Side-by-side reference

Understand the difference.

Compare the meaning, drawing context and source references of two entries. A similar graphic or shared abbreviation does not establish equivalence.

First referenceCompare with

General arrangement objects

Greenheck SQ inline fan

Place the square casing between duct sections and show the service-access side. Route the motor supply so removing an access panel remains possible.

Drawing use: GA
Application: Equipment layouts
Reference family: Manufacturer

A distinction that matters

An SQ family outline does not identify the selected wheel, motor or exact dimensional size.

Full reference

General arrangement objects

Industrial ventilation fan

An industrial ventilation fan moves air through a selected room or equipment ventilation route.

Drawing use: GA / SLD
Application: Equipment layouts
Reference family: Manufacturer

A distinction that matters

A fan model must be selected for the documented system resistance and airflow duty.

Full reference

Follow the full entry for source drawings and the appropriate standard or selected product. Equipment previews show a manufacturer drawing where available, otherwise a 3D thumbnail.