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Punched Flanged

Inlet/Outlet

Design SQI is standard with un-

punched flanged outlet and slip fit

inlet, both available with punched

flanges. Fixed housing D/16 fans

are standard with punched flanged

outlet and slip fit inlet, available

with unpunched flanged outlet

and punched flanged inlet.

Outlet Dampers

Dampers for all fan classes are suit-

able for manual or automatic oper-

ation with blades perpendicular to

the shaft. Dampers are furnished

in standard duty to 600°F, with

alternate construction available for

high temperature applications to

800°F.

Access Doors

Three types – flush mounted with

quick opening tension clamps;

bolted for positive sealing; plug

type for insulated applications.

Neoprene gasket to 300°F and

asbestos-free gasket to 800°F.

Shaft Cooler

and Guard

Cooling wheel raises the allowable

temperature limit for arrangement

1 or 9 fans from 300°F to 650°F.

Adding a shaft seal on arrange-

ment 1 fans extends the limit to

800°F. Includes expanded metal

guard.

Split Housings

Fixed housing fans sizes 23-37 can

be furnished with flanged horizon-

tal split housings. Split housings

are standard on size 41.

Spark Resistant

Construction

AMCA Type C spark resistant con-

struction substitutes an aluminum

inlet cone and adds a drive side

aluminum buffing tube between

the wheel, shaft and housing.

Available with all classes and sizes,

arrangement 1 and 9. Maximum

temperature is 600°F. Requires

electrical grounding.

Unitary Base

Fan and adjustable motor base are

welded onto a common base of

continuously welded structural

steel channel.

Inlet Box

The bolt-on inlet box simplifies

ductwork connection when a

straight horizontal connection is

not feasible. Assures dependable

fan performance when a sharp

turn is required at the fan inlet.

Accommodates inlet box damper.

Performance

Options

Belt Guard

Inlet

Screen

Housing

Drain

Shaft Seal

Bearing/Shaft

Guard

Extended

Grease

Fittings

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