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Atlas Copco
Variable speed direct drive turbo air blowers
ZB 5-120 VSD
5-120 kW/7-160 hp
Proven technology in a leading design
ZB 5-120 VSD 5-120 kW/7-160 hp
Low pressure compressed air is the backbone of many production processes. The ZB is the latest
addition to Atlas Copco’s low pressure oil-free air solutions, manufactured to the highest standards of
quality and reliability. Built to ensure complete product safety, ZB blowers guarantee a continuous, highly
reliable, energy-efficient and 100% oil-free air supply for years on end.
Wastewater Treatment
Flue Gas Desulphurization
Essential purity for wastewater treatment plants
Cost efficiency & reliability for coal-fired power plants
Many wastewater treatment plants treat the wastewater using aerobic
biological processes to digest waste by-products. Typically, the major
energy users in such a treatment plant are the air blowers. With
Atlas Copco low pressure ZB blowers, energy bills can be reduced
thanks to the efficient impeller and bearing designs. To maximize
productivity in these continuously operating plants, ZB blowers
incorporate the latest technologies in the most efficient and
reliable design. Thanks to a remarkably small footprint, flexible
installation is ensured.
In coal-fired power plants, a continuous flow of low pressure air
is used to remove sulphur dioxide from the exhaust flue gases.
To guarantee uninterrupted pollution control and make sure these
plants are up and running 24/7, the used compressed air solution
needs to be highly reliable and energy-efficient. Atlas Copco’s low
pressure ZB blowers fulfill this demand by offering a constant air
flow at minimal energy costs.
Non-woven Textiles
Pneumatic Conveying
All-in-one blower technology for non-woven textiles
High reliability & 100% oil-free air for industrial processing
Either durable or disposable, non-woven materials serve in numerous
applications such as diapers, surgical gowns and filters. During the
creation of the fibers, compressed air is used. With the ZB, Atlas
Copco offers an all-in-one ready-to-run package in an advanced yet
compact design. Vibration and noise levels are significantly reduced,
resulting in a more agreeable working environment for operators. In
short, the ZB stands for long lasting performance, cost efficiency and
easy installation, operation and servicing.
In many industrial processes, dilute phase pneumatic conveying
is used to transport goods. A reliable stream of low pressure oilfree compressed air – 100% certified according to ISO 8573-1
CLASS 0 (2001) – is essential to keep the production running
smoothly. ZB blowers are designed as fully integrated and
compact packages to ensure optimum efficiency and reliability.
Combined with low noise and vibration levels this makes the
ZB the perfect air solution for dilute phase pneumatic conveying.
Keeping your production up and running
A reliable supply of compressed air is critical to ensure production continuity. Every ZB is designed, manufactured and tested in accordance
with ISO 9001 stipulations. The advanced design incorporating air foil bearings, low vibration turbo technology and integrated VSD contributes
to the ZB’s exceptional reliability. Built in line with long standing internal engineering practices, the ZB is easy to maintain which reduces
operational costs. With low vibration and noise levels, Atlas Copco also focuses on the operator’s needs.
Driving down energy costs
Energy costs can amount to 80% of the Life Cycle Costs of a blower. Designed for reduced environmental impact, conforming to ISO
14001 standards, the ZB 5-120 VSD range helps to limit costs: the unique bearing design coupled with the turbo compression system
provides the highest air volume at the lowest energy consumption. The integrated Variable Speed Drive (VSD) technology offers extra
energy savings by automatically tuning the compressed air flow precisely to the air demand.
Assuring your peace of mind
Through continuous investment in our competent, committed and efficient service organization, Atlas Copco ensures superior customer
value by maximizing productivity. With a presence in over 160 countries, we offer professional and timely service through interaction and
involvement. Uptime is guaranteed by dedicated technicians and 24/7 availability.
Protecting your reputation and production
Easy installation
Delivered ready for use, ZB blowers come as all-in-one packages including a powerful PLC controller, integrated VSD, forklift slots, check valve, air
filter, blow-off valve and silencers. The compact design eliminates the need for extras and reduces installation to an absolute minimum, saving you
time and money. Built for easy integration in your existing compressed air network, ZB blowers are up and running in no time.
ZB 5-120 VSD 5-120 kW/7-160 hp
In virtually any application, oil contamination of the air supply causes serious productivity issues and increases costs. As the first manufacturer
to receive ISO 8573-1 CLASS 0 (2001) certification for its oil-free air blowers, Atlas Copco has set a new standard in air purity. Focusing on
the protection of critical applications as well as today’s increasing quality demands, Atlas Copco offers TÜV-certified 100% oil-free air.
Reliability & efficiency: the perfect match
1 Unique air foil bearings
Friction-free rotation of the motor shaft
for improved energy efficiency.
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No additional cooling or external air source required:
reduced installation costs.
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Minimum maintenance costs: 100% oil-free air, no lubrication.
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2 Induction type motor
with unique cooling system
Easy & cost-efficient installation: no water required.
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Energy-efficient cooling of the motor:
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•
•
Self-cooled suction air for lower pressure models.
Fan-cooled suction air for higher pressure models.
4

Self-cooled motor solution
Discharge air
5
Suction
air
Cooling
air
3
ZB 5-120 VSD 5-120 kW/7-160 hp

Fan-cooled motor solution
3 Highly efficient milled impeller design
Milled impellers offer higher quality and efficiency than casted ones as they allow for better
controlled tolerance during production.
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Optimized 3-dimensional shape for increased efficiency and improved life time.
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Wide variable range for flow control.
4 Advanced control & monitoring
User-friendly interface including graphical display & touch screen.
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Local control panel with plug and run concept: reduced installation costs.
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Alarm & shutdown display.
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Surge protection & motor overload protection.
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4 different control functions for greater flexibility to accurately control the blower:
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1
•
•
•
•
Local mode.
Speed control via an external 4-20 mA signal.
On/off time mode (constant speed control via timer & remote start/stop).
Constant pressure mode (pressure set point & remote start/stop).
5 Integrated VSD Cubicle
All-in plug and play solution which saves installation time
and money.
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Integrated components for maximum reliability.
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ZB 5-120 VSD 5-120 kW/7-160 hp
2
Unique benchmark technology
Always at the forefront of innovation, Atlas Copco has been leading the industry in oil-free compressed
air technology for many years. With the ZB Atlas Copco once again breaks new ground. At the heart of
the new ZB range is a unique, state-of-the-art air bearing principle which, with a proven design, offers
superior durability without the use of lubricants.
State-of-the-art air bearing principle:
Zero oil involved
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High efficiency
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Friction-free floating
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Air Gap Pressure
State-of-the-art air bearing principle:
RPM
RPM
Rotor Speed
RPM
1 Start/Stop
Individually overlapping foils are
assembled in the housing to support the
motor shaft.
ZB 5-120 VSD 5-120 kW/7-160 hp
ff
The shaft only comes in contact with the
coated foils during starting & stopping.
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2 Running
As the shaft rotates, an air film is formed
between the shaft and the foils which
allows for friction-free rotation.
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3 High speed rotating
The air foil bearing principle meets high
speed rotating requirements. When the
speeds increase, pressure builds up and
the load capacity enhances.
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VSD: driving down energy costs
Energy consumption typically represents over 80% of a compressor's and blower’s Life Cycle Cost.
Looking continuously to innovate and reduce customer costs, Atlas Copco pioneered the Variable Speed
Drive technology (VSD) in 1994. VSD stands for major energy savings, while protecting the environment
for future generations. Due to our ongoing investments in R&D, Atlas Copco offers the widest range
of integrated VSD compressors and blowers on the market.
Varying air demand in 92% of all installations
In almost every production environment, air demand fluctuates depending on different factors (time of the day, week or even month).
Extensive measurements and studies of compressed air demand profiles show that 92% of all compressor and blower installations have
substantial variations in air demand. Only 8% of all installations have a more stable air demand. Tests prove that even in this case,
VSD compressors and blowers save energy.
64% of all installations

Factory working 24 hrs/day: low demand
at night & high demand during the day

28% of all installations

Factory working 2 shifts/day, no weekend
work: erratically varying air demand

MAX ▶
Profile 3
MAX ▶
Profile 2
MAX ▶
Profile 1
8% of all installations

Factory working 2 shifts/day, no weekend
work: typical ‘fixed’ speed application

Energy savings of up to 35%
Atlas Copco’s VSD technology closely follows the air demand by automatically
adjusting the motor speed. This results in large energy savings of up to 35%.
The Life Cycle Cost of a compressor and blower can be cut by an average of 22%.
In addition, lowered system pressure with VSD minimizes energy use across
your production dramatically.
Energy
Investment
Energy savings with VSD
Maintenance
Find out how much you can save
Atlas Copco can help you map the load/air demand profile of your current compressor and blower installation and indicate potential energy
savings with VSD compressors and blowers. For more information, please contact your local Atlas Copco representative.
ZB 5-120 VSD 5-120 kW/7-160 hp
Total compressor and blower Life Cycle Cost
CLASS 0: the industry standard
Oil-free air is used in all kinds of industries where air quality is paramount
for the end product and production process. These applications include food
and beverage processing, pharmaceutical manufacturing and packaging,
chemical and petrochemical processing, semiconductor and electronics
manufacturing, the medical sector, automotive paint spraying, textile
manufacturing and many more. In these critical environments, contamination
by even the smallest quantities of oil can result in costly production downtime
and product spoilage.
First in oil-free air technology
Eliminating any risk
Over the past sixty years Atlas Copco has pioneered the development
of oil-free air technology, resulting in a range of air compressors
and blowers that provide 100% pure, clean air. Through continuous
research and development, Atlas Copco achieved a new milestone,
setting the standard for air purity as the first manufacturer to be
awarded ISO 8573-1 CLASS 0 certification.
As the industry leader committed to meeting the needs of the most
demanding customers, Atlas Copco requested the renowned TÜV
institute to type-test its range of oil-free compressors and blowers.
Using the most rigorous testing methodologies available, all
possible oil forms were measured across a range of temperatures
and pressures. The TÜV found no traces of oil at all in the output
air stream. Thus Atlas Copco is not only the first compressor and
blower manufacturer to receive CLASS 0 certification, but also
exceeds ISO 8573-1 CLASS 0 specifications.
CLASS
Concentration total oil (aerosol, liquid, vapor) mg/m3
0
As specified by the equipment user or supplier
and more stringent than class 1
1
< 0.01
2
< 0.1
3
<1
4
<5
ZB 5-120 VSD 5-120 kW/7-160 hp
Current ISO 8573-1 (2001) classes (the five main classes and the associated maximum concentration in total oil content).
CLASS 0 means:
Zero risk of contamination.
Zero risk of damaged or unsafe products.
Zero risk of losses from operational downtime.
Zero risk of damaging your company’s hard-won professional reputation.
Optimize your system
With the ZB, Atlas Copco provides an all-in-one standard package incorporating the latest technology in
a built-to-last design.
Scope of supply
Air circuit
Electrical components
Air intake filter
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Outlet air silencer
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Outlet air flange
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Integral blow-off with silencer
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ff
ff
ff
ff
High Speed Drive (HSD) air cooled motor
Variable Speed Drive (VSD) convertor
PLC control and monitoring system
EMC filter
Check valve
ff
ff
Discharge air compensator
ff
ff
Direct driven milled impeller
ff
Cooling circuit
Fan-cooled
(750 mbar/11 psi and 1250 mbar/18 psi models)
ff
RFI filter
Pressure and temperature sensors
Framework
Base frame with forklift slots
ff
Sound-insulated enclosure
ff
Self-cooled (500 mbar/7 psi models)
ff
Connections
ANSI flanges
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DIN flanges
ZB 5-120 VSD 5-120 kW/7-160 hp
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ZB VSD Range
The ZB 5-120 VSD range covers a large spectrum in terms of flow and pressure to cater for the widest
variety of needs and applications. Flows from 160 m³/h (95 cfm) to 6300 m³/h (3710 cfm) and pressures
from 0.3 bar(e) (4 psig) to 1.5 bar(e) (22 psig) are covered by the complete range. The integrated VSD on
each ZB allows for large turndown to ensure maximum productivity.
ZB 5-120 VSD 500 mbar / 7 psi model
589
1766
1177
2354
1766
2943
2354
Flow (cfm)
4120
4709
Flow (cfm)
3531
2943
3531
4120
10.14709
0.7
10.1
0.6
8.7
0.6
8.7
0.5
7.2
0.5
7.2
0.4
5.8
0.4
5.8
0.3
4.3
0.3
ZB 5 VSD-500
ZB 11 VSD-500
ZB 5 VSD-500
ZB 22 VSD-400
ZB 11 VSD-500
ZB 22 VSD-500
ZB 22 VSD-400
ZB 30 VSD-400
ZB 22 VSD-500
ZB 30 VSD-500
ZB 30 VSD-400
ZB 37 VSD-500
ZB 30 VSD-500
ZB 50 VSD-500
ZB 37 VSD-500
ZB 70 VSD-500
ZB 50 VSD-500
ZB 85 VSD-500
ZB 70 VSD-500
ZB 105 VSD-500
ZB 85 VSD-500
ZB 120 VSD-500
4.3
0.2
2.9
0.2
D-750
D-750
D-750
D-750
D-750
D-750
SD-750
SD-750
Pressure (psig)
0
1177
Pressure (psig)
589
0.7
Pressure [bar(e)]
Pressure [bar(e)]
0
2.9
0.1
1.4
0.1
1.4
0
0
1000
0
0
2000
1000
3000
2000
4000
3000
5000
4000
6000
5000
7000
6000
8000
Flow
(m3/hr)
7000
8000
Flow (m3/hr)
ZB 105 VSD-500
ZB 120 VSD-500
ZB 22-120 VSD 750 mbar / 11 psi models
Flow (cfm)
1177
1766
2354
2354
1766
2943
2943
Flow (cfm)
3531
1.4
3531
20.3
20.3
1.2
17.4
1.2
17.4
1
14.5
1
14.5
0.8
11.6
0.8
11.6
0.6
8.7
ZB 5-120 VSD 5-120 kW/7-160 hp
0.6
ZB 37 VSD-1250
ZB 50 VSD-1250
VSD-1250
ZB 70 VSD-1250
VSD-1250
ZB 85 VSD-1250
VSD-1250
ZB105 VSD-1250
VSD-1250
5 VSD-1250
Pressure [bar(e)]
589
1177
Pressure (psig)
0 1.4
589
Pressure (psig)
Pressure [bar(e)]
Pressure [bar(e)]
0
8.7
0.4
5.8
0.4
5.8
0.2
2.9
0.2
2.9
0
0
0
0
1000
1000
2000
2000
3000
3000
4000
4000
5000
5000
6000
Flow (m3/hr)
6000
Flow (m /hr)
3
ZB 22 VSD-750
ZB 30 VSD-750
ZB 22ZB
VSD-750
37 VSD-750
ZB 30ZB
VSD-750
50 VSD-750
ZB 37ZB
VSD-750
70 VSD-750
ZB 50ZB
VSD-750
85 VSD-750
ZB 70ZB
VSD-750
105 VSD-750
ZB 85ZB
VSD-750
120 VSD-750
ZB 105 VSD-750
ZB 120 VSD-750
ZB 37-105 VSD 1250 mbar / 18 psi models
1.4
1177
1177
1766
1766
2354
2354
2943
Flow (cfm)
Flow (cfm)
2943
3531
3531
26.1
26.1
1.6
23.2
1.4
20.3
1.2
2
17.4
1
1
14.5
0.8
23.2
20.3
0
Pressure [bar(e)]
1.6
1.8
589
Pressure (psig)
Pressure [bar(e)]
1
0.8
14.5
0.6
11.6
0.6
8.7
0.4
8.7
0.6
0.4
5.8
5.8
0.4
0.2
2.9
2.9
0.2
0
0
0
0
1.2
17.4
11.6
0.8
1.4
500
500
1000
1000
1500
1500
2000
2000
2500
2500
3000
Flow (m3/hr)
3000
Flow (m3/hr)
ZB 37
37 VSD-1250
VSD-1250
ZB 50
50 VSD-1250
VSD-1250
ZB 37 VSD-1250
ZB 70
70 VSD-1250
VSD-1250
ZB 50 VSD-1250
ZB 85
85 VSD-1250
VSD-1250
ZB 70 VSD-1250
ZB105
ZB 105VSD-1250
VSD-1250
ZB 85 VSD-1250
ZB105 VSD-1250
0.2
0
0
Technical specifications ZB 5-120 VSD
Length
Width
Height
mm
Weight
DN / PN
kg
ZB 5-500 VSD
906
600
900
152
ZB 10-500 VSD
906
600
900
156
DN80/PN80
ZB 22-400 VSD
1426
700
1100
273
DN150/PN10
ZB 22-500 VSD
1426
700
1100
273
DN150/PN10
ZB 22-750 VSD
1426
700
1100
273
DN150/PN10
ZB 30-400 VSD
1426
700
1100
294
DN150/PN10
ZB 30-500 VSD
1426
700
1100
294
DN150/PN10
ZB 30-750 VSD
1426
700
1100
294
DN150/PN10
ZB 37-500 VSD
1706
700
1100
340
DN150/PN10
ZB 37-750 VSD
1706
700
1100
340
DN150/PN10
ZB 37-1250 VSD
1706
700
1100
340
DN150/PN10
ZB 50-500 VSD
1706
700
1100
385
DN150/PN10
ZB 50-750 VSD
1706
700
1100
390
DN150/PN10
ZB 50-1250 VSD
1706
700
1100
390
DN150/PN10
ZB 70-500 VSD
1726
850
1370
591
DN200/PN10
ZB 70-750 VSD
2026
1000
1370
611
DN200/PN10
ZB 70-1250 VSD
2026
1000
1370
611
DN200/PN10
ZB 85-500 VSD
1726
850
1370
637
DN200/PN10
ZB 85-750 VSD
2026
1000
1370
687
DN200/PN10
ZB 85-1250 VSD
2026
1000
1370
687
DN200/PN10
ZB 105-500 VSD
1836
1000
1500
742
DN250/PN10
ZB 105-750 VSD
2206
1250
1500
742
DN250/PN10
ZB 105-1250 VSD
2206
1250
1500
742
DN250/PN10
ZB 120-500 VSD
1836
1000
1500
860
DN250/PN10
ZB 120-750 VSD
2206
1250
1500
900
DN250/PN10
DN80/PN80
H
L
W
ZB 5-120 VSD 5-120 kW/7-160 hp
Pressure [bar(e)]
1.8
589
Pressure (psig)
0
0
Driven by innovation
With more than 135 years of innovation and experience, Atlas Copco will deliver the
products and services to help maximize your company’s efficiency and productivity.
possible cost of ownership. Through continuous innovation, we strive to safeguard
your bottom line and bring you peace of mind.
Building on interaction
As part of our long-term relationship with our customers, we have accumulated
extensive knowledge of a wide diversity of processes, needs and objectives. This
gives us the flexibility to adapt and efficiently produce customized compressed air
solutions that meet and exceed your expectations.
A committed business partner
Our commitment to you does not simply end when your Atlas Copco products
have been delivered and installed. We have an extensive range of aftermarket
services to offer you continued support, whenever you need it. With a presence
in over 160 countries, we can deliver high-quality customer service anytime,
anywhere. Our highly skilled technicians are available 24/7 to answer any queries
you may have. And all of this is backed by an efficient logistics organization,
ensuring fast delivery of genuine spare parts when you need them. With Atlas
Copco you can rest assured that your superior productivity will always be our
first concern!
www.atlascopco.com
2935 0572 10 – Printed in Belgium – Subject to alteration without prior notice. Never use compressed air as breathing air without prior purification in accordance with local legislation and standards.
As an industry leader, we are dedicated to offering high air quality at the lowest