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A single ended ram will use more fluild to extend the cylinder then to retract, but both side have fluid just the retract side has the rod to displace part of the fluid.If it is truly and open center valve pressure should have nothing to do with it moving on its own. Open center should be just like adding a coupling to the system. Just an open port when in center.have both valves you have tried been modified?
A single ended ram will use more fluild to extend the cylinder then to retract, but both side have fluid just the retract side has the rod to displace part of the fluid.
If it is truly and open center valve pressure should have nothing to do with it moving on its own. Open center should be just like adding a coupling to the system. Just an open port when in center.
have both valves you have tried been modified?
