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This female type 304 stainless steel ball-lock connector features a 1/2" Female NPT outlet, for attachment to 1/2" male thread fittings. Features a high temperature silicone O ring inside to withstand temperatures of up to 250° F. These are ball lock style fittings, but they do not fit keg posts.
I started buying these after seeing them used in a commercial brewery. They save so much time and effort over screw on fittings. Wouldn't give these up for anything!
Update: Check these when you get them. There seems to be a common issue where the female part won't lock into place over a male piece.
I have ordered from all the major Home Brewing websites and examined four of the major options. Although the quality of the morebeer ones are slightly better they do not come in the female thread variety, which is what I wanted so that I can use 1/2" MPT to 5/8" hose barb. I am really happy with these quick disconnects, which are carried by another well known online retailer for almost a third more.
I ordered two of these and one of them was broken upon arrival. The item was not very expensive and most of the cost was shipping so I didn't bother to return it.
We used to, but these are discontinued, so we are selling the remainder of what we have.