Double-click the element in the 3D view
Select the
element and click the 
toolbar
button
Install reducers on straight pipe segments where adjacent elements have different diameters.
Reducer weight applies as uniform load. The software subtracts pipe weight covered by the reducer length. Insulation and fluid weights average values from connected pipes. Snow, ice, wind, and user-defined uniform loads also average between adjacent pipes.
Reducer Types:
To insert a reducer: Select the target node and navigate to Insert > Reducer
To view or edit reducer properties:
Double-click the element in the 3D view
Select the
element and click the toolbar
button