Creating and editing duct and pipe types

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Following a review of the mechanical settings in a project or project template. A

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review of the available duct and pipe types will establish if additional types

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are required to meet your mechanical modeling

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standards for current and future projects.

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In this example, we will look at the steps for creating new duct and pipe types.

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We will review and set the relevant type properties and

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then establish the fittings to be used for each type.

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Introducing new fittings to the project where necessary.

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Let's start by looking at the duck types within a project.

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Begin a new project using the mechanical default template.

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The available duct types can be established by either

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selecting the duct command and reviewing the type selector

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or by expanding the family's branch of the project browser and expanding ducts.

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And the options found beneath

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from beneath the rectangular duct select radius, elbows and taps

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right mouse select then choose type properties.

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This option is exactly the same as accessing

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the duct type properties from the property's window.

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The duct type properties determine not only whether rectangular oval

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or round duct is used but also the fittings.

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The fittings used for this duck type

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are managed through the routing preferences and

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selecting the edit button will allow for

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review and editing of those routing preferences.

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Here we see the choices made for all of the fittings associated with this duck type

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select, ok. To close all dialog boxes.

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Then from the project browser, locate pipes and pipe types,

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select the standard type.

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Then from the right mouse button menu select type properties.

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Again,

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this is exactly the same as choosing the standard pipe type

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from the properties and selecting edit type from the property's window,

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select edit against routing preferences and note the choice of pipe segment

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and of the fittings for this pipe type.

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Once the available duct and pipe types have been established within the project.

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New types based on template or project requirements can be created.

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Let's start with creating a new duck type.

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New duck types are created by duplicating an existing one.

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Choose a duck type that is close to the

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specifications of the new one you want to create as

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it will inherit the properties of the original and

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may reduce the amount of editing that is required.

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Right mouse, select rectangular, duct, radius, elbows and taps

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and choose duplicate.

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Right mouse, select the new type and rename to radius elbows

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two W stroke taps

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right mouse, select the new duck type and this time select type properties,

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edit the routing preferences and from the drop down menu beneath elbow,

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select the radius elbow, radius two W

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similar changes can be made to other fitting options.

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So change the transition from 45 degrees to 15 degrees.

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Select, ok. To close all dialog boxes.

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Let's go ahead and try the new duck type and compare it against the original type.

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Select the duct command from the systems tab of the ribbon

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and from the type, select to choose rectangular duct radius, elbows and taps,

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then create a run of duct that changes size and direction.

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Start with a width of 24 inches and a height of 12 inches.

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And an elevation of 9 ft

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then reduced to a width of 18 inches and draw

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another short section followed by a 90 degree change in direction

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and then finish the run

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from the type selector,

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change the duck type to the new type just created and create a similar run.

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The difference can be seen in the new duct type.

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The elbow has a larger radius in the original and the

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angle of the transition is 15 degrees instead of 45.