| For
fifty years, Barksdale's patented Shear-Seal design
control valve has been the valve of choice for applications
requiring tight shut-off, low pressure drop, high flow
rates, and long life. The Shear-Seal principle allows
unmatched design versatility. It's at the heart of our
simple panel mount shut-off air valves and our custom
engineered automated 10-port injection valves for gas
turbines.
The
Barksdale Shear-Seal design control valve passes dirt
and debris though the sealing rings instead of across
the sealing surface. This basic control valve design
feature not only reduces wear, it actually creates a
lapping action between the sealing surfaces that results
in a valve that "wears in" instead of "out."
In fact, continual use can actually "heal"
small scratches in the control valve sealing surface.
Barksdale's
Shear-Seal control valves are available as standard
industrial products for shop air, oil and lubricated
water applications in your choice of manual, air or
electric actuation. Barksdale also offers custom engineered
control valves often found in hydraulic power systems,
oil well blow-out preventors, and lubricating systems.
A thumb actuated Shear-Seal valve is used for hydraulic
control of the Jaws of Life cutting tool used by rescue
teams around the world.
Barksdale's
air suspension directional control valve is another
example of how the Shear-Seal principle solves problems.
Over the last few years, Barksdale Shear Seal has become
the standard for class 8 truck manufacturers.
For
air, oil, or lubricated water applications with pressure
ranges from 150 to 10,000 psi, Barksdale Shear-Seal
directional control valve is the valve you need.
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