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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.

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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.