Greenheck-fan Mixed Flow Fans Belt and Direct Drive QEI-L Manual de usuario descargar pdf (Pagina 13)

Roof Upblast & Spark Resistant

Construction

Roof Upblast

ModelsQEI-I/IIsizes9through54andmodelQEID

sizes12through54,areavailableinroofupblast

conguration.Theroofupblastcongurationisideal

forexhaustingcontaminantsawayfromabuildingto

preventroofdamageandre-entrainmentofexhaust

air.BothQEI-I/IIroofupblastmodelshavethehigh

temperatureULratingandcanbeusedforemergency

smokeexhaustapplications.

Standardconstructionincludesafully-weldedheavy-

gaugecurbcaptoeliminateleaks,abutterydamper

sectionforbackowprevention,andawindband

sectiontoprotectthebutterydampersfromdebris.A

completelineofroofcurbsisavailableformountingto

aroofdeck.

Spark Resistant Construction

Greenheckmixedowfansareavailablewithspark

resistantdesignssuitableforapplicationsthatinvolve

ammableparticles,fumesorvapors.Sparkresistant

constructionoptionsadheretoguidelinesdened

withinAMCAStandard99-0401-10.

QEI-I/II Spark B

Thefanwheelisconstructedofa

nonferrousmaterial(aluminum).

Anon-ferrous(aluminum)bearing

coversurroundsthedrivenbearing,

shieldingitfromtheairstream.

QEI-I/II

QEI-L

Spark C

Theinletconeisconstructedof

non-ferrousmaterial(aluminum).

Anonferrous(aluminum)bearing

coversurroundsthedrivenbearing

shieldingitfromtheairstream.

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Greenheck-fan Mixed Flow Fans Belt and Direct Drive QEI-L Manual de usuario Pagina 13