Item # 4504, DuroFlow® Industrial 45 Series Model 4504 Positive Displacement Blower with Vacuum Pump On Energy Machinery, Inc.

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	Item # 4504, DuroFlow® Industrial 45 Series Model 4504 Positive Displacement Blower with Vacuum Pump
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DuroFlow® Industrial 45 Series Model 4504 Positive Displacement Blower with Vacuum Pump

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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		190 lb

Port Size Connection		4 in

Connection Type		NPT

Shaft Diameter		1.44 in

Mounting Bolt Hole Diameter		0.69 in

A		18.01 in

B		17.54 in

C		11.88 in

D		3.43 in

E		9.75 in

F		17.50 in

G		4.87 in

H		11.50 in

J		5.00 in

K		11.35 in

L		5.62 in

M		9.10 in

N		10.05 in

P		2.25 in

Q		4.87 in

R		8.75 in

S		3.50 in

T		5.75 in

U		2.44 in

V		3.00 in

Pressure Performance Data

Speed for Pressure Performance		1750 rpm 2950 rpm 4000 rpm

Airflow at 4 psig Pressure and 2950 rpm Speed		7.3 bhp 271 ft³/min

Airflow at 4 psig Pressure and 4000 rpm Speed		11.6 bhp 389 ft³/min

Airflow at 6 psig Pressure and 2950 rpm Speed		10.2 bhp 258 ft³/min

Airflow at 6 psig Pressure and 4000 rpm Speed		15.5 bhp 375 ft³/min

Airflow at 8 psig Pressure and 2950 rpm Speed		13.0 bhp 247 ft³/min

Airflow at 8 psig Pressure and 4000 rpm Speed		19.4 bhp 364 ft³/min

Airflow at 10 psig Pressure and 2950 rpm Speed		15.9 bhp 237 ft³/min

Airflow at 10 psig Pressure and 4000 rpm Speed		23.3 bhp 354 ft³/min

Airflow at 12 psig Pressure and 2950 rpm Speed		18.8 bhp 228 ft³/min

Airflow at 12 psig Pressure and 4000 rpm Speed		27.2 bhp 345 ft³/min

Airflow at 15 psig Pressure and 2950 rpm Speed		23.1 bhp 216 ft³/min

Airflow at 15 psig Pressure and 4000 rpm Speed		33.1 bhp 333 ft³/min

Airflow at 4 psig Pressure and 1750 rpm Speed		3.7 bhp 137 ft³/min

Airflow at 6 psig Pressure and 1750 rpm Speed		5.4 bhp 123 ft³/min

Airflow at 8 psig Pressure and 1750 rpm Speed		7.2 bhp 112 ft³/min

Airflow at 10 psig Pressure and 1750 rpm Speed		8.9 bhp 102 ft³/min

Airflow at 12 psig Pressure and 1750 rpm Speed		10.6 bhp 93 ft³/min

Vacuum Performance Data

Speed for Vacuum Performance		1750 rpm 2950 rpm 4000 rpm

Airflow at 4 inHg Vacuum and 2950 rpm Speed		4.2 bhp 286 ft³/min

Airflow at 4 inHg Vacuum and 4000 rpm Speed		7.1 bhp 403 ft³/min

Airflow at 6 inHg Vacuum and 2950 rpm Speed		5.5 bhp 273 ft³/min

Airflow at 6 inHg Vacuum and 4000 rpm Speed		8.8 bhp 391 ft³/min

Airflow at 8 inHg Vacuum and 2950 rpm Speed		6.8 bhp 262 ft³/min

Airflow at 8 inHg Vacuum and 4000 rpm Speed		379 ft³/min 10.5 bhp

Airflow at 10 inHg Vacuum and 2950 rpm Speed		8.1 bhp 250 ft³/min

Airflow at 10 inHg Vacuum and 4000 rpm Speed		12.1 bhp 367 ft³/min

Airflow at 12 inHg Vacuum and 4000 rpm Speed		355 ft³/min 13.8 bhp

Airflow at 12 inHg Vacuum and 2950 rpm Speed		9.4 bhp 237 ft³/min

Airflow at 14 inHg Vacuum and 2950 rpm Speed		10.7 bhp 224 ft³/min

Airflow at 14 inHg Vacuum and 4000 rpm Speed		15.5 bhp 341 ft³/min

Airflow at 15 inHg Vacuum and 4000 rpm Speed		16.3 bhp 334 ft³/min

Airflow at 4 inHg Vacuum and 1750 rpm Speed		2.0 bhp 151 ft³/min

Airflow at 6 inHg Vacuum and 1750 rpm Speed		2.8 bhp 139 ft³/min

Airflow at 8 inHg Vacuum and 1750 rpm Speed		3.6 bhp 127 ft³/min

Airflow at 10 inHg Vacuum and 1750 rpm Speed		4.4 bhp 115 ft³/min

Airflow at 12 inHg Vacuum and 1750 rpm Speed		5.2 bhp 103 ft³/min

Airflow at 16 inHg Vacuum and 4000 rpm Speed		326 ft³/min 17.1 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

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 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.
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.

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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Item # 4504, DuroFlow® Industrial 45 Series Model 4504 Positive Displacement Blower with Vacuum Pump

Weight

Port Size Connection

Connection Type

Shaft Diameter

Mounting Bolt Hole Diameter

A

B

C

D

E

F

G

H

J

K

L

M

N

P

Q

R

S

T

U

V

Speed for Pressure Performance

Airflow at 4 psig Pressure and 2950 rpm Speed

Airflow at 4 psig Pressure and 4000 rpm Speed

Airflow at 6 psig Pressure and 2950 rpm Speed

Airflow at 6 psig Pressure and 4000 rpm Speed

Airflow at 8 psig Pressure and 2950 rpm Speed

Airflow at 8 psig Pressure and 4000 rpm Speed

Airflow at 10 psig Pressure and 2950 rpm Speed

Airflow at 10 psig Pressure and 4000 rpm Speed

Airflow at 12 psig Pressure and 2950 rpm Speed

Airflow at 12 psig Pressure and 4000 rpm Speed

Airflow at 15 psig Pressure and 2950 rpm Speed

Airflow at 15 psig Pressure and 4000 rpm Speed

Airflow at 4 psig Pressure and 1750 rpm Speed

Airflow at 6 psig Pressure and 1750 rpm Speed

Airflow at 8 psig Pressure and 1750 rpm Speed

Airflow at 10 psig Pressure and 1750 rpm Speed

Airflow at 12 psig Pressure and 1750 rpm Speed

Speed for Vacuum Performance

Airflow at 4 inHg Vacuum and 2950 rpm Speed

Airflow at 4 inHg Vacuum and 4000 rpm Speed

Airflow at 6 inHg Vacuum and 2950 rpm Speed

Airflow at 6 inHg Vacuum and 4000 rpm Speed

Airflow at 8 inHg Vacuum and 2950 rpm Speed

Airflow at 8 inHg Vacuum and 4000 rpm Speed

Airflow at 10 inHg Vacuum and 2950 rpm Speed

Airflow at 10 inHg Vacuum and 4000 rpm Speed

Airflow at 12 inHg Vacuum and 4000 rpm Speed

Airflow at 12 inHg Vacuum and 2950 rpm Speed

Airflow at 14 inHg Vacuum and 2950 rpm Speed

Airflow at 14 inHg Vacuum and 4000 rpm Speed

Airflow at 15 inHg Vacuum and 4000 rpm Speed

Airflow at 4 inHg Vacuum and 1750 rpm Speed

Airflow at 6 inHg Vacuum and 1750 rpm Speed

Airflow at 8 inHg Vacuum and 1750 rpm Speed

Airflow at 10 inHg Vacuum and 1750 rpm Speed

Airflow at 12 inHg Vacuum and 1750 rpm Speed

Airflow at 16 inHg Vacuum and 4000 rpm Speed

Model

Models for Competitor A

Models for Competitor B

Cylinder Design

Cylinder Design for Competitor A

Cylinder Design for Competitor B

Drive End Bearings

Drive End Bearings for Competitor A

Drive End Bearings for Competitor B

Dual Splash Lubrication

Dual Splash Lubrication for Competitor A

Dual Splash Lubrication for Competitor B

Gear End Bearings

Gear End Bearings for Competitor A

Gear End Bearings for Competitor B

Gear Type