The Barksdale Shear-Seal design control valve passes dirt and debris though the sealing rings instead of across the sealing surface. ...Aug 20, 2015
How does a Barksdale valve work?
Interflow in a Barksdale Shear-Seal® valve is a small amount of fluid flow from the Pressure A and B ports to the return port through the clearance between the rotor and the body. This interflow occurs whenever the valve is shifted from one position to another or when the valve is being used for throttling.
What is the purpose of a detent valve?
Abstract: A hydraulic valve having a detent mechanism engaging the valve to releasably retain the valve in an open position and hydraulically release the valve to automatically return to a normally neutral position in response to a predetermined pressure in the system.Mar 9, 1971