Yes, that is why leather can work in such a situation
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
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