Originally Posted by thargrav
304 stainless steel will corrode when exposed to acidic foods
That would explain why with my first conical that had a bad weld and rusted that it rusted into the two-piece 304 stainless ball valve. I am soaking the disassembled valve in oxy-clean free right now and scrubbing with a faucet brush but some of the rust is stubborn. Leads me to another question: What if I soak the valve in vinegar, will that work on stainless? Should I use CLR or something? I know, hi-jacking my own thread.
Funny thing - the nipple I was trying to purchase from the above mentioned web site was the slightly more expensive 316. They still wanted me to respond in writing that I wasn't going to use this nipple in potable water applications.