To Hide or Unhide Welds
To temporarily turn off the weld display in the graphics window, select a weld feature in the graphics window or Model Tree, and then choose one of the following actions:
Right-click and choose Hide from the shortcut menu.
Click View > Hide.
To turn on the weld display in the graphics window, select a hidden weld in the Model Tree, and then choose one of the following actions:
Right-click and choose Unhide from the shortcut menu.
Click View > Unhide.
To unhide all hidden items, click View, click the arrow next to Unhide, and click Unhide All.
* 
When you hide a weld, the Model Tree icon changes. For example, the groove weld icon changes as follows:
—Hidden
—Unhidden
* 
You can also hide (or unhide) welds from the Layer Tree by selecting the layer containing welds, right-clicking, and selecting Hide.