The press literature calls it a 1.5 ton cylinder, it's a 5" dia piston which I usually run at around 100psi.
The speed of it only depends on how fast I want the machine to work, I have a much smaller press using a smaller cylinder and it takes 2 seconds to extend and then it depends on how long I want it to stay extended for the reverse movement.
It just holds a printing die that weighs less than a 2lbs.
I'm tired of always messing with air supply. Lines, compressors and air dryers are a constant problem and always need something fixed and always at a bad time. One less headache would be nice.