I appreciate the offer for the disks. I believe LJ is sending me some more. I think I may have 2 left so I may double them up. Either that or cut a Coke can and go with it. I too constantly monitor mine. If you have calipers can you measure one. I got 0.2mm or 0.008. Something tells me that isn't thick enough.
Bust disk on my Yong Heng blew a few times, I since have doubled up on the bust disk, but I don't trust them above the 4350psi mark -- I may use 3 disk just to be sure, as I stand over the pressure gauge just to be sure it cuts off at the proper pressure !!!wll