T H E W O R L D L E A D E R I N C L E A N A I R S O L U T I O N S

1-INCH V-BANK, 18-INCH DEEP GAS FILTRATION CASSETTE

SAAF™ Cassette Medium Duty

•Formandfitunlikeanyother 18″-deep,1″gasfiltrationcassette

•Improvedfitandsealing,evenwhendeployedinoldercassetteholdingsystems

•Enhancedmediautilizationdesign

•No-gluedesigneliminatesproblemsfromspills,off-gassing,bypass,andleakages

•Patentedcassettedesignand manufacturingprocess.PatentscoveredunderUS7,588,629B2.

•FilledcassettesareULClassified

SAAFCassetteMediumDutyisthebest1″V-bank,18″-deepgasfiltrationcassetteintheindustry.AAFdesigns, manufactures,andperformsqualitycontrolcomplianceoncassettesunderISO9001:2000andotherapplicableglobalqualitycertifications.

High Tech Features

TheSAAFCassetteMediumDutyisconstructedfromHighImpactPolystyrene (HIPS)andcomesprefilledwithSAAFchemicalmedia.Hightechnology designtoolswereemployedtovalidatethedesignandconfirmbetter performance.ComputationalFluidDynamics(CFD)modelingandperformancetestsconfirmoptimaldesign.Theresultingdesignandconstructionsurpassesanycompetitor’scassettesinthemarket,whileallowingusersatrulybetterdesignwithvalue-enhancingfeatures.Thedesignretrofitseasilyandperformsbetterthanolderlegacycassettesinexistinginstallations.

Efficiency and Performance

Mostlegacycassettemanufacturersstatethattheircassettesoperateat>90%removalefficiencies.Inreality,theseefficienciesarenotcassetteefficiencies.Inaninstallation,removalefficiencyisdependentontheprecisesealingofthechemicalmediadeliverymechanism,i.e.,thecassettewiththecassetteholdingmechanism.Duetoloosermanufacturingtolerances,testingofmostlegacy cassettesshowsremovalefficienciesaslowas65%.

SAAF™ Cassette Medium Duty

2

Design, Construction, and Patents

SAAFCassettesperformandoperateatoptimumgasfiltrationefficiency,duetovariouspatentpendingfeatures.

SAAF-V – Patentedenhancedmediautilizationdesign eliminatesthe“nosecavity”typicallycreatedbylegacy cassettes.Nosecavities“cocoon”upto30%ofthechemicalmedia,keepingitisolatedfromairflowcontactatalltimes duringthelifeofthecassette.SAAFCassettesaretheonly cassettesthatutilize92%ofallchemicalmediainthe cassette–outperforminglegacycassettesby25%.

SAAF-T-Snap – Patenteddesignprovidesahighpressure, no-gluesnapassembly.Thisrigidconstructionexcludes harmfulglues,solvents,orMethylEthylKetone(MEK)from themanufacturingprocess.TheSAAF-T-Snapdesign,unlike legacycassettes,hasnosee-throughholesinthesolidendplates.Thisallowsforbetterstructuralintegrityandeliminatesgasby-passproblems.TheentireSAAFChemicalMediain thecassettecanbeusedspecificallytoovercomeexternal gaseouscontaminants,notcontaminantsfromthecassetteitself.SAAFCassettesaretheidealchoiceinhigh-precisionapplicationswherezerooff-gassingproductsaremandatory.

Butterfly Seal

Gasket Detail

Bed Arrangement

Aerodynamically Tapered Inlet Grid

Grid Cross-section

Rivet

Chemical Media Fill Cap

Nominal Bed Depth

Side Gasket

Flat One-piece Side Air Inlet

SAAF-T-Butterfly Seal and SAAF-T-Groove – Designs providenearabsolutesealing,eveninexistingretrofit applications.

SAAF-T-Seal – Patentpendingplasticrivetssecurethesolid fillcapsatmultiplepointsandsecureagainstburstsorleaks innormalusage.Olderlegacycassettesusestickers,labels, orlowfrictionendcapsthathavehighinstancesoffailureandchemicalmediaspillage.

SAAF-T-Track – SystemutilizestheSAAF-T-Groovefeatureandprovidesacompressionfitthateliminatesbypass.ThesolidtopandbottomrailsystemonSAAFCassetteseliminatesyetanotherbypasszone.

Cassette-To-Cassette Mating Seals –Smoothmatingendpanelswithnopenetrationsoroutwardturnedflangesallowexcellentcassette-to-cassettesealing.

SAAF-T-Screens – Patenteddesignandprecisionengineeringallowoptimizedaperturesforbettermediaretentionandbetterenergyefficiencythroughimprovedaerodynamicsandreduced pressuredrop.

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Applications

SAAFCassetteMediumDutyisusedforgasremoval applicationsin:

•Energysavingsrelatedapplications.

•Odorcontrolapplicationsatwastewatertreatmentplants.

•Odorcontrolforexhaustairstreams.

•Removalofcorrosivecontaminantsforcomputerroomsand datacenters.

•Outdoorairpurificationforcleanroomorpharmaceutical airflows.

•Highercontaminantconcentrationininstitutionalor commercialestablishmentsforimprovedindoorairquality.

•Airpurificationinmuseums,archives,orhistoricalfacilities.

– 222.8

(1) Velocity Magnitude -in./s.

Airflow Velocity (in./s.)

– 150

– 100

– 50

– 50Load case: 100Last Iteration/Step

Disposal and Recycle Instructions

1 Removethecassetteafteruse.

2 EmptyouttheSAAFchemicalmediabyremovingthe SAAF-T-Sealrivets.

3 DependingontheSAAFchemicalmediainuse,themedia maybesenttoaregularlandfillordisposedofaccordingto applicablelocal,state,andfederalregulations.

4 Theemptycassettecanthenbesentforplasticrecycling orforincineration.

5 Theemptycassetteiscompletelyincinerable/recyclable.

AAF’s patented cassette design offers improved airflow characteristics to ensure full media utilization.

9920 Corporate Campus Drive, Suite 2200, Louisville, KY 40223-5690888.223.2003 Fax 888.223.6500 | aafintl.com

AAF has a policy of continuous product research and improvement and reserves the right to change design and specifications without notice.

ISO Certified Firm

©2017 AAF International and its affiliated companies.

SAAF™ Cassette Medium Duty

Performance Data Initial Resistance vs. Face Velocity

1.00

0.75

0.50

0.25

0Initia

lResistance(in

.w.g.)

FaceVelocity(FPM)0 50 100 150 200 250 300 350 400 450 500

General Specifications and Application Parameters

Nominal Size 6x24x18inches(Onecassetteismadeupoftwohalves foreasylifting)

Airflow Designedfor500FPM(2.5m/s)facevelocityor 500CFM(850m3/h)airflowpercassette

Pressure Drop 0.31in.w.g.@500FPM(77Pa@2.5m/s)face

Construction 100%recyclable/incinerableHIPSplastic

UL Rating ULClassifiedinaccordancewithULStandard900andULC-S111*

Chemical Filter Bed Depth 1″(25mm)nominal

Chemical Media Capacity 0.5cubicfeet(0.014m3)

Contains Chemical Media Various(asstatedinsubmittalorasapproved)

Humidity Range 5%–99%RH

Temperature -4˚Fto125˚F* Consult AAF sales representative for media/module combinations.

SAAFBlend™

SAAFCarb™

SAAFOxidant™