B | 
                                                                        N/A Keyed Interference Fit | 
                                                                                Shaft Seal and Seal Surface | 
                                                                        N/A Viton Lip Seal with O-Rings Wear Sleeve | 
                                                                                Shaft Seal and Seal Surface for Competitor A | 
                                                                        N/A Viton Lip Seal on Shaft | 
                                                                                Shaft Seal and Seal Surface for Competitor B | 
                                                                        N/A Lip Seal on Shaft | 
                                                                                DuroFlow® Advantages for Cylinder Design | 
                                                                        N/A Easier assembly/Disassembly Ensures better tip clearance accuracy More rigid and durable Noise and pulsation dampening | 
                                                                                DuroFlow® Advantages for Cylinder Rib Design | 
                                                                        N/A Improves heat dissipation Reduces torsion on cylinder | 
                                                                                DuroFlow® Advantages for Drive End Bearings | 
                                                                        N/A Better equipped to handle radial and axial loads commonly caused by misaligned V-belt drives Increases bearing life | 
                                                                                DuroFlow® Advantages for Dual Splash Lubrication | 
                                                                        N/A Simpler maintenance | 
                                                                                DuroFlow® Advantages for Gear Type | 
                                                                        N/A Quiet and smooth mechanical operation Reduces backlash | 
                                                                                DuroFlow® Advantages for Gear Attachments | 
                                                                        N/A Eliminates timing loss and improves reliability | 
                                                                                DuroFlow® Advantages for Shaft Seal and Seal Surface | 
                                                                        N/A Extended shaft life Improves sealing method | 
Specifications
                                                                                Pressure | 
                                                                        N/A Up to 15 psig | 
                                                                                Vacuum | 
                                                                        N/A Up to 16 inHg | 
                                                                                Airflow | 
                                                                        N/A Up to 4282 ft³/min | 
                                                                                Standard Temperature | 
                                                                        N/A 68 ºF | 
                                                                                Ambient Pressure | 
                                                                        N/A 14.7 psia | 
                                                                                Relative Humidity | 
                                                                        N/A 36 % | 
                                                                                Industry Standards/Certifications | 
                                                                        N/A Compressed Air and Gas Institute (CAGI) Energy Star Partner ISO 9001:2008 | 
                                                                                Brands | 
                                                                        N/A DuroFlow® Gardner Denver™ | 
Applications to Meet Your Industry Needs
                                                                                Industry | 
                                                                        N/A Aquaculture Cement & Lime Chemical Dairy Dry Bulk Hauling Environmental Services Industrial Milling & Baking Power Generation Pulp & Paper Resin & Plastic Vacuum Excavation Wastewater | 
                                                                                Application for Aquaculture Industry | 
                                                                        N/A Aeration | 
                                                                                Application for Cement and Lime Industry | 
                                                                        N/A Fluidization and Conveying | 
                                                                                Application for Chemical Industry | 
                                                                        N/A Vacuum Processing and Conveying | 
                                                                                Application for Dairy Industry | 
                                                                        N/A Automated Milking | 
                                                                                Application for Dry Bulk Hauling Industry | 
                                                                        N/A Trailer Unloading and Aeration | 
                                                                                Application for Environmental Services Industry | 
                                                                        N/A Sewer Cleaning and Portable Restroom Services | 
                                                                                Application for Industrial Industry | 
                                                                        N/A Material Vacuuming | 
                                                                                Application for Milling and Baking Industry | 
                                                                        N/A Blending and Conveying | 
                                                                                Application for Power Generation Industry | 
                                                                        N/A Fly Ash Conveying and Aeration | 
                                                                                Application for Pulp and Paper Industry | 
                                                                        N/A Chip Conveying and Process Vacuum | 
                                                                                Application for Resin and Plastic Industry | 
                                                                        N/A Processing and Conveying | 
                                                                                Application for Vacuum Excavation Industry | 
                                                                        N/A Potholing and Slurry Recovery | 
                                                                                Application for Wastewater Industry | 
                                                                        N/A Aeration and Backwashing | 
At-A-Glance Features
                                                                                At-A-Glance Features | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          
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Durable
                                                                                Durable | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          
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Reliable
                                                                                Reliable | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          
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Efficient
                                                                                Efficient | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          
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Flex-Mount™ Design Provides Maximum Installation Versatility
                                                                                Flex-Mount™ Design Provides Maximum Installation Versatility | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          
  | 
                                                    
Genuine Gardner Denver™ Parts and Lubricants
                                                                                Genuine Gardner Denver™ Parts and Lubricants | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          
  | 
                                                    
Quality Promise
                                                                                Quality Promise | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          
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Additional Information
                                                                                Additional Information | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          Experience Proven Results with Gardner Denver™ - the Leader in Durability, Reliability and Efficiency Reman (re¯ man´) n. A Gardner Denver™ positive displacement blower expertly assembled from genuine remanufactured and new parts 
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