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Some applications may need or may benet rom additionaloptions and more rened control and air treatment systems.To meet these needs, Atlas Copco has developed options

and easily integrated compatible equipment providing the lowestcost compressed air.

Optimize your system

Oion

Main switch Special paint

Automatic cooling water shut-o valve Anchor pads

Outdoor operation (weather-proo) ANSI fanges

High ambient versions: make sure the compressor perorms

even in the toughest environments o up to 50°C (122°F).

Graphic display

Monitoring and control options 5% input chokes

Integrated dryer IT variant

Integrated dryer bypass Marine AirIntegrated MD dryer Air contact

Technical specications 50 Hz and 60 Hz versions

* Unit performance measured according to ISO 1217, Ed 3, Annex C-1996

Reference conditions:

- absolute inlet pressure 1 bar (14.5 psi)

- intake air temperature 20°C (68°F) ** Noise level measured according to Pneurop/Cagi PN8NTC2, tolerance: 3 dB(A).

*** Integrated dryers will increase the weight.

**** For ZT air-cooled units: +3 dB(A).

FAD is measured at the ollowing working pressure: • 7.5barversionsat7bar.

• 8.6barversionsat8bar.

• 10barversionsat9.75bar.

Dinion (/inch)

Lngh Widh High

1760 / 69.3" 1026 / 40.4" 1621 / 63.8"

2005 / 78.9" 1026 / 40.4" 1880 / 74.0"

2195 / 86.4" 1026 / 40.4" 1621 / 63.8"

2440 / 96.1" 1026 / 40.4" 1880 / 74.0"

COmpressOr

type

ma. wokingu

Caaci FAD*Inalld

oo owNoi lvl**

Wigh wihoud*** Ingad

davailablba() ig l/ 3/in c kW h dB(A) kg lb

Air-cooled only

ZT 15 7.5 109 37.6 2.3 80

15 20 65 1060 2337 ID8.6 125 34.9 2.1 74

10 145 29.9 1.8 63

ZT 18 7.5 109 48.0 2.9 102

18 25 67 1080 2381 ID/IMD8.6 125 45.7 2.7 97

10 145 37.2 2.2 79

ZT 22 7.5 109 59.0 3.5 125

22 30 69 1086 2394 ID/IMD8.6 125 53.2 3.2 113

10 145 45.0 2.7 95

Air- (ZT) And wATer-cooled (Zr)

ZR/ZT 30 7.5 109 78.7 4.7 16730 40 63 1432 3157 ID/IMD

8.6 125 73.7 4.4 156

ZR/ZT 37 7.5 109 96.5 5.8 204 37 50 65 1432 3157 ID/IMD8.6 125 92.1 5.5 195

ZR/ZT 45 7.5 109 114.4 6.9 24345 60 67 1432 3157 ID/IMD

8.6 125 108.9 6.5 231

ZT 22 VSD 7.5 109 20.6-55.3 1.3-3.4 43.8-117.6

22 30 69 1120 2469 ID8.6 125 20.1-51.0 1.2-3.1 42.7-108.5

10 145 19.7-47.0 1.2-2.8 41.9-100

ZR/ZT 37 VSD 7.5 109 41.3-101.2 2.5-6.2 87.8-215.237 50 68 1432 3157 ID/IMD

8.6 125 41.2-97.3 2.5-5.9 87.6-206.9

ZR/ZT 55 VSD 7.5 109 41.3-142.5 2.5-8.7 87.6-303.155 75 68 1432 3157 ID/IMD

8.6 125 41.2-138.8 2.5-8.4 87.6-295.2

ZT 15-22

ZR/ZT 30-45

ZT 22 VSD

ZR/ZT 37-55 VSD

H

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Divn b innovaionWith more than 135 years o innovation and experience, Atlas Copco will deliver the

products and services to help maximize your company’s eciency and productivity.

As an industry leader, we are dedicated to oering high air quality at the lowest

possible cost o ownership. Through continuous innovation, we strive to saeguard

your bottom line and bring you peace o mind.

Building on inacion

As part o our long-term relationship with our customers, we have accumulated

extensive knowledge o a wide diversity o processes, needs and objectives.

This gives us the fexibility to adapt and eciently produce customized compressed

air solutions that meet and exceed your expectations.

A coid buin an

With a presence in over 170 countries, we will deliver high-quality customer

service anywhere, anytime. Our highly skilled technicians are available 24/7

and are supported by an ecient logistics organization, ensuring ast delivery

o genuine spare parts when you need them. We are committed to providing

the best possible know-how and technology to help your company produce,

grow, and succeed. With Atlas Copco you can rest assured that your superior

productivity is our rst concern!

www.atlascopco.com

2 9 3 5 0 8 7 3 4 6 – P r i n t e d i n B e l g i u m –

S u b j e c t t o a l t e r a t i o n w i t h

o u t p r i o r n o t i c e .

Nv u cod ai a bahing ai wihou io

uicaion in accodanc wih local lgilaion and andad.

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Atlas CopcoOil-ree Rotary Tooth Compressors

ZT 15-22, ZR/ZT 30-45, ZR/ZT 22-37-55 VSD® (15-55 kW / 20-75 hp)

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Economical, high quality oil-ree air

Clean, oil-ree compressed air is a prerequisite or the continuityand quality o many manuacturing processes. Over the pastdecades, Atlas Copco has pioneered the development o oil-reerotary tooth technology, resulting in a ull range o highly reliable

compressors delivering 100% oil-ree and clean air. Developedespecially or applications demanding the highest levels o purity,Atlas Copco’s ZR/ZT series compressors eliminate the risks o oilcontamination as well as the resulting extra costs. By preventingoil rom entering the compression process, the generation o 100%oil-ree air is ensured while you benet rom lower operatingand maintenance costs with a CLASS 0 certied compressor.

prOVeN peACe OF mIND

For over sixty years, Atlas Copco has been leadingthe industry in oil-ree compressed air technology,

drawing on vast experience and continuoustechnological innovations. You can rest assured at alltimes: severe certication and testing procedures areconducted to ensure air is supplied to the higheststandards o quality control. Backed by extensiveknow-how in the eld o developing the most reliablequality air solutions, Atlas Copco is the onlymanuacturer that oers such a vast range o dierenttechnologies to match your exact needs. This ensuresthat you can always nd the perect solution or yourspecic application.

100% OIL-Free AIr

Your activities in pharmaceutical production, oodprocessing, critical electronics or in a similarly

exacting industry demand the best air quality ora guaranteed end product and production process.Preventing oil rom entering the compressionprocess is a necessity or the generation o consistent100% oil-ree air. Designed with your specicapplications in mind, Atlas Copco’s rotary toothcompressors eliminate the risks o oil contaminationand the accompanying product spoilage, branddamage and delays that represent extra costs.Certied ISO 8573-1 CLASS 0 by the renowned TÜVinstitute, the ZR/ZT compressors ensure the saetyo your application and at the same time allow youto enjoy lower operating and maintenance costs.

reDUCeD eNerGy COsts

As energy accounts or more than 70% o acompressor’s liecycle costs (LCC), its importanceis obvious. The most cost-eective compressed airsolution optimizes the pressure, volume and airtreatment equipment or each production process.Atlas Copco’s ZR/ZT compressors provide you withthe ultimate all-in-one package to decrease yourelectricity bill by an average o 35%. To help you saveenergy, regardless o whether you require a low orhigh-capacity compressor, our VSD range has beenexpanded with the ZT 22 VSD and the ZR/ZT 55 VSD.

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At Atlas Copco we aim to provide you with compressors that ullland even exceed your expectations and demands. Built as the resulto decades o experience in oil-ree design and manuacturing,the ZR/ZT range o oil-ree rotary tooth compressors brings you all

o this experience and knowledge in a class leading package.

A reliable quality air package

Zr/Zt 15-45

ZR/ZT 15-45 compressors are designed as ully integrated andcompact (silenced) packages with drive motor, coolers, moisturedrains and ltration along with a controller to ensure optimumeciency and reliability. The Full Feature versions includethe integration o a choice o drying technologies to ensurecompliance with your air requirements and make the best useo your valuable foor space.

Zr/Zt VsD serIes

The integrated requency converter o the ZR/ZT VSD series variesthe speed o the drive motor to exactly match the changes in yourcompressed air demand, thus using the minimum amount

o energy and more than justiying the additional investment.

ZR 55 VSD-FF ront view

The integrated concept, the converter-motor-compressorcombination, oers various advantages:

•ensuredelectromagneticcompatibility.

•fullregulationbetween30and100%ofthemaximum

capacity.

•upto25%energysavings.

In addition, Variable Speed Drive oers:

•processreliability.

•lowerandconstantairpressure.

•lowstartingtorque.

•lowstartingcurrents.

•constant,highpowerfactorthroughoutthespeedrange.

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Set to meet your specic demands and tackle your daily challenges,Atlas Copco oers you the ZR/ZT rotary tooth compressors.Immediately ready to supply high quality oil-ree air, this powerulsolution provides you with the exceptional reliability, eciency

and integration you are looking or.

A variety o benefts

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To ensure that we can meet your exacting requirements whenit comes to compressed air quality, you are able to choose romeither rerigerant or adsorption drying technology.For a quality end product and reliable production process,Atlas Copco oers the unique range o MD adsorption dryers,specially designed to work with proven oil-ree air Z-compressors.

Atlas Copco’s MD adsorption dryers are environmentally riendlyand cost-eective:

• noFreonorCFCused.

• only0.06kWofadditionalpowerrequired.

• nolossofcompressedair.

• completedryercorrosionprotection.

• availableinwater-andair-cooledversions.

• fullyautomaticoperation.

• continuousdryerregenerationusingcompressionheat.

• lowdewpoint.

eNVIrONmeNtALLy FrIeNDLy AND COst-eFFeCtIVe

Integrated adsorption dryer

ZR 55 VSD-FF

5 811

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HIGHest reLIABILIty

1. AIr FILter

SAE ne 99.5%; SAE coarse 99.9%.The robustair inlet lter oers a long lietime and highreliability or long service intervals andlow maintenance needs. For the harshestenvironments, maintenance intervals are

pre-calculated. To acilitate maintenance evenurther, the air lter is very easy to replace.As the air lter and silencer are combined,sound insulation is ensured.

2. INDUCtION mOtOr

An induction motor, fange-mounted or perectalignment. Available in two versions: IP54 orVSD models and IP55 or xed speed models.The dry motor coupling requires no lubrication,

eliminating service requirements.

3. eLeCtrONIC WAter DrAINs

Mounted vibration-ree on the rame,the drains communicate with the compressorcontroller to ensure the constant removalo condensate. This not only improveswater separation, but also extends yourcompressor’s lietime. A large diameter drainport removes the potential or clogging,

providing trouble-ree operation.

tOtAL sUperVIsION AND mONItOrING

4. eLeKtrONIKON®

Advanced Elektronikon® control and monitoring system, designed or integration in a (remote)process control system.

QUIet OperAtION

9. sOUND INsULAteD CANOpy

No separate compressor room is required asthe sound insulated canopy allows orinstallation in most working environments.Producing 3 dB less than previous Pack units,the Z compressors are only available inWorkPlace Air System™ versions.

10. rADIAL FAN

The radial an, which ensures that the unit iscooled eectively, produces as little noise aspossible.

5. GeNerAL DesIGN

The split roo panel enables the removal o

the IMD dryer’s cover and drum, making

maintenance easier when you have installed

an ducting. The IMD dryer is an independent

module, which allows or easier replacement.

11. INterCOOLer AND AFterCOOLer

Thanks to the vertical layout o the coolers,the noise levels rom the an, motor and

element have been drastically reduced.

eNerGy sAVINGs

6. tWO-stAGe tOOtH eLemeNt

Lower energy consumption compared tosingle stage compression systems as noventing o the pressure is required, ensuringthat the minimum power consumption o the unloaded state is reached rapidly.

7. INteGrAteD VsD CONVerter

With VSD automatically adjusting thecompressed air supply to the demand, youcan avoid a large waste o energy due to noload operation and oil vessel blow-o losses.Additionally, the VSD is able to operate ina narrow pressure band setting which reducesthe overall system working pressure.

8. INteGrAteD Dryer

Saver cycle technology reduces the energyconsumption o the integrated air treatmentin light load conditions. As the condensateseparation is integrated, water separation isimproved and the Pressure Dew Point (PDP)becomes more stable.

eAsy mAINteNANCe

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When it comes to clean, oil-ree compressed air or your criticalprocesses, you can’t aord to compromise. Atlas Copco,

a pioneer in oil-ree air technology, is known or its range o rotary tooth compressors designed especially or applicationsthat require oil-ree air. Now Atlas Copco has achieved a newmilestone: setting the standard or air purity as the rstmanuacturer to be certied ISO 8573-1 CLASS 0.

ISO 8573-1 CLASS 0

Atlas Copco sets a new industry standard

Industries such as pharmaceuticals, ood and beverages,electronics and textiles must exclude any risk o contamination.Otherwise severe consequences could ollow: spoiled or unsaeproducts, production downtime and damage to both brandand reputation. To address the needs o critical applications whereair purity is essential, the ISO 8573-1 compressed air standard wasrevised in 2001. Along with a more comprehensive measuringmethodology, a new and more stringent class was added tothe ve existing purity classes: ISO 8573-1 CLASS 0.

As the industry leader committed to meeting the needs o the mostdemanding customers, Atlas Copco requested the renowned TÜVinstitute to type-test its ZR/ZT range o oil-ree rotary toothcompressors. Using the most rigorous testing methodologiesavailable, all possible oil orms were measured across a range o temperatures and pressures. The TÜV ound no traces o oil at allin the output air stream. Thus Atlas Copco not only becamethe rst compressor manuacturer to receive CLASS 0 certication,but also exceeded ISO 8573-1 CLASS 0 specications.

Only oil-ree compressors deliver oil-ree air. Whether youractivities are in pharmaceutical production, ood processing,critical electronics or a similarly exacting industry, it is essentialto eliminate risk. That’s why you need an Atlas Copco risk-reesolution: oil-ree compressors especially or applicationsdemanding the highest levels o purity. Zero oil means zero risk.Zero risk o contamination. Zero risk o damaged or unsaeproducts. Zero risk o losses rom operational downtime.Above all, zero oil means zero risk o ruining your hard-won

reputation.

WHy A NeW CLAss?

FIrst tO ACHIeVe IsO 8573-1 CLAss 0 AtLAs COpCO eLImINAtes ANy rIsK

Concentration total oil(aerosol, liquid, vapor) mg/m3

A cid b h quin uo uli and o ingn han cla 1

< 0.01

< 0.1

< 1

< 5

CLAss

0

1

2

3

4

The only air compressors TÜV-certifed as “oil-ree” (ISO 8573-1 CLASS 0)

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Most manuacturers preer “partial fow” testing, which targetsonly the center o the air fow. The Atlas Copco ZR/ZT range o oil-ree rotary tooth compressors was tested using the more

stringent “ull fow” method. This examines the entire air fow tomeasure aerosols, vapors and wall fow. Even with such rigoroustesting, no traces o oil were ound in the output air stream.

CAN OIL-INjeCteD COmpressOrs WItH OIL remOVALFILters DeLIVer OIL-Free AIr?

Oten reerred to as “technically oil-ree air”, this system relies on air cooling devices and severalstages o oil removal with multiple components. A ailure o any o these components or

inadequate maintenance can result in oil contamination o a process. Thereore, with oil-injectedcompressors there will always be a risk o contamination and the possibility o severeconsequences or your business.

tHe mOst strINGeNt AIr pUrIty testING AVAILABLe

Aool

Minute droplets o oil suspended in the air stream

Wall fow

Oil in liquid orm, which creeps along the pipe wall

Vao o oil i

Vaporized oil in a cloud orm

TÜV (Technische Überwachungsverein/Technical Monitoring Association) reporting on the Atlas Copco ZR/ZT range o oil-ree rotary tooth compressors.

mov u o a ik- andad.

Vii www.clazo.co

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rOtOrs

Stainless steel symmetrical rotors ensure perect dynamic balancing and minimum bearing loadto guarantee a long lie span.

AxIAL IN AND OUtLet pOrt

The straight rotor design and the opposing axial in and outlet port avoid axial loadon element components, increasing element lietime.

AIr-COOLeD DesIGN

Cast teeth allow or ecient heat dissipation, eliminating the need or a complex cooling watersystem and ensuring greater reliability.

seALs

Two independent loating oil and air seals, separated by a neutral buer area, saeguardthe compression chamber rom oil penetration.

Proven technology, maximized efciency

To provide you with top-quality, 100% oil-ree air, Atlas Copco’sZR/ZT series incorporates a range o advanced technologies.The unique rotary tooth element increases eciency thanks totwo-stage compression. As no venting o the pressure element is

required, the energy consumption is considerably lower comparedto single stage compression systems. With its symmetricaland dynamically balanced design, the double tooth element ensuresan increased ree air delivery and delivers consistent perormanceover time.

tHe rOtAry tOOtH WOrKING prINCIpLe

1. Atmospheric air is drawn through the inlet port intothe compression chamber as a result o the rotational actiono the tooth rotors.

2. Air is trapped between the teeth o the male and emalerotors.

3. Compression takes place. The male and emale rotor turntowards each other, decreasing the ree space, resulting in

an increase in pressure.4. The emale rotor exposes the outlet port and the compressed

air is delivered to the system.

Intake

Transport

Compression

Delivery

Outlet port

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Contrary to traditional compressor installations, Atlas Copco’s ZR/ZTWorkPlace Air System ™ compressors eortlessly t onto your workfoor. With their compact ootprint and integration o air treatmentequipment, ZR/ZT compressors ensure optimum efciency and reliability.

Thanks to the vertical layout o the coolers, the noise levels romthe an, motor and element have been drastically reduced. Designedto give the most versatile source o compressed air, they provideyou with an all-in-one package that will have your production runningsmoothly or years to come.

Generated by the compressor: ± 10 bar

Used at the point of use: ± 8 bar

LImIteD INterNAL system pressUre DrOp

INteGrAteD AIr AND CONDeNsAte

treAtmeNt eQUIpmeNt

reDUCeD pIpING COsts

sINGLe pOINt CONNeCtIONs

sINGLe pOINt mONItOrING

WOrKpLACe AIr system™

Generated by the compressor: ± 8.3 bar Used at the point of use: ± 8 bar

HIGH pressUre DrOp ACrOss tHe system

exterNAL FILtrAtION eQUIpmeNt/Dryer

eLABOrAte AND COstLy pIpING system

mULtIpLe CONNeCtIONs AND AIr LeAKs

mULtIpLe mONItOrING pOINts

HIGH NOIse OperAtION

sepArAte COmpressOr rOOm

rAIseD INstALLAtION & eNerGy COsts

As A resULt OF HIGH pressUre DrOpPressure loss: ± 2 bar

Pressure loss: limited

LOW NOIse OperAtION

NO NeeD FOr DeDICAteD COmpressOr rOOm

mINImIZeD INstALLAtION COsts

Exceptional versatility

trADItIONAL COmpressOr set-Up

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tHe HIGH prICe OF FLUCtUAtING DemAND VsD: VArIABLe VOLUme, CONtrOLLeD COsts

ADVANCeD eLeKtrONIKON® GrApHIC CONtrOLLer

•Improveduser-friendliness:3.5-inchhigh-denitioncolordisplay with clear pictograms and extra 4th LED indicator or service.

•Optional5.7inchdisplayavailable.

•Internet-basedcompressorvisualizationusingasimple Ethernet connection.

•Increasedreliability:new,user-friendly,multilingualuserinterface

and durable keyboard.

•Automaticrestartaftervoltagefailure.

•GraphicalindicationServiceplan.

•Remotecontrolandconnectivityfunctions.

eNerGy sAVINGs OF Up tO 35%

Atlas Copco’s VSD technology closely ollows the air demand by automatically

adjusting the motor speed. This results in large energy savings o up to 35%.

The lie cycle cost o a compressor can be cut by an average o 22%. In addition,

lowered system pressure with VSD minimizes energy use across your

production dramatically.

tOtAL COmpressOr LIFe CyCLe COst

VSD: driving down energy costs

Energy typically represents over 80% o a compressor’s lie cycle cost. Looking continuously to innovate and reduce customercosts, Atlas Copco pioneered the Variable Speed Drive technology (VSD) in 1994. VSD st ands or major energy savings,while protecting the environment or uture generations. Due to our ongoing investments in R&D, Atlas Copco oers thewidest range o integrated VSD compressors on the market.

Energy

Energy savings with VSD

Investment

Maintenance

Energy consumption

Air demand

Air demand

Tm

Energy consumption

VSD energy consumption

Air demand

Tm

Energy consumption

Air demand

Traditional compressors working with a ull load, no load control

operate between two set pressure points. When maximum

pressure is reached the compressor goes o load. During periods

o medium to low air demand, the no load power consumption

can be excessive – wasting large amounts o energy.

Because there is no unnecessary power generated, the Z VSDcan reduce energy costs by 35% or more. Lie cycle costs(LCC) o the compressor can be reduced by an average o 22%.In general, the extra cost o a VSD compressor comparedto a fxed speed one can be earned back ater just one to two years.

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With the ZR/ZT range, Atlas Copco does not just oer the mostreliable and ecient compressors. From lter kits to a completepiping installation, Atlas Copco can take responsibility or your

entire compressed air system to provide you with best-in-class air.

Choose rom a wide range o Atlas Copco ater sales productsand services that will have your ZR/ZT perorming at its bestor years to come. Qualied Atlas Copco support is available

in over 150 countries.

Don’t compromise your investment in quality by buying partsthat are not manuactured according to Atlas Copco’s standardso excellence. Only Atlas Copco genuine parts can deliver our

well-known quality, durability and low energy.

Monitor the perormance o your ZR/ZT at any time rom your desk,

or let your local Atlas Copco center do it or you. With AIRConnect ™, you check your compressed air system online, immediately

receiving warning indications and even remotely taking preventive action to avoid downtime.

Peace o mind

Our Atermarket product portolio is designed to add maximum value or our customers by ensuring the optimum availability and reliability o their compressed air equipment with the lowest possible operating costs.

GeNUINe pArts AIrConnect ™

Choose a Total Responsibility, Preventative Maintenance

or Inspection Plan to get the scheduled maintenance to keep yourcompressor operating trouble ree. Rest assured that Atlas Copcocan oer its 24/7 backup to keep your production running.

Expect the highest eciency rom your ZR/ZT, and the pipingbuilt around it. AIRnet™ saely delivers high-quality compressedair rom point o generation to point o use. Separate workplacesare eortlessly connected. Fixed to walls or ceilings, AIRnet’srange o ttings lets you custom-build a compressed air systemspecic to your production needs.

serVICepLAN AIrNet

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Incoming air

Hot unsaturated air

Cooled saturated air

Hot saturated air

Dry compressed air

Cooling water

Condensate

Insulation

Oil

AIr/OIL FLOW Zt/ID

AIr/OIL FLOW Zt/ImD

Incoming air

Hot unsaturated air

Cooled saturated air

Dry compressed air

Oil

Rerigerant gas

Rerigerant liquid

Insulation

Condensate

Ai-coold

Wa-coold

Ai-coold

Wa-coold

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