On Thu, 23 Dec 2010 07:41:43 -0600 Dieselhead <126die...@gmail.com> wrote:
> I have worked on hyd cylinders that are in the range of 100 years old, > but still perform regular duty made with leather cups. The leather > cups are available. The cylinders run and work ok at 2000 psi. One I > saw being operated at 2750 psi on an 8" cylinder. that is 16 pi x 2750 > or 70 tons on a piece of leather. But the leather is most surely in compression between the hydraulic fluid and steel cylinder walls and a steel piston attached to the cylinder's rod, with only a small part exposed to the gap it's sealing. Craig _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
