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Centrifugal fans

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Contents

Introduction Combimac 4Centrifugalfans Design 5 Program 5

Fantypes Ranges 6 Materials 6

Standardfans Directdrive 7 Indirectdrive 7 Lowpressure 7 Mediumpressure 7 Highpressure 7

Specialfanunits Custombuild 8 Applications 8

ATEX ATEX2014/34/EU 9 Documentation 9

QualityAssuranceandControl 10

Combimac

Combimacisawhollyindependent,middlesizecompany,establishedintheyear1919andlocatedinthenortheastpartoftheNetherlands,inthetownofEmmen.Asasupplierofelectricalprimemovers,Combimachasformanyyearsbeenaprominentmarketleader,derivingitsleadingpositionfromthefollowingproductgroups:

•Specialelectricmotors•Industrialandspecialfans

Combimac’skeywordisknowledgeandqualitycontrol.IndeedItisqualitythatdominatesthecompany’sentireproductionprocess,fromdesignuptodeliveryandbeyondinaftersales.

AllnecessarymonitoringiscarriedoutbyCombimacinthecompany’sownlaboratory,thisbeingtheonlywayofachievingabsoluteaccuracy.Allworkiscarriedouttoestablishedqualityproceduresandstandards.Inshort,Combimacaimsforperfectionstrivingtoattaincontinuousquality.

Thankstothehighqualitystandards,provenovermanyyears,Combimachasbecomeanestablishedsubcontractorformanycompanies.Combimac’sfans,installedinvariousindustrialinstallationsworld-wide,liveuptothehighestreputation.

Introduction

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Centrifugal fans

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Stainlesssteelfan

Shockprooffanunit

Design

Combimaccentrifugalfans,knownfortheirhighqualitylevelandprovenreliability,areusedinvarioussystemsbyawiderangeofcustomersandend-users.Combimacisabletodesignandmanufacturecentrifugalfansforspecificconditionsset.Asaresultofthevastexperienceandexpertisegainedovermanyyearsofdesigningandmanufacturingfansandfansystems,Combimacisabletobeofhelptoofferadequatesolutions.AllnecessarydesigncapabilitiesareinhouseandCombimacisafullyequippedmachiningfactory.Actualproductioniscarriedoutinamodernworkshop,includingseveraluptodateCNCmachines.Program

Combimaccentrifugalfanprogramofferscentrifugalfansforthemovementofair,fumesandgassesunderavarietyofconditions.Thecentrifugalfanprogramcontains:

•Directdrivefans•Indirectdrivefans•Custombuildfans

Thesedifferenttypeofcentrifugalfanscoverawideareaofflowandpressurelevels.Tosuittheneedsofvariousapplications.Combimacisabletooffer:

•Lowpressurefans•Mediumpressurefans•Highpressurefans

Fan types Materials

ThedeliveryprogramofCombimacprovidesthefollowingstandardofmaterials:

•castironfans•aluminiumfans•steelweldedfans

Inadditiontotheirstandardrangeoffans,Combimacarewell-equippedtomanufacturecustom-builtfansandfansystemstosuitindividualcustomerapplicationsandrequirements.InordertomeettheserequirementsCombimaccanofferfansmanufacturedfromthefollowingmaterials:

•stainlesssteel•non-ferromaterials•exoticmaterials

Ranges

COMBIMACdesignsandmanufacturesawiderangeofcentrifugalfans,includingthefollowingtypes:

•centrifugalfans•circulationfans•materialhandlingfans•hightemperaturefans•lowpressurefans•middlepressurefans•highpressurefans•ATEXfans

Standard fans

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Combimac’sstandardcentrifugalfanprogramprovidesbothdirectdrivenandindirectdrivencentrifugalfans.Directdrivemotorshavetheimpellerdirectlymountedonthemotorshaft,whereasindirectdrivefansareprovidedwithV-beltdrive.ThisV-beltdriveallowsforhigherimpellerspeeds,hencehigherflowandpressurelevelsasaresult.

Direct drive

Hightemperaturefan

Standard fans

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HighpressureMediumpressureLowpressure

Indirect drive

TheCombimacdirectandindirectdrivencentrifugalfanprogramcoversthefollowingflowandpressureareas:low,mediumandhighpressure,asdefinedin:

•ISO13348:Industrialfans-tolerances, methodsofconversionandtechnicaldata presentation

•ISO5167-1:measurementoffluidflowby meansofpressuredifferentialdevicesinserted incircularcross-sectionconduitsrunningfull.

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Custombuild

Throughouttheyearsavarietyoffansandfansystemshavebeenbuild,tomeetveryspecificdemands.Examplesofspecificspecialfansunits,whichduringthehistoryhavebeenbuildare:

•limetransportfanwitheasyaccessdoorsforcleaning•NBCfanunitswithbrushandbrushlessDCmotordrive•doublestagefansforveryhighpressure•fanunitswithoutmotorsforexistingdrives•portablefanunits•filtrationfanunitsforcombustionsplants•stainlesssteeldesignwithspecialinertgasseal

Applications

Theexperienceandexpertisegainedinmanyfieldsofoperationovertheyearsofmanufacturing,hasresultedincentrifugalfansandfansystemsforspecificapplications,Combimacisabletooffercentrifugalfanssuitableforthefollowingequipmentandsystems:

•industrialfurnaces•boilerinstallations•NBC-systems•limeinjectionsystems•yarnwasteprocessing•bottle-fillingsystems•biogasinstallations•fumecleansingsystems

Special fan units

NBCfan

HVACfanunit

FansinaccordancewithATEX2014/34/EU

Combimac,designerandmanufacturerofATEXcentrifugalfans,isabletosupplycentrifugalfansinaccordancewithATEX2014/34/EUdirective,aslaiddownintheapplicablestandardISO80079-36/37being“Non-electricalequipmentforpotentiallyexplosiveatmospheres”,suitableforZoneIIorZoneI(uponrequest)

Documentation

COMBIMACsupplythefollowingdocumentationwiththeirATEX-fans:

•ManufacturersDeclaration(ECDirective2006/42/EC)•DeclarationofConformity(ECDirective2014/34/EU)•Installation/Instructionmanual•Electricmotortypecertificate(ECDirective2014/34/EU)•Fanpressuretestcertificate(forgastightexecutions)

ATEX

ATEXbiogasfanGastighthighpressurefan

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Quality Assurance and ControlAtCombimac,weoperatestrictlyinaccordancewiththeprocedureslaiddowninourqualitymanual.Thisensuresthatweachieveconstantandguaranteedhighqualitylevelsinourproducts,whicharealsoextensivelytestedinourcomputerizedlaboratory.Thecompletelogisticswithinthefactoryarecomputersupported,providinganefficientproductionflowandanoptimiseduseofexistinglabourandmachiningcapacities.Themajorityofthetesting-andmeasuringequipmentisfullycomputercontrolled,therebyprovidingeasilyaccessibletestdata.Allthesefactorscontributetowardsfullproducttraceabilityatcompetitivepricesandadvantageousdeliverytimes.

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KapiteinGrantstraat5-7821APEmmenP.O.Box2038-7801CAEmmen-TheNetherlands

Tel.+31(0)591-611531-Fax+31(0)591-619730E-mail:combimac@combimac.com

www.combimac.nl