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Changing Duct Offset in the Middle of a Duct Run

Friday, January 28th, 2011

Ductwork in Design Master HVAC can either be centered, flat on the left side, or flat on the right side. See Inserting Eccentric Transitions for more information.

When the offset changes in the middle of the ductwork, the ductwork will look like this:

To prevent this, insert a transparent duct at the break where the offset changes. The transparent duct centerline is drawn in red in the following example.

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One Response to “Changing Duct Offset in the Middle of a Duct Run”

  1. Nick Turney/Fox Valley Engineering, Inc. says:

    I like to use the DM offset fitting command to achieve the same results. You may need an extra segment of duct added to use the offset command to have it look right though. In doing it this way, you can leave the duct as centered then too.

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