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1/4 turn are also better because you won't get little pieces of old black washer breaking off and clogging aerators and fouling ballcocks. Not to mention, once all of the washer does break off it won't completely turn of the water any more.
Here in the Florida Keys we get our water thru the "Aquaduct". It's piped all the way from the Everglades aquafer to Key West. They use both "Chlorine" and "Chlorimine" to sanitize the water, "Chlorimine" makes rubber disinigrate, the 1/4 turn angle stops I use are true "ball valve" stops, no rubber at all. 18% of my service calls are because the existing stop will not shut off the water. I will NOT use any supply stop that has rubber gaskets. 12% are from toilets that run, because the chemicals have eaten up the rubber flapper. I now use "Chlorimine resistant" flappers. Keep up the good work "Florida Keys Aquaduct Authority", and thank you for making my mortgage payments easy....
The Brasscraft qtr. turn valves are crap. I can't tell you the number times the handle breaks off in the process of turning them off. Then the water starts spraying everywhere. The only valves I use are made by Dahl. They're more expensive that the Brasscraft, buy well worth it
I actually did a field test on those ... 10 years later they work fine better than 1/4 turn stops ... Only problem is perception that 1/4 turn is better and also no one knows how to turn them off ... very low failure rate ...
My experience has been the opposite. On high flow fixtures, such as dishwashers, those Accor stops tend to shut themselves off after they get old. And I have a customer who's building was flooded by one of them leaking around the handle stem. I used to work for a large multifamily plumbing contractor who used them for awhile. After several VERY expensive floods, they went back to cheap compression stops.