I bought these because I didn't think I could dump the yeast out of the smaller valves that came with my conical but it worked out fine. I don't need the butterflies afterall.
These are Waukesha brand, 2" diameter tri flange and the bore is 7/8" which I'm pretty sure is considered a 1" triclover.
The valve action is achieved by squeezing the trigger on the handle, rotating to any position and letting go. The butterfly locks in small increments. They are used but the seals look good.
I'd like $40 each plus shipping or the pair for $75.