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All Categories > Blowers & Vacuum Pumps > DuroFlow® Industrial Series Positive Displacement Blowers with Vacuum Pump > Item # 4509  
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Item # 4509, DuroFlow® Industrial 45 Series Model 4509 Positive Displacement Blower with Vacuum Pump
List Price QUOTE


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.




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  · 45 Series Design Advantages  · Striving for More  · Additional Information  · Note

Dimensions

Weight
260 lb

Port Size Connection
4 in
5 in

Connection Type
NPT

Shaft Diameter
1.44 in

Mounting Bolt Hole Diameter
0.69 in

A
24.45 in

B
17.54 in

C
11.88 in

D
4.93 in

E
9.75 in

F
17.50 in

G
6.87 in

H
11.50 in

J
7.00 in

K
11.35 in

L
5.62 in

M
9.10 in

N
14.03 in

P
2.25 in

Q
4.87 in

R
8.75 in

S
3.50 in

T
5.75 in

U
3.44 in

V
3.50 in


Pressure Performance Data

Speed for Pressure Performance
1750 rpm
2950 rpm
4000 rpm

Airflow at 4 psig Pressure and 2950 rpm Speed
16.3 bhp
626 ft³/min

Airflow at 4 psig Pressure and 4000 rpm Speed
25.8 bhp
891 ft³/min

Airflow at 6 psig Pressure and 2950 rpm Speed
22.7 bhp
600 ft³/min

Airflow at 6 psig Pressure and 4000 rpm Speed
34.6 bhp
864 ft³/min

Airflow at 8 psig Pressure and 2950 rpm Speed
29.2 bhp
577 ft³/min

Airflow at 8 psig Pressure and 4000 rpm Speed
43.4 bhp
842 ft³/min

Airflow at 10 psig Pressure and 2950 rpm Speed
35.7 bhp
558 ft³/min

Airflow at 10 psig Pressure and 4000 rpm Speed
52.1 bhp
822 ft³/min

Airflow at 12 psig Pressure and 2950 rpm Speed
42.2 bhp
540 ft³/min

Airflow at 12 psig Pressure and 4000 rpm Speed
60.9 bhp
805 ft³/min

Airflow at 15 psig Pressure and 2950 rpm Speed
51.9 bhp
516 ft³/min

Airflow at 15 psig Pressure and 4000 rpm Speed
74.1 bhp
781 ft³/min

Airflow at 4 psig Pressure and 1750 rpm Speed
8.4 bhp
324 ft³/min

Airflow at 6 psig Pressure and 1750 rpm Speed
12.2 bhp
297 ft³/min

Airflow at 8 psig Pressure and 1750 rpm Speed
16.1 bhp
275 ft³/min

Airflow at 10 psig Pressure and 1750 rpm Speed
19.9 bhp
255 ft³/min

Airflow at 12 psig Pressure and 1750 rpm Speed
23.8 bhp
238 ft³/min


Vacuum Performance Data

Speed for Vacuum Performance
1750 rpm
2950 rpm
4000 rpm

Airflow at 4 inHg Vacuum and 2950 rpm Speed
9.2 bhp
655 ft³/min

Airflow at 4 inHg Vacuum and 4000 rpm Speed
15.7 bhp
919 ft³/min

Airflow at 6 inHg Vacuum and 2950 rpm Speed
12.2 bhp
631 ft³/min

Airflow at 6 inHg Vacuum and 4000 rpm Speed
19.5 bhp
895 ft³/min

Airflow at 8 inHg Vacuum and 2950 rpm Speed
15.1 bhp
607 ft³/min

Airflow at 8 inHg Vacuum and 4000 rpm Speed
872 ft³/min
23.3 bhp

Airflow at 10 inHg Vacuum and 2950 rpm Speed
18.1 bhp
584 ft³/min

Airflow at 10 inHg Vacuum and 4000 rpm Speed
27.0 bhp
848 ft³/min

Airflow at 12 inHg Vacuum and 4000 rpm Speed
824 ft³/min
30.8 bhp

Airflow at 12 inHg Vacuum and 2950 rpm Speed
21.1 bhp
559 ft³/min

Airflow at 14 inHg Vacuum and 2950 rpm Speed
24.0 bhp
532 ft³/min

Airflow at 14 inHg Vacuum and 4000 rpm Speed
34.6 bhp
797 ft³/min

Airflow at 15 inHg Vacuum and 2950 rpm Speed
25.5 bhp
517 ft³/min

Airflow at 15 inHg Vacuum and 4000 rpm Speed
36.5 bhp
782 ft³/min

Airflow at 4 inHg Vacuum and 1750 rpm Speed
4.4 bhp
352 ft³/min

Airflow at 6 inHg Vacuum and 1750 rpm Speed
6.2 bhp
328 ft³/min

Airflow at 8 inHg Vacuum and 1750 rpm Speed
8.1 bhp
305 ft³/min

Airflow at 10 inHg Vacuum and 1750 rpm Speed
9.9 bhp
281 ft³/min

Airflow at 12 inHg Vacuum and 1750 rpm Speed
11.7 bhp
257 ft³/min

Airflow at 16 inHg Vacuum and 2950 rpm Speed
27.0 bhp
502 ft³/min

Airflow at 16 inHg Vacuum and 4000 rpm Speed
766 ft³/min
38.4 bhp


Reach Higher with the DuroFlow® 45 Series

Model
5 sizes

Models for Competitor A
4 sizes

Models for Competitor B
4 sizes

Cylinder Design
One Piece Cylinder

Cylinder Design for Competitor A
Two Piece Cylinder

Cylinder Design for Competitor B
One Piece Cylinder

Cylinder Rib Design
Integral Cylinder Ribs

Cylinder Rib Design for Competitor A
Minimal Cylinder Ribs

Cylinder Rib Design for Competitor B
Minimal Cylinder Ribs

Drive End Bearings
Oversized Double Row Ball Angular Contact (Drive and Non-drive Shafts)

Drive End Bearings for Competitor A
Single Row Ball (Non-Drive Shaft)

Drive End Bearings for Competitor B
Cylindrical Roller

Dual Splash Lubrication
Common Oil Sump

Dual Splash Lubrication for Competitor A
Separate Oil Reservoirs

Dual Splash Lubrication for Competitor B
Separate Oil Reservoirs

Gear End Bearings
Roller Bearing

Gear End Bearings for Competitor A
Single Row Ball

Gear End Bearings for Competitor B
Double Row Ball

Gear Type
Helical

Gear Type for Competitor A
Straight Spur

Gear Type for Competitor B
Helical

Gear Attachments
Spline Gear Fit

Gear Attachments for Competitor A
Taper Gear Fit

Gear Attachments for Competitor B
Keyed Interference Fit

Impeller Tips
Serrated

Impeller Tips for Competitor A
Radius

Impeller Tips for Competitor B
Radius

Main Air Seal
Piston Ring

Main Air Seal for Competitor A
Piston Ring

Main Air Seal for Competitor B
Piston Ring

Main Oil Seal
Two Piston Ring Seals with Slinger and Groove

Main Oil Seal for Competitor A
Lip Seal

Main Oil Seal for Competitor B
Lip Seal

Shaft Seal and Seal Surface
Viton Lip Seal with O-Rings Wear Sleeve

Shaft Seal and Seal Surface for Competitor A
Viton Lip Seal on Shaft

Shaft Seal and Seal Surface for Competitor B
Lip Seal on Shaft

DuroFlow® Advantages for Models
Greater flow capacity

DuroFlow® Advantages for Cylinder Design
Easier assembly/Disassembly
Ensures better tip clearance accuracy
More rigid and durable
Noise and pulsation dampening

DuroFlow® Advantages for Cylinder Rib Design
Improves heat dissipation
Reduces torsion on cylinder

DuroFlow® Advantages for Drive End Bearings
Better equipped to handle radial and axial loads commonly caused by misaligned V-belt drives
Increases bearing life

DuroFlow® Advantages for Dual Splash Lubrication
Simpler maintenance

DuroFlow® Advantages for Gear End Bearings
Increases bearing life

DuroFlow® Advantages for Gear Type
Quiet and smooth mechanical operation
Reduces backlash

DuroFlow® Advantages for Gear Attachments
Eliminates timing loss and improves reliability

DuroFlow® Advantages for Impeller Tips
Cooler operating temperatures
Improves performance
Reduces power consumption

DuroFlow® Advantages for Main Air Seal
Less wear
Longer seal life

DuroFlow® Advantages for Main Oil Seal
Superior oil sealing

DuroFlow® Advantages for Shaft Seal and Seal Surface
Extended shaft life
Improves sealing method


Specifications

Pressure
Up to 15 psig

Vacuum
Up to 16 inHg

Airflow
Up to 4282 ft³/min

Standard Temperature
68 ºF

Ambient Pressure
14.7 psia

Relative Humidity
36 %

Industry Standards/Certifications
Compressed Air and Gas Institute (CAGI)
Energy Star Partner
ISO 9001:2008

Brands
DuroFlow®
Gardner Denver™


Applications to Meet Your Industry Needs

Industry
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
Aeration

Application for Cement and Lime Industry
Fluidization and Conveying

Application for Chemical Industry
Vacuum Processing and Conveying

Application for Dairy Industry
Automated Milking

Application for Dry Bulk Hauling Industry
Trailer Unloading and Aeration

Application for Environmental Services Industry
Sewer Cleaning and Portable Restroom Services

Application for Industrial Industry
Material Vacuuming

Application for Milling and Baking Industry
Blending and Conveying

Application for Power Generation Industry
Fly Ash Conveying and Aeration

Application for Pulp and Paper Industry
Chip Conveying and Process Vacuum

Application for Resin and Plastic Industry
Processing and Conveying

Application for Vacuum Excavation Industry
Potholing and Slurry Recovery

Application for Wastewater Industry
Aeration and Backwashing


At-A-Glance Features
  • Each model delivers clean, oil-free air to a wide range of industrial applications.
  • World-class engineering and design.
  • Manufactured under rigid ISO 9001 standards by quality craftspersons.
  • Exhaustively tested to meet strict performance criteria to ensure unequaled service life under the most severe operating conditions.
  • Available in the 30, 45 and 70 Series with various configurations and rotor lengths.
  • Horizontal or vertical mounting configuration available for each blower.
  • Supported by a worldwide network of trained professionals and backed by a manufacturer’s warranty
    • 18 months from the date of shipment or
    • 12 months from the date of installation, whichever occurs first


Durable
  • Oversized bearings for added support and greater durability
    • Gear-end bearings support rotor shafts, while drive-end double-row angular contact ball bearings fix the rotor position.
    • Prevents destructive axial rotor movement commonly caused by misaligned V-belt drives.
  • Durable single-piece cast iron cylinder with integral ribs
    • Provides greater strength and rigidity.
    • Ribs improve heat dissipation and prevent distortion that can affect internal clearances reduce performance.
  • Innovative rotor/shaft design machined from a single, high-strength ductile iron casting and dynamically balanced
    • Assures extra strength and rigidity to handle maximum loads on a continuous basis without fatigue, deflection or vibration.
  • Solid rotors
    • Eliminates potential for vibration caused when hollow rotors become unbalanced due to build-up of ingested material inside the rotor cavities.


Reliable
  • Dual Splash Lubrication
    • Provides superior gear and bearing lubrication for longer life at all operating conditions.
    • Reduces maintenance.
  • Advanced oil and air seal designs
    • Piston rings and flinger maximize seal life in continuous, severe duty applications.
    • Provides leak-free operation.
    • O-rings placed under the drive shaft wear sleeve creates better sealing and prolongs life of rotors.
  • Timing gears are mounted on precision machined shaft splines
    • Assures secure non-slip rotor timing even under surge conditions or high torque start-up.


Efficient
  • Helical timing gears, precision machined from alloy steel forgings
    • Guarantees quiet and smooth mechanical operation at all speeds.
  • Innovative rotor profile with serrated tips
    • Increases blower efficiency and air sealing.
    • Reduces power consumption and cooler operating temperature.
  • Noise Reduction
    • Extra cylinder mass and progressive porting aid in reducing noise.
  • Vertical or horizontal mounting configuration with each blower
    • Provides greater flexibility for installing into any new or existing system.


Flex-Mount™ Design Provides Maximum Installation Versatility
  • Flex-Mount™ Design and available porting connectors provide installation flexibility.
  • Assures interchangeability of existing installed DuroFlow® models or compatibility as replacement for most competitive models.
  • Reduces inventory requirements due to machine flexibility.


Genuine Gardner Denver™ Parts and Lubricants
  • Maintain the Gardner Denver™ performance advantage and reliability with Genuine GD Replacement Parts.
  • Protect your Gardner Denver™ investment with AEON® PD, the only lubricant specially formulated for all blowers in any environment.
    • Now available:
      • AEON® PD-XD (eXtreme Duty)
      • Designed specifically for high ambient and high discharge temperature applications.
    • Also available:
      • AEON® PD (standard applications)
      • AEON® PD-FG (Food Grade)


Quality Promise
  • Gardner Denver™ industrial blowers are manufactured under rigid ISO 9001 quality standards.
  • All models are thoroughly tested to meet the highest performance standards for unequaled service life under the most severe operating conditions.


45 Series Design Advantages
  • Dual Splash Lubrication
    • Reliable splash lubrication at both gear and drive ends for longer product life.
  • Shaft Splines Assure Non-Slip Rotor Timing
    • Helical timing gears are mounted on shaft splines
    • Provides quiet and smooth mechanical operation at all speeds.
  • Improved Design Provides Leak-Free Operation
    • Advanced Oil and Air Seals.
    • Piston rings and flinger maximize seal life in continuous, severe duty applications.
  • Efficient Lubrication
    • Slinger ensures lubricant is distributed to gears and bearings.
  • Oversized Bearings for Added Support and Greater Durability
    • Drive-end double-row angular contact ball bearings fix the rotor position.
    • Gear-end roller bearings support each shaft.


Striving for More
  • Solid Rotors Eliminate Potential for Vibration
    • Hollow rotors can become unbalanced due to build-up of ingested material inside the rotor.
  • Single Piece Cylinder Prevents Distortion
    • Heavy-duty reinforced cast iron cylinder retains internal clearances.
    • Provides greater strength and rigidity.
  • Cooler Operating Temperatures
    • Integral ribs improve heat dissipation and improve performance.
  • Durable Rotors and Shafts
    • Machined from a single, high-strength ductile iron casting.
    • Dynamically balanced.
  • Vertical or Horizontal Mounting Configuration
    • Flex-Mount™ design standard with each blower.
    • Flexibility for installing into any new or existing system.
  • Serrated Tips Reduce Power Consumption
    • Innovative rotor profile provides tighter clearances.
    • More air flow with less horsepower .
    • Precision machined with advanced CNC milling technology.


Additional Information
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
  • Must pass a slip test and a full-load, hot run test before shipment
  • Standard new product warranty included
  • The final word when repair or replacement is required


Note
Reach Higher with the DuroFlow® 45 Series

Performance based on inlet air at standard temperature of 68 ºF, an ambient pressure of 14.7 psia and 36% relative humidity.
For performance at non-standard conditions, contact your authorized Gardner Denver™ representative.


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