Item # 7023, DuroFlow® Industrial 70 Series Model 7023 Positive Displacement Blower with Vacuum Pump On Energy Machinery, Inc.

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All Categories > Blowers & Vacuum Pumps > DuroFlow® Industrial Series Positive Displacement Blowers with Vacuum Pump > Item # 7023


	Item # 7023, DuroFlow® Industrial 70 Series Model 7023 Positive Displacement Blower with Vacuum Pump
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DuroFlow® Industrial 70 Series 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 · Additional Information · Note

Dimensions

Weight		1100 lb

Port Size Connection		12 in

Connection Type		Flanged

Shaft Diameter		2.50 in

Mounting Bolt Hole Diameter		0.88 in

A		46.44 in

B		23.62 in

C		17.25 in

D		5.62 in

E		18.00 in

F		22.00 in

G		26.50 in

H		15.00 in

J		2.75 in

K		15.25 in

L		8.25 in

M		11.75 in

N		24.47 in

P		3.50 in

Q		9.00 in

R		11.00 in

S		13.25 in

T		7.50 in

Pressure Performance Data

Speed for Pressure Performance		1500 rpm 1800 rpm 2600 rpm

Airflow at 4 psig Pressure and 1500 rpm Speed		41.9 bhp 1709 ft³/min

Airflow at 4 psig Pressure and 1800 rpm Speed		51.5 bhp 2162 ft³/min

Airflow at 4 psig Pressure and 2650 rpm Speed		80.8 bhp 3370 ft³/min

Airflow at 6 psig Pressure and 1500 rpm Speed		61.6 bhp 1578 ft³/min

Airflow at 6 psig Pressure and 1800 rpm Speed		75.2 bhp 2037 ft³/min

Airflow at 6 psig Pressure and 2650 rpm Speed		115.0 bhp 3245 ft³/min

Airflow at 8 psig Pressure and 1500 rpm Speed		81.4 bhp 1479 ft³/min

Airflow at 8 psig Pressure and 1800 rpm Speed		98.9 bhp 1932 ft³/min

Airflow at 8 psig Pressure and 2650 rpm Speed		149.2 bhp 3140 ft³/min

Airflow at 10 psig Pressure and 1500 rpm Speed		101.1 bhp 1386 ft³/min

Airflow at 10 psig Pressure and 1800 rpm Speed		122.6 bhp 1839 ft³/min

Airflow at 10 psig Pressure and 2650 rpm Speed		183.5 bhp 3047 ft³/min

Airflow at 12 psig Pressure and 1500 rpm Speed		120.9 bhp 1,303 ft³/min

Airflow at 12 psig Pressure and 1800 rpm Speed		146.3 bhp 1756 ft³/min

Airflow at 12 psig Pressure and 2650 rpm Speed		217.7 bhp 2964 ft³/min

Vacuum Performance Data

Speed for Vacuum Performance		1500 rpm 1800 rpm 2650 rpm

Airflow at 8 inHg Vacuum and 1500 rpm Speed		1622 ft³/min 62.7 bhp

Airflow at 8 inHg Vacuum and 1800 rpm Speed		2075 ft³/min 50.6 bhp

Airflow at 8 inHg Vacuum and 2650 rpm Speed		79.6 bhp 3283 ft³/min

Airflow at 12 inHg Vacuum and 1500 rpm Speed		1393 ft³/min 60.6 bhp

Airflow at 12 inHg Vacuum and 1800 rpm Speed		1846 ft³/min 73.9 bhp

Airflow at 4 inHg Vacuum and 1500 rpm Speed		21.8 bhp 1847 ft³/min

Airflow at 4 inHg Vacuum and 1800 rpm Speed		27.4 bhp 2300 ft³/min

Airflow at 4 inHg Vacuum and 2650 rpm Speed		45.9 bhp 3508 ft³/min

Airflow at 6 inHg Vacuum and 1500 rpm Speed		31.5 bhp 1732 ft³/min

Airflow at 6 inHg Vacuum and 1800 rpm Speed		39.0 bhp 2185 ft³/min

Airflow at 6 inHg Vacuum and 2650 rpm Speed		41.2 bhp 3393 ft³/min

Airflow at 10 inHg Vacuum and 1500 rpm Speed		50.9 bhp 1510 ft³/min

Airflow at 10 nHg Pressure and 1800 rpm Speed		62.3 bhp 1963 ft³/min

Airflow at 10 inHg Vacuum and 2650 rpm Speed		96.4 bhp 3171 ft³/min

Airflow at 12 inHg Vacuum and 2650 rpm Speed		113.2 bhp 3054 ft³/min

Airflow at 14 inHg Vacuum and 1500 rpm Speed		70.3 bhp 1266 ft³/min

Airflow at 14 inHgg Pressure and 1800 rpm Speed		85.6 bhp 1719 ft³/min

Airflow at 14 inHg Vacuum and 2650 rpm Speed		130.0 bhp 2927 ft³/min

Airflow at 15 inHg Vacuum and 1800 rpm Speed		91.4 bhp 1650 ft³/min

Airflow at 15 inHg Vacuum and 2650 rpm Speed		138.4 bhp 2858 ft³/min

Airflow at 16 inHg Vacuum and 2650 rpm Speed		146.8 bhp 2784 ft³/min

Reach Higher with the DuroFlow® 45 Series

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 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

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 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 Type		Quiet and smooth mechanical operation Reduces backlash

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

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.

Reliable

Dual Splash Lubrication
- Provides superior gear and bearing lubrication for longer life at all operating conditions.
- Reduces maintenance.
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.
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.

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

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 # 7023, DuroFlow® Industrial 70 Series Model 7023 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

Speed for Pressure Performance

Airflow at 4 psig Pressure and 1500 rpm Speed

Airflow at 4 psig Pressure and 1800 rpm Speed

Airflow at 4 psig Pressure and 2650 rpm Speed

Airflow at 6 psig Pressure and 1500 rpm Speed

Airflow at 6 psig Pressure and 1800 rpm Speed

Airflow at 6 psig Pressure and 2650 rpm Speed

Airflow at 8 psig Pressure and 1500 rpm Speed

Airflow at 8 psig Pressure and 1800 rpm Speed

Airflow at 8 psig Pressure and 2650 rpm Speed

Airflow at 10 psig Pressure and 1500 rpm Speed

Airflow at 10 psig Pressure and 1800 rpm Speed

Airflow at 10 psig Pressure and 2650 rpm Speed

Airflow at 12 psig Pressure and 1500 rpm Speed

Airflow at 12 psig Pressure and 1800 rpm Speed

Airflow at 12 psig Pressure and 2650 rpm Speed

Speed for Vacuum Performance

Airflow at 8 inHg Vacuum and 1500 rpm Speed

Airflow at 8 inHg Vacuum and 1800 rpm Speed

Airflow at 8 inHg Vacuum and 2650 rpm Speed

Airflow at 12 inHg Vacuum and 1500 rpm Speed

Airflow at 12 inHg Vacuum and 1800 rpm Speed

Airflow at 4 inHg Vacuum and 1500 rpm Speed

Airflow at 4 inHg Vacuum and 1800 rpm Speed

Airflow at 4 inHg Vacuum and 2650 rpm Speed

Airflow at 6 inHg Vacuum and 1500 rpm Speed

Airflow at 6 inHg Vacuum and 1800 rpm Speed

Airflow at 6 inHg Vacuum and 2650 rpm Speed

Airflow at 10 inHg Vacuum and 1500 rpm Speed

Airflow at 10 nHg Pressure and 1800 rpm Speed

Airflow at 10 inHg Vacuum and 2650 rpm Speed

Airflow at 12 inHg Vacuum and 2650 rpm Speed

Airflow at 14 inHg Vacuum and 1500 rpm Speed

Airflow at 14 inHgg Pressure and 1800 rpm Speed

Airflow at 14 inHg Vacuum and 2650 rpm Speed

Airflow at 15 inHg Vacuum and 1800 rpm Speed

Airflow at 15 inHg Vacuum and 2650 rpm Speed

Airflow at 16 inHg Vacuum and 2650 rpm Speed

Cylinder Design

Cylinder Design for Competitor A

Cylinder Design for Competitor B

Cylinder Rib Design

Cylinder Rib Design for Competitor A

Cylinder Rib 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 Type

Gear Type for Competitor A

Gear Type for Competitor B

Gear Attachments

Gear Attachments for Competitor A

Gear Attachments for Competitor B