ball valve

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ball valve

any of a variety of prosthetic cardiac valves comprising a ball within a retaining cage affixed to the orifice; when appropriately sized, used in aortic, mitral, or tricuspid position.

ball valve

(bawl valv)
Any of a variety of prosthetic cardiac valves consisting of a ball within a retaining cage affixed to the orifice; when appropriately sized, used in aortic, mitral, or tricuspid position.
References in periodicals archive ?
The VariAS-Block type most commonly used is the Double Block and Bleed Design with a primary and a secondary isolation ball valve design and a metal seated needle vent valve.
The welded ball valves will be mainly used in a project relating to 2*100 MW back pressure heating transmission unit.
The new six-way control ball valves from Siemens have a built-in pressure compensation function which is active when the valve is in the closed position (ie when no heating or cooling is needed).
Located in Hudson, Massachusetts, the company offers a wide variety of valves, including ball valves, pneumatic valves, inert isolation valves, solenoid operated valves, valve actuators, pinch valves, manifold valves, globe valves, butterfly valves, needle valves, and miniature and subminiature valves.
Actuation: Single and Double Acting Actuators, Double Acting Actuated Ball Valve Assemblies, Single Acting Actuated Ball Valve Assemblies
Until invention of a caged ball valve prosthesis, rheumatic cardiac valve failure had been a deadly disease with death rate of 12/100.
The new plant for ball valves manufacturing is expected to be built and to start operating in full capacity in six years.
Some ball valves can be adjusted by screws or you may be able to reposition it.
Iso-lok's new ball valve lockout allows valves to be locked in either an open or closed position.
Ball valves have taken over the bulk of usage for natural and LP gas, replacing the older plug valves that were traditionally used as gas valves.
The new products are the ISO A and ISO B style hydraulic quick disconnect couplings, the TGW series high pressure couplings and the HCV high pressure steal ball valves.
Parker Series 500 Stainless-Steel Ball Valves are engineered for use in demanding applications where corrosion resistance is vital.