There are a few things to consider when using o-rings on 10,000psi systems. The first is the clearance of the groove. Depending on the application a standard 90 durometer o-ring should work. Urethane o-rings work better if the clearance is greater. The durometer is basically measuring the...
I rebuild cylinders for a living and what I did was took a Snap-On pocket screwdriver and smoothed the sharp edges on a belt sander then run it through a wire wheel. For larger seals I used 6 and 10 inch long cabinet tip screwdrivers using the same method to smooth them. Snap-On makes seal...
I checked 3 stores within an hour of me and all said 129.99, so I called Eden Prairie and they said the same thing and that others had been calling for the $48 deal but did not know wear that price came form.