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 ?
Ball valves can be used in a wide variety of applications in industrial processes, and in water supply and water treatment systems in particular.
* 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.
With only two moving components in the manual version and separate, independent, removable/ replaceable actuators (pneumatic, electro-pneumatic, and electronic, with or without speed controls or talk-back for computer drive/confirmation and a bevy of other options), the high-vacuum ball valve has far fewer "rules" to obey than other high-vacuum valves.
A relationship with the community already had been developed by the company's Apollo Ball Valve assembly plant, and the state and local governments were offering tax and employment credits in addition to reduced electricity rates through a local co-op.
Seginus Inc has released the following FAA PMA replacement part to aid in your cost reduction programs when maintaining your Rockwell Collins Lavatory Drain Ball Valve Assemblies.
Since then, S-E ball valves have been widely used in all over the world with good results till 2007 when Edwards Lifesciences discontinued production of the S-E valve.
Designed for improved cycle life in the field, the SWAGELOK[R] FKB series medium-pressure ball valve provides a leak-tight seal for applications up to 15 000 psig (1034 bar).
The flexible vinyl glove box provides a simple, sealed environment that is designed to be purged with any inert gas through the installed ball valve and pressure relief valve.
Flange-type two-port ball valves provide a straightforward means of installing a ball valve in a circuit that uses any of the offered four-bolt flange mounting patterns.
But if you have tried to use an ordinary industrial ball valve in a vacuum situation, you know that potential and reality are two very different things.