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Definitions

Agency Compliance

3rd party certifications that the product meets.

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Application

Applications/uses for a particular fan or ventilator.

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Bearing Type

Style of bearings that are utilized on a ventilator or a motor.

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Building Type

Common building types where a ventilator can be applied.

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Category Description

Highest level of categorization on the product tree.

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Construction

Type of material a particular product is constructed out of.

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Drive Type

Transmission type of the ventilator (belt drive or direct drive).

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Finish

Type of coating that is utilized on a particular product.

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Frame Material

Construction material of the frame of a given product.

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Horsepower

The power required to drive an air moving device. Horsepower required varies with system conditions.

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Housing Material

Type of material the housing of a ventilator is constructed of.

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Image Path

Links an image to the corresponding product category.

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Impeller Diameter

Dimension of the impeller (propeller or wheel) in inches. The nominal dimension is used on the "Narrow Your Results" on the site. The "Typical" dimension refers to the actual size of the impeller and is used in the X-Ref. database.

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Impeller Material

Type of material the impeller of a fan or ventilator is constructed of.

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Impeller Type

Style of impeller that is utilized on a product (i.e. Centrifugal or Axial).

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Includes

Describes items that a particular product includes such as mounting hardware, etc.

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Max Inlet Temp

The maximum entering air temperature that a fan or ventilator can withstand while in operation, without compromising the life of the unit.

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Mounting Location

Refers to the location where a fan or ventilator can be mounted.

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Number of Blades

The number of blades an axial product has.

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Shaft Diameter

Describes the diameter of the shaft on a given fan, ventilator or motor.

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Speed Controllable

Describes whether a fan or ventilator can be used with a solid state speed control. (NOTE: A speed control cannot be used with any belt-drive fan or ventilator.)

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