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

BETTER AIR IS OUR BUSINESS®

1-INCH V-BANK, 12-INCH DEEP GAS FILTRATION

SAAF™ Cassette Cleanroom Grade

• One-piece construction reduces by-pass

• Formandfitunlikeanyother 12″-deep,1″gasfiltrationcassette

• Improvedfitandsealing,even whendeployedinoldercassette holdingsystems

• Enhancedmediautilizationdesign

• No-gluedesigneliminates problemsfromspills,off-gassing, bypass,andleakages

• Multiplepatentspending

• FilledcassettesULClassified

AAFInternational’sSAAFCassette CleanroomGradeisthebest1″V-bank,12″-deepgasfiltration cassetteintheindustry.

High Tech Features

TheSAAFCassetteCleanroomGradeis constructedfromHighImpactPolystyrene(HIPS)andcomespre-filledwithSAAF ChemicalMedia.Hightechnologydesigntoolswereemployedtovalidatethedesignand confirmbetterperformance.ComputationalFluidDynamics(CFD)modelingand performancetestsconfirmoptimaldesign. Theresultingdesignandconstruction surpassesanycompetitor’scassettesinthemarket,whileallowingusersatrulybetter designwithvalue-enhancingfeatures.Thedesignretrofitseasilyandperformsbetterthanolderlegacycassettesinexistinginstallations.

Efficiency and Performance

Mostlegacycassettemanufacturersstatethattheircassettesoperateat >90%removalefficiencies.Inreality,theseefficienciesarenotcassette efficiencies.Inaninstallation,removalefficiencyisdependentontheprecisesealingofthechemicalmediadeliverymechanism,i.e.thecassettewiththecassetteholdingmechanism.Duetoloosermanufacturingtolerances, testingofmostlegacycassettesshowsremovalefficienciesaslowas65%.

SAAF™ Cassette Cleanroom Grade

Design, Construction, and PatentsSAAFCassettesperformandoperateattheoptimumgasfiltrationefficiencyduetovariouspatentpendingfeatures.

SAAF-T-Butterfly Seal and SAAF-T-Groove -Designsprovidenearabsolutesealing,eveninexistingretrofit applications.

SAAF-V -Patentpendingenhancedmediautilizationdesigneliminatesthe‘nosecavity’typicallycreatedbylegacycassettes.Nosecavities‘cocoon’upto30%ofthechemicalmediakeepingitisolatedfromairflowcontactatalltimesduringthelifeofthecassette.SAAFCassettesaretheonlycassetteswhichutilize92%ofallchemicalmediainthecassette-outperforminglegacycassettesby25%.

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

SAAF-T-Snap -Patentpendingdesignprovidesahighpressure, no-gluesnapassembly.Thisrigidconstructionexcludesharmfulglues,solvents,orMEK’sfromthemanufacturingprocess.TheSAAF-T-Snapdesign,unlikelegacycassettes,hasnosee-throughholesinthesolidendplates.Thisallowsforbetterstructuralintegrityandeliminatesgasby-passproblems. TheentireSAAFChemicalMediainthecassettecanbeused specificallytoovercometheexternalgaseouscontaminants, notcontaminantsfromthecassetteitself.SAAFCassettesaretheidealchoiceincleanroomorhigh-precisionapplicationswherezerooff-gassingproductsaremandatory.

SAAF-T-Track - Systemutilizesthe SAAF-T-Groovefeature andprovidesacompressionfitthateliminatesby-pass.The solidtopandbottomrailsystemonSAAFCassetteseliminatesyetanotherby-passzone.

SAAF-T-Seal - Patentpendingplastic rivetssecurethesolidfillcapsatmultiplepointsandsecureagainstburstsorleaksinnormalusage.Olderlegacycassettesusestickers,labels,orlowfrictionendcapsthathavehighinstancesoffailure andchemicalmediaspillage.

SAAF-T-Screens - Patentpendingandprecisionengineeringallowoptimizedaperturesforbettermediaretentionandbetterenergyefficiencythroughimprovedaerodynamicsandreducedpressuredrop.

2

SAAF-T-Butterfly Seal

SAAF-T-Butterfly Seal

Rivet

Smooth Mating End

Panel for Cassette-

to-Cassette Sealing

SAAF-T-Seal Design

SAAF-T-Track

SAAF-T-Groove

SAAF-T-Snap Design

Bed Arrangement

Grid Cross-section

Side Gasket

Chemical Media Fill Cap

Nominal Bed Depth

Air InletAerodynamically

Tapered Inlet Grid

SAAF-T-Screens

3

Applications

SAAFCassetteCleanroomGradeprovidesacompactcassettesolutionfor:

•Odorcontrolatcommercialbuildingswithlimited availablespace

•Outdoorairpurificationforcleanroomor pharmaceuticalapplications

•Irritantremovalininstitutionalorcommercialestablishments

•Contaminantcontrolinmuseums,archives,or historicalfacilities

Performance Data

Initial Resistance vs. Airflow Capacity

1.0

0.8

0.6

0.4

0.2

0

Initia

lResistance(in

.w.g.)

AirVelocity(ft/min)

AirVelocity(m/s)

0 125 50 375 500 625

0.254 0.762 1.27 1.778 2.286 2.806 3.316250

200

150

100

50

0

Resistance(Pa)

SAAFBlend™ SAAFCarb™ SAAFOxidant™

Application Parameters

Humidity Range* 5%-99%RH

Temperature* -4˚Fto125˚F

*ConsultAAFsalesrepresentativeformedia/modulecombinations.

Disposal and Recycle Instructions

1 Removethecassetteafteruse.

2 EmptyouttheSAAFChemicalmediabyremovingthe SAAF-T-Sealscrews.

3 DependingontheSAAF Chemicalmediainuse,the mediamaybesentforregular landfillordisposedofaccording toapplicablelocal,state,and federalregulations.

4 Theemptycassettecanthenbe sentforplasticrecyclingorfor incineration.

5 Theemptycassetteiscompletely incinerableandrecyclable.

Note:Checkwithlocalregulationsonsendingplasticto arecyclingareaifithascomeincontactwithhazardousor toxicmaterials.

500FPMMaximum RecommendedVelocity

SAAF™ Cassette Cleanroom Grade

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

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

ISO Certified Firm

GPF-1-111E 07/14

©2014 AAF International

SAAF™ Gas‐Phase Cassette Specifications

General Information1. TheSAAFGas‐PhaseCassettesareakeycomponentof

theSideAccessHousings(SAH),Pressurizationand RecirculationUnits(PRU),RecirculationUnits(RU),andFrontAccessHousings(FAH).AAF’sSAAFSealdesigncausesapositivesealbetweenthecassettesandtheabovementionedequipmenttoeliminatebypassand providethehighestpossibleefficiency.

Design and Materials1. Thecassetteshallbeformedcompletelyfrominjection

molded,recyclable(orincinerable),high‐impact polystyrene(HIPS).

2. NOGLUESorSOLVENTSshallbeusedinthemanufactureofthecassettetopreventoffgassingofVOC’s.Theplasticcomponentsthatformthecassetteshallbeconnectedtogetherusinginternalhighpressure,snap‐lockconnectorsformedintotheconnectingcomponents.

3.Chemicalmediashallbesupportedbetween aerodynamicallytaperedscreenswithverylowdrag coefficient(forENERGYEFFICIENCY).

4.NONOSECAVITIESallowedincassettes.Theinletandoutletscreensshallbeparallelandtheinletandoutletfaceareasshallbeequaltoensureequalandcomplete utilizationofthechemicalmedia.Thescreenopeningsshallhaveamaximumwidthof2mmtoensurefullretentionofthechemicalmediaandtoeliminatedownstreamfouling.

5. Thesideplatesofthecassetteshallbecompletelyflatandplanarandwithoutprotrusionstoensurethatadjacentcassettesmateaccurately.Allflangesshallbeinternal.Noexternalflangesshallbeused.

6.A25mmwidegasketshallbemountedoneachsideplatetosealbetweenadjacentcassettes.

7. AV‐shapedButterfly®Gasketshallbelocatedalongeachedgeoftheairentering,orsealing,faceofthecassette.Whenthecassetteisinstalledintothetrack,thewingsoftheButterfly®gasketshallengageandenvelopethetubulargasketthatisinstalledintheextrudedaluminumtrackprovidingacompleteseal.

8. Thecassetteshallincludeaprecisionmoldedslot positionedtoacceptaguidelocatedonthesurfaceof thesupporttrack.Theslotandguidecombinationwillensurethatthecassetteisaccuratelypositionedinthemountingtrackensuringfullcontactandproper compressionofthetrackmountedgasket.

9. ThechemicalmediacassetteshallbeasindicatedbelowasmanufacturedbyAAFInternationalandsoldunderthebrandnamesofAAFandAmericanAirFilter.

10.ULClassifiedinaccordancewithULStandard900andULC-S111.

11.ContainsChemicalMedia,Various(asstatedinsubmittalorasapproved).

AAF SAAF™ Cassette model CG (1) Nominalsize=24″(h)x12″(w)x12″(deep) (2) Chemicalmediacapacity=0.7cubicft. (3) Chemicalmediabeddepth=1″V‐bankarrangement (4) Chemicalmediautilizationindex=92%orhigher (5) Ratedairflowfacevelocity=500fpm (6) Nominalresidencetime=0.04sec (7) Pressuredrop (a) SAAFOxidant™media4mm=0.47in.w.g. (b) SAAFCarb™media4mmpellet=0.56in.w.g. (c) SAAFBlend™GPmedia=0.57in.w.g.