ball valve

noun Machinery.

a valve controlling flow by means of a ball pierced with an opening in one direction and fixed to rotate on a spindle at right angles to the opening.

any valve that checks flow by the seating of a ball.

Origin of ball valve

First recorded in 1830–40

Words nearby ball valve

ballsy, ball tearer, ball thrombus, ball turning, ballup, ball valve, ball-valve thrombus, Ballwin, bally, ballyhoo, Ballymena

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for ball valve

At o is a delivery valve, opening outwards, which is often a ball-valve but sometimes a flap-valve.
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 1|Various
The ball-valve is supported by a suspension thread (T) from the roof of the bell (B).
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3|Various
Should the pressure increase, the bell (B) is raised and with it the ball-valve (V).
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3|Various
The communication between the train-pipe and the cylinder is controlled by a ball-valve, one form of which is shown in fig. 2.
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4|Various

When the pressure falls again, the ball-valve is lowered and more gas passes through.
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3|Various

British Dictionary definitions for ball valve

ball valve

noun

a one-way valve consisting of a metal ball with a cylindrical hole fitting into a concave seat over an opening

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for ball valve

ball valve

n.

A valve regulated by the position of a free-floating ball that moves in response to fluid or mechanical pressure.

单词	ball valve
释义	ball valve noun Machinery. a valve controlling flow by means of a ball pierced with an opening in one direction and fixed to rotate on a spindle at right angles to the opening. any valve that checks flow by the seating of a ball. Origin of ball valve First recorded in 1830–40 Words nearby ball valve ballsy, ball tearer, ball thrombus, ball turning, ballup, ball valve, ball-valve thrombus, Ballwin, bally, ballyhoo, Ballymena Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for ball valve At o is a delivery valve, opening outwards, which is often a ball-valve but sometimes a flap-valve. Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 1\|Various The ball-valve is supported by a suspension thread (T) from the roof of the bell (B). Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3\|Various Should the pressure increase, the bell (B) is raised and with it the ball-valve (V). Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3\|Various The communication between the train-pipe and the cylinder is controlled by a ball-valve, one form of which is shown in fig. 2. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4\|Various When the pressure falls again, the ball-valve is lowered and more gas passes through. Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3\|Various British Dictionary definitions for ball valve ball valve noun a one-way valve consisting of a metal ball with a cylindrical hole fitting into a concave seat over an opening Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for ball valve ball valve n. A valve regulated by the position of a free-floating ball that moves in response to fluid or mechanical pressure. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
随便看	pogoniasis pogonion pogonip pogonophoran pogo stick pogrom pogson ratio pogy pohai pohang pohiri pohjola pohl pohutukawa poi poi dance -poiesis -poietic poignancy poignant poikilitic poikilo- poikiloblast poikiloblastic poikilocyte