Thrd/SW Valves toolbar: Thrd/SW 3 Way Plan 
Command line: 3VS/3VT
Places a threaded or socket weld three-way valve in the X-Y plane.
last point
Starts the plain end of the component at the last point of the previously-created component.
Middle
Places the valve at the centerline intersection of the branch and main of the valve.
Branch
Places the branch of the valve at the start point. The end type is defined by the current specification.