That's a beutiful brew rig! What makes me so jealous is that I can get all of that stainless stuff dirt cheap being that I'm in sales selling it all BUT I have no clue on all grain brewing. I'm only on my second batch but maybe some day I will try. On the side note I have seen a lot of people stating how they love Swagelok fittings. You really want Swagelok or Parker if you builging an aircraft for certification reasons but for brewing beer it doesn't have to be that brand. There are multiple other companies that carry compression fittings that will WOW you on price compared to Swagelok (VERY EXPENSIVE)....ex: SSP, Ty-lok, Hy-lok, Hamlet, Kor-lok....and more. Whatever one you do go with, the dual ferrule is the most applicable design. It helps keep your tubing from twisting when you are tightening the fitting unlike the single ferrule design. Same with "Triclover" ex: Dixon, VNE, Waukesha, G&H, Jensen ...and so on, same chit just different manufacturer in sanitary products.