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Atlas Copco Air Compressors
H seriessingle and multi-stage centrifugal air compressors
PROVEN RELIABILITY
COST-EFFECTIVEAND EFFICIENT
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For the past century, Atlas Copco has built a close
relationship with customers in virtually every industry,
to better understand their process, their turbo machinery
applications, and how their needs are best served.
More than a thousand installations within fifteen
years of its introduction clearly demonstrate the success
of the H series solution. In the air separation, process,
petrochemical, pharmaceutical, automotive, utility and
mining industries, the H series has earned wide accept-
ance for dependable, cost-effective operation. The HA
single-stage variant has proven its worth in processes
like water treatment, flue gas desulphurization,
fluidized bed reactors etc.
Across these industries, there is common demand for
short lead times, high reliability, maximum uptime, ease
of operation and maintenance, and a fast return on
investment. Some industries have additional require-
ments, such as compliance with the API specifications
(American Petroleum Institute), or specific testing and
documentation.
H series compressors are uniquely capable of meeting
all these requirements as a standard package, modified for
air separation combined-service applications, or totally
engineered to API specifications and process-specific
requirements.
Customer interactionand broad application experience
In standard industrial applications, Atlas Copco
engineers have clearly demonstrated that the H series is
extremely competitive when the long-term benefits of
high quality equipment are considered.
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H series centrifugal compressors are the culmination
of more than 100 years of Atlas Copco experience in air
compression. It is this expertise that made us the worlds
undisputed leader in the manufacture of compressors.
The H series combines the best technology for
the delivery of oil-free compressed air with innovative
engineering and manufacturing techniques developed
for industrial and process compressors.
The design of the H series was driven by customer
demand for a compact, reliable, highly efficient
compressor package to match their high volume air
compressor applications.
Atlas Copcos engineering expertise and the
adherence to extensive quality assurance measures
certified to ISO 9001 standards help produce these
process-quality centrifugal compressors that offer
efficient operation, minimal maintenance and a wide
spectrum of applications. The results are enhanced
productivity and profitability.
H series redefinesreliable oil-free operation
Quality engineered components optimize
performance and reliability
The major components of each H series compressor
package the aerodynamic section, interstage coolers,
integral gearing, lubrication system and operating
controls have been engineered to deliver reliable
performance.
Critical components such as impellers, casings, guide
vanes, shaft seals, gears and bearings are manufactured
from field-tested, proven designs to provide a high level
of aerodynamic performance and mechanical reliability
usually found only in more expensive turbo machinery.
Quality assurance of the assembled unit includes
complete acceptance testing at operating pressures and
rated speeds. All specified operating conditions are simu-
lated and performance of all compressor components is
measured and recorded prior to final approval.
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Quality engineered components optimize performanceand ensure a long lifetime
1-stage HA series
Superior aerodynamics improve efficiency under
all operating conditions
The aerodynamic section is the heart of the compres-
sor. Here, the ambient air entering the inlet is forced to
the outer perimeter of the rotating inducer-type impeller.
The impeller blades direct the air and the resulting
centrifugal force increases the velocity and pressure of
the air. The design of the H series impellers provides
excellent flow/pressure ratios and superior turndown.
Air leaving the impeller enters a vaned diffuser
passage, which reduces its velocity and increases its
pressure. The vanes are designed to aerodynamic profiles
that reduce pressure losses and increase stage efficiencies.
The compressed air then passes through a scroll volute,
where the diffusion process continues, and into the inter-
cooler. The process is repeated in each additional com-
pression stage.
Proven bearing technology for extended service life
tilting pad high speed radial bearings with five self-centering
pads for stable shaft rotation
tapered land high speed thrust bearings absorb primary thrust
bearings are horizontally split for easy inspection
Premium gearing for reliable operation
single helical design effectively counterbalances aerodynamic
thrust loads
machining tolerances in accordance with AGMA Q-13 (DIN 5/6)
for optimal tooth contact ensuring:
high mechanical efficiency
low noise
individually replacable/interchangeable bullgear and pinions
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Horizontally split gearbox simplifies maintenance
removable gearbox top for inspection of gears, bearings
and seals without disconnecting system piping
groove cut into gearbox accommodates
O-ring to eliminate oil leaks
HA
4-stage H series
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Exclusive impeller design delivers maximum efficiency
high performance inducer-type impellers, precisely matched to flow
and pressure needs
precision-cast 17-4 PH (1.4540 DIN) stainless steel for maximum operating
efficiency in any application
Diffuser design for greater turndown
complement impellers aerodynamic characteristics
to achieve higher adiabatic efficiencies
designed to profiles that reduce pressure losses and
increase stage efficiencies
help maintain constant head at reduced flow
adjustable diffusers available as an option on
single stage HA units
Shrink-fitted labyrinth seals minimize air leakage
17-4 PH / DIN 1.4540 stainless steel labyrinth
sleeves rotating on the impeller shaft are mated
against a stationary aluminum ring
air leakage along the shaft is minimized and the shaft
is protected from scoring in the unlikely event
of rotor imbalance
Vent toatmosphere
Bearing
Oil drain
To gearbox drain
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capacity %
60 70 80 90 100 110
150
100
pressure%bar(e)
inlet throttlevalve at 100 %
pressure
100
90
80
70
power%kW
plant demand
inlet guide vanesat 100 % pressure
energy savings
Parallel-flow manifold (option)
connects cooling water for intercoolers and oil cooler
to a common inlet and outlet
discharge throttle valves on each cooler are included
Interstage piping facilitates maintenance
connected by sealed Victaulic couplings
easy removal without disassembling interstage coolers
Integral lubrication system reduces foaming action
completely self-contained pressurized lubrication system
integral oil reservoir in the compressor package base
dual-reservoir design reduces foaming action to ensure
uniform lubricant viscosity
no additional lubrication equipment is required
API 672 options available, such as dual oil coolers, dual oil filters
and stainless steel pipe
Adjustable inlet guide vanes for significant energy
savings (option)
aerodynamic performance improvement
energy cost reduction of up to 9% under reduced load,
compared to a conventional throttle valve system
reduction in energy required to deliver rated performance,
by spinning the incoming air in the rotational direction
of the first-stage impeller
adjustment of the flow to meet variations in
process conditions
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The best centrifugal compressor technologypackaged for optimum delivery of oil-free air
Electric drive motors
available in various voltages and enclosures
other drivers available, including steam turbines
and gas or diesel-powered engines
Precisely balanced drive coupling for smooth operation
flexible disc drive coupling
precisely balanced, vibration-free
no need for coupling lubrication
Compact, common base
integrates frame, intercoolers and lube oil reservoir
provides exceptional torsional rigidity
improves space utilization
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air flow through
compressor stages
and intercoolers
Electronic controller
monitors critical parameters during operation
standardized sequencing and data logging systems available
other control systems can be supplied to meet individual requirements
external communications with MODBUS, PROFIBUS and Atlas Copco
ES control systems
High quality coolers
extended surface water-in-tube/air-in-shell configuration
tubes can be cleaned in place for easy on-site maintenance
large diameter water tubes, straight-through flow
maximum heat exchange at lowest pressure drop
shells are integral part of compressor base
compressed air flow before the cooler
compressed air flow after the cooler
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Proven installationsin a broad range of applications
One of the four H series 4-stage compressors used to
supply air at a research center. Flow rate is 7,913 m 3/h
(4,682 acfm); inlet pressure is 0.97 bar a (14.1 psia) and
discharge pressure is 28 bar a (405 psia).
Four-stage compressor handles nitrogen at 15.0 psia
(1.03 bar a) inlet pressure and 285 psia (19.6 bar a) in
an air separation plant. Flow is 5,700 scfm (9170 m3/h),
and power rating is 1,580 hp (1,180 kW).
This H series unit, rated at 1,160 hp (870 kW), operates in
an air separation plant at a steel mill. Inlet pressure is 14.2
psia (0.98 bar a), and discharge pressure is 110 psia (7.6
bar a). Flow rate is 24,900 acfm (42,300 m3
/h).
Air supply to a pharmaceutical plant by a two-stage
H series unit rated at 1,150 hp (860 kW). Flow rate is
9,200 acfm (15,600 m3/h). Inlet pressure is 14.4 psia
(0.99 bar a), and discharge pressure is 65 psia (4.5 bar a).
Four 4-stage H series compressors provide air for
pipeline cleaning. Inlet pressure is 14.4 psia (0.99 bar a),
discharge pressure is 407 psia (28.1 bar a), and flow rate
is 9,700 acfm (16,500 m3/h).
Single-stage compressor provides 7000 cfm of air to a
waste water treatment plant in Colorado. Inlet pressure is
14.5 psia (1.0 bar a) and discharge pressure is 29 psia
(2.0 bar a).
1
1
2
2 3
3
4
4
5
5
6
6
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HM7
HA7
HL7
HM8
HL8
HA8 HA10HA9
HL10HL9
HM10HM9
HR10HR9ZH4000/7000
ZH6000/10000
ZH9000/15000
41-
30-
20-
13-
10-
5-4-
3-
2-
-600
-400
-300
-190
-150
-75
-50
-25
3
5.5
5
8.5
7
11.5
9
15.3
11
18.7
13
22.1
15
25.4
17
28.9
19
32.2
21
35.6
25
42.5
cfm x 1000
m3/h x 1000
barg psig
The H series part of a complete range of
Atlas Copco oil-free centrifugal compressors
The widest range of compressors,blowers and turboexpanders
ZH series centrifugal air compressors handle flows from
4,250 - 17,000 m3/h (2,500 - 10,000 cfm) at discharge pressures
up to 10.4 bar a (150 psig).
SC/TP integrally geared centrifugal compressors handle all
gases at flows from 500 - 110,000 m3/h (300 - 65,000 acfm)
at discharge pressures up to 69 bar a (1000 psia).
GT series integral-geared centrifugal compressors are
offered in one to six stages to handle all gases at flows
from 500 - 200,000 m3/h (300 to 120,000 acfm), at discharge
pressures up to 80 bar a (1,160 psia).
In addition to the centrifugal compressors, the Atlas Copco
product range includes screw compressors, blowers and
turboexpanders.
Dry-operating, water-injected, and oil-flooded rotary screw
compressors to deliver up to 14,200 m3/h (8,400 acfm) and
pressures up to 32 bar (460 psi).
Power recovery and cryogenic turboexpanders offered in a
power range of 0.5 to 12,000 kW, and pressures up to 200 bar
(2940 psi).
Please contact your Atlas Copco representative for literature
and information on compressors or turboexpanders for your
specific applications.
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Dimensions for standard H series compressors
Your productivity is our focus
Notes:
* typical height varies with motor type and configuration.
**weight includes typical motor; weight depends on final scope and motor configuration
height
Everyone at Atlas Copco is dedicated to this
philosophy. From initial compressor application
engineering to supervision of compressor start-up
and scheduled service calls, were committed to
ensuring the efficient, productive performance of
your compressor system.
With customer centers in more than 70 countries,
you can count on a prompt service wherever your
Atlas Copco compressor is installed. We know how
important it is to keep your plant in operation, so we
are never more than a phone call or e-mail away.
Length Width Height* Weight**
Type mm in mm in mm in kg lb
single-stage
models HA
HA7 3050 120 1780 70 2290 90 6350 14000
HA9 3555 140 1830 72 2540 100 6800 15000
HA10 4055 160 2080 82 2800 110 7710 17000
2-stage & 3-stage
models HL& HR
H7 & H8 5000 197 2300 90 2700 106 8390 18500
H9 6300 248 3300 130 3460 136 19960 44000
H10 7300 287 3400 134 4050 159 23590 52000
4-stage
models HM
HM7 & HM8 5000 197 3060 119 2700 106 10200 22500
HM9 6300 248 3060 119 3460 106 21770 48000
HM10 7300 287 4400 172 4050 159 25400 56000
widthHM
widthHR&HL
length
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Thefa
ce
ofinnovation
What sets Atlas Copco apart as a company is our
conviction that we can only excel in what we do, if we
provide the best possible know-how and technology to really
help our customers produce, grow and succeed.There is a unique way of achieving that - we simply call
it the Atlas Copco way. It builds on interaction, on long-term
relationships and involvement in the customers' process,
needs and objectives. It means having the flexibility to adapt
to the diverse demands of the people we cater for.
It's the commitment to our customers' business that
drives our effort towards increasing their productivity through
better solutions. It starts with fully supporting existing
products and continuously doing things better, but it goes
much further, creating advances in technology through
innovation. Not for the sake of technology, but for the sake
of our customer's bottom line and peace-of-mind.
That is how Atlas Copco will strive to remain the first
choice, to succeed in attracting new business and to maintain
our position as the industry leader.
2935049010-
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www.atlascopco.com
Never use compressed airas breathing air without
prior purification inaccordance with local
legislation and standards.
ISO 9001A consistent quality earned
us the industrys leadership
and the customers trust.
ISO 14001Atlas Copcos
Environmental Management
System forms an integral part
of each business process.