There's an advantage to moving to smaller equipment when making smaller batches.
6-Gallon kettle that I built for 3-gallon batches
The valve coupling is TIG welded (I dislike weld-less fittings)
False bottom and pickup tube installed
The pickup tube fitting is 37-degree AN flare, not compression (the pickup tube goes on the fitting, not in the fitting)
6.75-gallon kettle that I built for 3-gallon batches (5-gallon mash/lauther tun and 5-gallon hot liquor back)
It's TIG welded as well (this kettle also uses a 37-degree AN flared pickup tube)
Yet another custom Jaybird false bottom