1864 –2014 Quality by tradition – Founding period in 1864 –1907 150 years of Aerzener Maschinenfabrik

3D animation showing the new administration building inaugurated in 2013/14 on the premises of the company headquarters in Aerzen.

150 years of experience in all branches 150 years of quality, innovative ideas, 150 years global brand Aerzen Inouranniversaryyear2014weproudly service and efficiency Sowheredowestandtoday?Evenasa presentournewpromise:“ExpectPerform- Inouranniversaryyearwelookbackonan globalGroupwehavestillpreservedthe ance”.Thisunderlinesourcontinuing eventfulhistory.WhetherWilhelmMeyer characterofanindependent,medium-sized objectivetoourcustomersworldwideof whowasthefirstmanufactureronthe familycompany.Oursuccesshasalways first-rateperformancewithanewdefini - Europeancontinenttoproducepositive dependedcruciallyonhighqualitystan - tionofquality.Ourhighqualityaspirations displacementblowersusingtheRoots dardsaswellasadeeplyanchoredculture extendrightbackto1864whenWilhelm method,HermannAllstaedt,theManaging ofinnovationandconsistentcustomer MeyerfoundedamachinefactoryinAerzen. Directorduringthe1930swhofocusedpro - orientationinallpartsofthecompany. Withagoodfourdozenworkersthecom - ductionconsistentlyonblowers,pumpsand ProductsmadeinAerzenstandforsustain- panymadeagriculturalimplementssuch gasmetersorHassoHellerwhoinitiated abilityandenergyefficiency.Theyhelpto asharrowsandtedderswhilethefoundry aninternationalapproachbyfoundingthe protecttheenvironmentandresources. madedrinkingfountainsandcrossesfor firstsubsidiaryAerzenFrancein1968 – over Integrityandreliabilityareamongourmost tombstones.Thefirstpositivedisplace - thelast150yearsthe“Aerzeners”often valuableattributes.Allovertheworldcom - mentblowerwasproducedalreadyin1868. tookbravedecisionswhichputthemastep munication,teamspiritandtrust,commit - 150yearslater,ourfamilycompanywhich aheadofthecompetition.Evenso,time ment,initiativeanddiversityofopinions isnowbeingrunbythefourthgeneration andagainwehadtodealwithmajorchal - aretheelementarypillarsthatupholdour hasbecomeoneoftheworld’sleading lengessuchashyperinflationandtheglobal corporateculture – valuesfoundedinthe manufacturersofmachinesforconveying financialcrisisduringthe1920s,thethreat 150yearsofourhistory. andcompressinggas.Ourproductsstandfor ofdismantlinginthepost-waryearsorthe energyefficiencyandproceduresthathelp recenteconomiccrisessincethestartofthe protectresources.Around2,000employees newmillennium.Butevenindifficulttimes workforthecompanyatitsheadquartersin wehavealwayswonthroughwithquality Aerzenandinmorethan40subsidiaries products,innovativeideas,greatflexibility worldwide. andadistinctivefeelforcustomerand marketrequirementstogetherwiththe commitmentandsupportofourskilled, loyalworkers. Founding period in Aerzen 186 4–1907 150 years of Aerzener Maschinenfabrik

Aerzener Maschinenfabrik is founded in 1864 by the manufacturer and merchant Wilhelm Meyer.

Already as a young man, merchantWilhelm tradeshowforindustry,skilledcraftsand MeyerfromHanover(1836–1884)runsan factoriesinHanover.Thecompanyreceives agriculturalmachinefactoryinRehernear thefirstprizeforitsproductsintheagri- .Upto50workersproduceagricul - cultureandforestryclass.Numerousnew turalmachinery.Whenthepremisesget customersareacquiredduringthe1880s toosmall,in1864WilhelmMeyerfounds includingchemicalcompanies,shipyards, amachineryfactoryinAerzen.Heusesthe railwayworkshopsandotherup-and-coming nearbyGrießestreamtoprovidenatural branchesofindustry.TheRootsblowers powerforhismachines.Thecompanyswiftly becomeabest-sellerwiththeirincreasing establishescontactswithEnglandasthe popularityasblowersforsmithyhearths, motherlandofindustrialisationandsetsup oustingthehithertostandardbellows. anironfoundryinAerzen.From1868on - Thecompany’ssuccessisnotlimitedto wardsthecompanyproducesthefirstposi - alone:tractionenginesinparticu - tivedisplacementblowersproducedonthe larhelpAerzenerMaschinenfabriktoin - Europeancontinentusingthemethodde - creasinglycultivatenewsalesmarketsin velopedbyFrancisMarionRoots – blowers Russia,AustriaandHungary.Atthesame thatarefarmoreefficientthanconvention- timetheproductrangeisconstantlyex- almachines.Buttostartwith,thepositive pandedtoincludedrills,fieldforges,circular In 1864 Wilhelm Meyer, son of a displacementblowersarejustoneofawhole sawsandwellpumps.Thefoundryproduces Jewish bank and merchant family rangeofproducts.Initiallytheyareusedin notonlygardenfurnitureandcrossesfor thefieldforgesalsomadeinAerzenwhere tombstonesbutalsodrinkingfountains from Hanover, starts a machine theyareresponsibleforgeneratingwind. thatareputupinsquaresandmarket foundry in Aerzen. The company is AerzenerMaschinenfabrikalsobenefits placesthroughoutGermany. geared for success right from the fromtheeconomicboomfollowingthe start: in 1868 Aerzener Maschinen - foundingoftheGermanEmpire.Meanwhile about80employeesmaketheirlivelihood fabrik is the first company on the here.Amongothers,aforgeandametal - FOUNDING PERIOD IN AERZEN European continent to make posi - workingshopareaddedtothefactory. tive displacement blowers using WilhelmMeyerretiresfromthecompany the Roots method. In the 1880s in1872andhandsitovertohisyounger brothersSigmund(1840 – 1911)and the product range is extended to in - Emil(1841 – 1899).Theeconomic clude positive displacement blowers, upswingenjoyedby steam traction engines, drills and AerzenerMaschi - circular saws. An economic boom is nenfabrikduring thisperiodisdue triggered in 1897 when the railway abovealltothe line is opened from Hamelin via factorydirector Aerzen to Lage. The Weserbergland HeinrichMeierwhoworkstirelessly is now connected to Germany’s atdesigningandpatentingnewma- chines suchassteamtractionengines Traction engines for industrial centres. forthreshinggrainandteddermachines. threshing machines become best-sellers. Hedevotesparticularattentiontothe safetyofhisworkers.Forexample,machines madeinAerzenaredesignedwithdanger- ouscogwheelssecurelyaccommodated inmetalboxes.In1878AerzenerMaschi - nenfabrikcausesquiteasensationatthe

Since 1868, all the castings for machines made in Aerzen were produced in the factory’s own iron foundry (at the top). Founding period in Aerzen 186 4–1907 Specialist for positive displacement blowers 1907 –1938

Towards the end of the 19th century, pneumatic hammers and blowers are among the most important production lines at Aerzener Maschinenfabrik.

Justafewweekslateranewproduction recordissetup:the5,000thpositive displacementblowerisfinishedandsent toBerlinbyrail. Giventhecrisisinlarge-scaleagriculture, Thenewcenturybringsfundamental from1894thenewfactorydirectorWilhelm changesinthecompanymanagement.In Muhlertstopsproducingagriculturalma- 1902SigmundMeyerretiresfrombusiness chinery.Insteadhefocusesconsistentlyon andthelong-standingfactorydirector makingblowersandproductsforthe WilhelmMuhlertbecomestheManaging growingheavyindustrysuchassmithy Director.Whenprofitsfailtodevelopas hearths,heatingfurnacesandpneuma - expected,in1907theengineerHermann tichammers.AerzenerMaschinen- Allstaedt(1873 – 1942)fromawealthy fabrikisquicktoadaptto familyisbroughtintothecompany customerrequestsandcon - aspersonallyliablepartnerand stantlyincludesnewmachines ManagingDirector.Heturnsthe initsrangeincludingpitch companyintoaGmbH(limited machinesforbreweriesthat liabilitycompany). I applyacoatingofpitchto theinsideofwoodenbarrels. The workforce at the turn In1897Aerzenisconnected of the century in front of one uptotherailwaynetwork of the production buildings. andarealboomensues.

Precision blowers from Aerzen using the Roots method with steam drive and iron blades. Specialist for positive displacement blowers 1907 – 1938 150 years of Aerzener Maschinenfabrik

Hermann Allstaedt is Managing Director of Aerzener Maschinen - fabrik from 1907 to 1941.

Hermann Allstaedt putsAerzenerMaschi - nenfabrikbackontheroadtosuccess.He investsinexpandingtheAerzensiteand, likehispredecessors,focusesonexpanding therangeandonproductinnovations.One ofthebest-sellersconsistsofthe“modern dedustingsystem”forhouseswhichthe companystartsofferingin1909.Apositive displacementblowerfromAerzeninstalled inthebasementworkswithasystemof pipestoremovedustfromcurtains,carpets andfurniture.Inthesameyearthecompany obtainsapatentforsilencersforblowersto clearlyreducetheoperatingnoiselevelof themachines.HermannAllstaedt’swilling - nesstorespondatanytimetocustomers’ requestsisdemonstratedbytheinvention oftherunningorguidewheelsforturbo machinesin1910andthestartofproduction Followingasmoothstartinthepost-war forturboblowersforironfoundries,collieries years,AerzenerMaschinenfabrikthengoes andchemicalindustrialcompaniesin1911. throughadifficultperiodundertheimpact Engineer Hermann Allstaedt, WiththeoutbreakoftheFirstWorld ofthecrisesoftheWeimarRepublic.Gallop- Managing Director of Aerzener Warinsummer1914,manyofthe200work - inginflationhasamajoreffectonwork Maschinenfabrik since 1907, steers ersatAerzenerMaschinenfabrikvolunteer processes.Assoonastheworkersreceive formilitaryserviceorareconscriptedinto theirdailywages,theygoshoppingto SPECIALIST FOR POSITIVE DISPLACEMENT BLOWERS the company through stormy times: thearmedforces.Togetherwiththelackof spendasmuchaspossibleoftheirmoney the First World War and hyperinfla - workers,HermannAllstaedtalsostruggles whichlosesvaluebythehour.InAugust tion. From the mid 1920s, products tocopewiththerestrictionsprevailingin 1923AerzenerMaschinenfabrikdistributes made in Aerzen are being purchased internationaltraderelations.From1914/1915 itsownemergencymoneytotheworkforce. armsareproducedinAerzenerMaschinen - Itcaneitherberedeemedwiththecompany stabilitytoGermanybutthisstilldoesnot by an increasing number of pur- fabrik,includingaboveallguncarriages solidarityfundorisacceptedinpaymentby heraldagoldeneraforAerzenerMaschinen - chas ers in Germany and abroad. But consistingofmobilesteelframesfortrans - theKreditbankAktiengesellschaftHamelin. fabrik.InthecrisisHermannAllstaedtde- portingguns.Allinall,thecompanyman- Thecurrencyreformattheendof1923 after the stock market crash in 1929 cidestostartmakingrotarypistonpumps agestosurvivewellduringthewaryears. restoresacertaindegreeofeconomic the situation becomes increasingly again,whichhispredecessorMuhlerthad Andthefirstordersfromabroadstart stoppedproducinginthe1890s.Therotors dramatic. The company has to arrivinginAerzenagainalreadyin1919. ofthenewgenerationofpumpsarebased dismiss dozens of workers and Quality products “made onrotarypistons,similartotheblower. closes the foundry. With his brave in Aerzen”: the dedusting system patented in 1909 Theystandoutwithsymmetrical,two-cog decision to specialise from now on (at the top); rotation pumps profilessothattheycanpumpboththick in making positive displacement (at the bottom). andthinfluids.Thenewpumpsarelaunch- blowers, Hermann Allstaedt sets edin1926andaresooningreatdemand particularlyfromcustomersinthechemical the points for the company to find industry.Oneparticularsuccessconsists its way out of the crisis and into inanexportordertoIndiafor18pumps a successful future. attheendofthe1920s.

During the crisis of the 1920s, Aerzener Maschinenfabrik focuses on producing positive displacement blowers and rotary piston pumps. Specialist for positive displacement blowers 1907 – 1938 Innovation and investmen t 1939 –1960

In Aerzen they also use the proven Roots principle for rotary piston gas meters: blower MG 50 (on the left); a rotary piston gas meter station (at the bottom).

Thehesitanteconomicrecoveryin Aerzenisbroughttoanendin1929bythe NewYorkstockmarketcrashandthesub - sequentworldeconomiccrisis.Redun- danciescannotbeavoided.In1930only about100workersareemployedinAerzen. Furthermore,thefoundryisclosedafter 62years.Thiseliminatesmanyproducts fromtherange.ButatthesametimeHer - mannAllstaedtstartstoproducerotary pistongasmeters – acrucialsteponthe waytobecomingspecialistsforpositive displacementmachines.Purchaserssoon alsoincludeRuhrgasAGandFriedrich KruppAG.Bolsteredbythissuccess,from 1931HermannAllstaedtfocusesconsistent- lyonspecialisation.FromnowonAerzener Maschinenfabrikonlyproducesthreediffer- enttypesofpositivedisplacementmachines: blowers,pumpsandgasmeters,thussetting thepointsformovingthecompanyoutof theeconomiccrisis. Followingtheseizureofpowerbythe nationalsocialists,AerzenerMaschinen- fabrikbenefitsfromthegeneraleconomic recovery.Thefirstforeigncommercial agencyinMilanisopenedin1934.Inthe Reorganisation: in 1929, followingyear,AerzenerMaschinenfabrik all blower series are reorganised receivesalargeorderfromtheSovietUnion in their overall structure. andsuppliespositivedisplacementblowers forexpandingtheoilfieldsintheCaucasus. Anewproductionrecordiscelebratedin 1936withthedeliveryofthe20,000th positivedisplacementblower. I

This gas extraction unit is supplied by Aerzener Maschinen - fabrik in the 1930s to Friedrich Thyssen’s central coking plant in Duisburg-Hamborn. Innovation and investment 1939 – 1960 150 years of Aerzener Maschinenfabrik

The development and production of screw compressors begins in the middle of the Second World War. Karlheinrich Heller runs Aerzener Maschinenfabrik from 1941 to 1960.

In the middle of the SecondWorldWar, in1941HermannAllstaedthandsoverthe managementofthecompanytohisson- in-lawKarlheinrichHeller(1903 – 1960)who joinedAerzenerMaschinenfabrikasade - signengineeraftergraduatingfromthe TechnicalUniversityofBrunswickin1929 withadegreeofengineering.In1930he whichheputsintopracticeaftertheSecond marriesHermannAllstaedt’sonlydaughter WorldWar.Todaythescrewcompressoris AnnelieseAllstaedt(1909 – 1969).Thepos- oneofthekeyproductsmadebyAerzener itionofDeputyManagingDirectorisgiven Maschinenfabrik. toanexperiencedemployee,engineerPaul Despitethethreatofdismantlingafter Grote(1898 –1965).In1941theMinistryfor theendofthewarin1945,productionin ArmamentsandMunitionsplacesanorder Aerzenisswiftlyrestored.Butinstead withAerzenerMaschinenfabriktomakea ofhighlyspecialisedtechnicalmachines, screwcompressorasexhaustcompressor initiallythecompanymakesbeetjuice Since the start of the Second World innewtypesofsubmarine.Followingtwo presses,oilmillsandtobaccocutters.The War in 1939, contracts for arms yearsofnegotiations,asub-licencetomake consolidationoftheeconomicsituationin keep Aerzener Maschinenfabrik screwcompressorsisobtainedfromthe WestGermanyfollowingtheMarshallPlan working at capacity levels. In the SwedishcompanyLjungströmsÅngturbin, andtheintroductionoftheD-Marktrigger todaySvenskaRotorMaskinerAB(SRM). theperiodknownastheeconomicmiracle. middle of the war Karlheinrich Heller Astwin-shaftpositivedisplacementblow- TheWestGermanengineeringsectorin takes over the management from ers,theseareanidealadditiontothe particularisbooming.KarlheinrichHellerre - his father-in-law Hermann Allstaedt Aerzenproductrange.Theyachievehigher organisesthe166differenttypeseriesinto in 1941 and starts to develop the pressureconditionsthanpositivedisplace - amodularsystem – alandmarkdecision mentblowersthankstooil-freeconveyance whichby1954boostsproductivitybynearly first screw compressors. Aerzener withinnercompression.Rightfromthe 50 %.AtthesametimeKarlheinrichHeller Maschinenfabrik was essentially startKarlheinrichHellerplanstomakea alsofocusesonnewproductssuchasrotary spared from air raids during the universalscrewcompressor,aproject pistonpumpswiththethree-lobeRoots war, so that on obtaining permission profileanddoublehelicalgeartypeoil pumps.Othernewstepstakenintheearly from the British occupying force, 1950salsoincludemodernisingandexpand- work can begin again already shortly ingthetestandcalibrationdepartment after the end of the war. During the aswellassettingupacustomerservice 1950s, Aerzener Maschinenfabrik departmenttoperformregularcheckson INNOVATION AND INVESTMENT machinesdeliveredtocustomerstomake also experiences its own economic surethattheyfunctionperfectly.Giventhe miracle. The site in Aerzen is moder n- limitedexpansionpossibilitiesinAerzen ised and a branch factory is opened andthelackofanyothersuitablecon - structionlandavailableonthespot,in1953 in Hamelin. When Karlheinrich In1954AerzenerMaschinenfabrikhas TheAerzensiteisextendedattheend Aerzener Maschinenfabrik KarlheinrichHelleropensabranchfactory 464workersandofficeemployees.Although ofthe1950s.ThisentailsmovingtheGrieße also benefits from the sustained Heller dies suddenly in 1960, he inHamelin.Everymonth,upto1,000rotary growth in West Germany’s theworkforcegrowscontinuouslyasaresult streamwhichuptonowhasrunacross leaves behind a prosperous pistonsuperchargersaremadeinthefactory economy: here a worker inspects oftheboomthecompanystillpreservesa thecompanypremiseswithaconstantrisk unitmeasuring2,100squaremetresfor screw compressor rotors in company. friendlyworkingatmospherelikeinabig offlooding.Thentoday’sUnitIIIiscon - the test fixture. deliverytotruckandshipmanufacturers family.Aswithhispredecessors,thewell- structedfortheturningshopandthetool suchasHanomag,KruppandKlöckner- beingofhisemployeesisalwayscloseto shopasthefirstlargenew-buildafterthe Humboldt-Deutz. KarlheinrichHeller’sheart.Heletsthework - SecondWorldWar.Justafterthenewunit forceparticipateinthecompanyprofitsand isinaugurated,the100,000thpositive paysaspecialbonusformarriages,births, anniversariesandalsoforbuildingtheir ownhomes. Superchargers and scavenging blowers made in Aerzen are in great demand particularly with truck and shipbuilding companies. Innovation and investment 1939 – 1960 More internationalisation 196 0–2000

In 1959, workers proudly present the 100,000th positive displace - ment blower made in Aerzen (on the left). Aerzener Maschinen - fabrik shows its gas meters at an exhibition in Berlin (on the right).

displacementblowerleavesAerzener Maschinenfabrik.Inthemostsuccessful yearhithertointhecompanyhistory,the meanwhile600employeesgenerateoverall productionamountingto1,718tonnes. Toquotethelocalnewspaper;“Aerzener Maschinenfabrikplaysthesamerolefor AerzenthatKruppplaysforEssen.” ThesuddendeathofKarlheinrichHelleron 20July1960isagreatshock,notjustfor theworkforce.Around2,000peopleattend thefuneral.Theprocessiontothecemetery issolongthatattimesitdisruptstraffic onthemainB1road.Thisistheendofan erainAerzen. I

Although the workforce grows during the busy years of the “economic miracle”, the com - pany still preserves a friendly working atmosphere like in a big family; group picture showing the production department. More internationalisation 1960 – 2000

Hasso Heller is Managing Director of Aerzener Maschinen - fabrik from 1965 to 2000.

Following the death ofherhusband, AnnelieseHellerentruststheleadershipof thecompanytoPaulGrote,adeserving “Aerzener”.Hecontinueshispredecessor’s modernisationstrategy:anewproduction unitcovering4,500squaremetres,today’s UnitIV,isconstructedin1962.Following thisexpansion,insummer1963theHamelin branchisintegratedintheAerzenersite. Andthecompanycontinuestogrow.In theanniversaryyear1964,theworkforce increasesto700;thankstothehighprofits inprecedingyears,thesharecapitalis doubledfromthreetosixmillionD-Mark. WhenPaulGrotediesin1965,Hasso Following the death of Karlheinrich Heller(born1935)takesoverthecompany Heller, the company is run for five management,justtwelvemonthsafter years by Paul Grote. When he joiningthemanagementteamasanassist- ant.Bytheendofthe1960sHassoHeller dies, Hasso Heller, the only son of hasaddedenhancedscrewcompressorsto Anneliese and Karlheinrich Heller, thedeliveryprogrammethatcompress becomes Managing Director. The airandneutralgasesforhigherpressures. AerzenerMaschinenfabrikcontinuesits new boss advocates an internation- In1968attheHanoverFairthecompany internationalisationeffortsinthe1970s. presentsthefirstscrewcompressorswith AerzenMachinesLtd.isfoundedinLondon al approach and in 1968 founds oilinjectionfortherefrigerationindustry. in1973,followedin1978byAerzenNeder - Aerzen France as the first foreign AtthesametimeHassoHellerventures landB.V.inArnheim.Anothermilestoneis subsidiary. This is followed by astepabroad:in1968hefoundsAerzen setin1974withtypeapprovalpursuantto branches in England, the USA and FranceS.A.R.L.asthefirstforeignsub- theregulationsoftheEuropeanEconomic sidiaryforAerzenerMaschinenfabrik. Community.GasmetersfromAerzenare South Africa among others. At the Aglobalcustomerserviceisgradually thusthefirstrotarypistongasmetersto same time, Hasso Heller maintains establishedoverthenextfewyears. beapprovedinallcountriesoftheEuropean the modernisation course started CommonMarket.AerzenerMaschinenfabrik by his predecessors. He continues to isalsoonanexpansioncoursewithinGer - many.Thisincludesin1978thetakeoverof expand the Aerzen site and launches thecompanyThomasinnearby, MORE INTERNATIONALISATION innovative products such as the afirmspecialisinginapplianceandpipeline world’s largest positive displace - construction,todayEmmerthalerApparate - ment blower. The new Delta Screw bau.AsaresultAerzenerMaschinenfabrik cannowsupplycompleteappliancesand and Delta Blower series are still plantsections,thusofferinganincreasing ThenewemployeesinEmmerthal thecompanypresentstheworld’slargest Modern times: assembly of being used in the 1990s to cultivate rangeofengineeringservices. benefitfromtheflexitimeworkingarrange - positivedisplacementblowerwithahuge a 15 tonne process gas screw mentsalreadyestablishedin1973forthe pistonmeasuring1.5metresindiameter compressor for compressing new customer relations. 36,500 cubic metres of foruseinthesteelindustry.Newstandards Modern machinery results in coreworkforceinAerzenandcanorganise coking gas per hour. a clear increase in productivity theirworkinghoursonamoreflexiblebasis arealsosetin1984bytheworld’slargest (at the top). Among others, thanmostotherWestGermanemployees. screwcompressorswitharotordiameter Hasso Heller adds screw com - ThecompanypremisesinAerzenarealso of845millimetres.Anotherimportantnew pressors supported on roller modernised.Anewtestfacilitybuilding constructionmadeinAerzenispresentedin bearings to the company’s range (on the left). isconstructedin1975followedin1979by 1987withthepatentedthree-lobeblowers. theinaugurationofthenewadministration ThisworldinnovationfromAerzensetsa buildingonHermann-Allstaedt-Weg. newmarketstandardwhichisstillin AerzenerMaschinenfabrikstillcontinues forcetoday. tomakeanameforitselfwithspectacular productinnovations.In1978forinstance More internationalisation 1960 – 2000 Systematic approach to growth: »Expect Performance« 2000 –2014

Aerzen USA Corporation set up in 1983 is the company’s first branch outside Europe.

Atthesametimethecompanyremains oninternationalisationcourse.Following subsidiariesinSpainandBelgium,in1983 HassoHellerfoundsthefirstcompanyout - sideEuropewithAerzenUSACorporation. Thisisfollowedin1985and1987byAirgas CompressorinSouthAfricaandAerzen Canada;from1987AerzenerMaschinen- fabrikjoinsforceswithitssubsidiaryAerzen SpecialProductstoexpanditsinternational suppliernetworkforaccessorycomponents. Bytheendofthe1980sthecompanyhas nineforeignsubsidiaries.Around950em - ployeesworkforAerzenerMaschinenfabrik allovertheworld.Thefinancialfiguresalso speakforthemselves.In1989thecompany generatesrecordturnoveramountingto 180millionD-Mark. In1990AerzenerMaschinenfabrikis oneoftheveryfirstGermancompanies tobeawardedtheDINENISO9001certifi - cate,thusshowingitscustomersthathigh qualitystandardsareheededinAerzen. HassoHelleralsofocusesonnewpioneer- ingproducts.TheDeltaBlowermachine hasbeeninproductionsince1994,followed Important developments that in1996withtheDeltaScrewseriesofpar- keep pace with constantly ticularlyenergy-efficientscrewcompressor increasing market requirements units.After35yearsatthehelmof include customer-oriented AerzenerMaschinenfabrik,in2000Hasso solutions for screw compressors Hellerretiresfromoperativebusiness (at the top), the world’s largest positive displacement blower andentrustshissonKlaus-Hasso(born (on the left), the Delta Screw 1967)toleadthefamilycompanyinto compressor series (on the right) the21stcentury. I and the Delta Blower machine series (at the bottom). Systematic approach to growth: »Expect Performance« 2000 – 2014

Klaus-Hasso Heller has been running Aerzen in the fourth generation since 2000.

When Klaus-Hasso Heller 2000becomes hisfather’ssuccessorasManagingDirector ofAerzenerMaschinenfabrikin2000,he facesdifficultcircumstances.Thepooreco - nomicsituationinGermany’sengineering sectormeansthatincomingordersfor Aerzenin1999remainbelowtarget. Klaus-HassoHellerusesawholebundle ofmeasurestoputAerzenerMaschinen- fabrikbackontheroadtosuccess.Here - structurestheproductrangeandfocuses manufacturingevenmorethanbeforeon standardisedmodules.Healsochangesthe salesstrategy.AerzenerMaschinenfabrik appearsnotjustattrade-fairsheldmainly inEuropebutalsotakespartinexhibitions overseas.Likehispredecessors,Klaus-Hasso HellerinvestsheavilyintheAerzensite. ofaround1,300employees.Thismakes Theeffortssoonstarttotakeeffect.Orders AerzenerMaschinenfabrikoneofthelargest wortharecord-breaking128millionEuro employersintheregion.Theemployees SYSTEMATIC APPROACH TO GROWTH Economic crisis in the engineering arereceivedin2004. appreciatetheircompanyasareliablepart - Thecompanypremisescontinuetoex - nerwithafriendlyworkingatmospherelike sector with fewer orders and short- pandinthenextfewyears:in2008anew inabigfamily.AerzenerMaschinenfabrik time working: on becoming Managing ProductionCentreisinauguratedforscrew activelycultivatesthenextgenerationof Director of Aerzener Maschinen- compressorstagesandblowerunits.Inthe employeesparticularlyinthetechnical Atthesametimeasexpandingthe fabrik in 2000, Klaus-Hasso Heller anniversaryyear2014,anewofficebuilding sector.Thisiswhythecompanyappears Aerzensite,Klaus-HassoHelleralsoper - willbecompletedtogetherwithalogistics attrainingfairs,givestechnicalseminars sistswithhisfather’sinternationalisation faces major challenges. He restruc- centre.Atthemoment,thecompanyhead - atHanoverUniversityandoffersan course.In14yearsmorethan20newcom - tures the production programme, quartersinAerzenandthesubsidiariesin attractivegraduateentryprogramme paniesjointheAerzenGroup.Together streamlines internal processes, RintelnandEmmerthalhaveaworkforce foryoungengineers. withEastEurope,AerzenerMaschinenfa - invests in the Aerzen site and forges brikalsofocusesonAsia.Forthefirsttime inthecompany’shistory,inJanuary2011 ahead with internationalisation. aproductionsiteformaincomponentsis At the same time he focuses on foundedabroadincooperationwiththe new energy-efficient products such subsidiaryAerzenTurboinSouthKorea. as the Delta Hybrid, the world’s first Furthermoreinspring2013thecompany manage mentmakesaroundsixmillion series of rotary piston compressors. Euroavailable fortheconstructionofa His efforts pay off. In the anniver - newcompanybuildinginShanghai. sary year 2014, the order books of Internationalgrowthalsomakesin- Aerzener Maschinenfabrik are well creasingdemandsoftheaftersalesservice. Aproactiveservicehasbeeninplacesince filled and around 2,000 workers 2005.Aerzenstaffregularlyvisitcustomers are employed at the company head - andtheirmachineryonsiteandoffertheir Outside view of the production quarters and in the more than support,andtherangeofservicesisexpand - centre opened in Aerzen in ed.Moreover,in2006theservicecompany 2008: large quantities of stan - 40 subsidiaries worldwide. dard machines are produced AbarisBlowerRepairN.V.isfoundedin in the energy-efficient building, Belgium.Thisfirmalsotakesonthemain - leading to a clear increase in tenanceofpositivedisplacementblowers production capacities. andscrewcompressorsfrommanufacturers nolongerrepresentedonthemarket. Investment in the Aerzen site: In2009AerzenerMaschinenfabrikbuilds numerous new buildings have itsownrepairandsparepartscentre. been erected in recent years. Systematic approach to growth: »Expect Performance« 2000 – 2014 150 years of Aerzener Maschinenfabrik

Efficient production of a great variety of types is one of Aerzen’s specialities.

ThesuccessofAerzenerMaschinenfabrik fabrikasoneoftheworld’sthreeleading isstilldrivenbyqualityproductsandprod- applicationspecialistsfortheconveying uctinnovations.Forexample,blowersand andcompressingofgaseswithenergyeffi - screwcompressorsmadeinAerzenarenow cientproductsandprocessesthathelpto A global presence with customer proximity is one of Aerzen’s beingusedincreasinglyforthetreatment protectresources.Groupturnoveristhere - key corporate achievements. ofbiogas.Atthe2010IFATenvironment foretobedoubledwithintenyearstoreach Local support points offer swift tradefairinMunichthecompanypresents 580millionEurowhileforgingaheadwith service and rapid supplies of theDeltaHybridastheworld’sfirstseries globalisation.Theseambitioustargets spare parts. ofrotarypistoncompressorswhichcon - arealsoreflectedinAerzenerMaschinen- sumeupto15 %lessenergythanconven - fabrik’snewimage.Intimeforits150th tionalcompressors.Energyisalsosaved anniversary,inMarch2014thecompany bythe5thgenerationofturboblowersfor presentsitsnewphilosophyandlogo. particularlyefficientgenerationofprocess The“ExpectPerformance”promiseunder- air.In2010AerzenerMaschinenfabrikis linesAerzenerMaschinenfabrik’sdetermi - mentionedforthefirsttimeinthe“Lexikon nationtoredefinequalityandtoconvince derdeutschenWeltmarktführer”(Encyclo - customersallovertheworldwithits paediaofGermanWorldMarketLeaders). excellentperformance. I AerzenerMaschinenfabrikmarcheson intotheseconddecadeofthenewmillen - niumledbyatroikaofmanagers.In2011 Klaus-HassoHellerisjoinedinthecompany managementteambyindustrialengineer BerndWöhlkenandengineerBjörnIrtelwho havebothbeenatAerzenformanyyears. Positive displacement blowers, Thecompany’sVision2020ispresented rotary piston compressors, turbo bythenewmanagementteamin2011with blowers, screw compressors and anambitiousprogrammeforrealigningand gas meters from Aerzen make expandingtheGroup.Thenewobjective industrial processes energy- efficient and sustainable. aimsatestablishingAerzenerMaschinen- For 150 years, the company has stayed at the helm of the market and led technology and innovation with a constant flow of new patents and innovative product improvements. Publisher Editors and project management Translation AerzenerMaschinenfabrikGmbH Geschichtsbüro BENAVIDESFachübersetzungen,Cologne Reherweg28 Reder,Roeseling&Prüfer,Cologne JacquelineRohmann 31855Aerzen Dr.TheklaKeuck www.benavides.de Germany www.geschichtsbuero.de Printer www.aerzen.com Design SachsendruckPlauenGmbH Copy HansSchlimbachAGD,Gartow Geschichtsbüro © Reder,Roeseling&Prüfer,Cologne AerzenerMaschinenfabrikGmbH, Dr.ChristianeFritsche Aerzen2014