DetailsThe 3 Piece Stainless Ball Valve have Female NPT Threads on either side. It is a Full Port Threaded Valve designed for easy cleaning. Available in Stainless Steel 304 and 316. The 3 Piece 1/2" Ball Valve Is used Primarily in Microbreweries and food applications where cleaning occurs often. These Brewing Fittings are a good complement to your Homebrew Hardware.