ball-valve

  • 1Ball valve — Ball Ball (b[add]l), n. [OE. bal, balle; akin to OHG. balla, palla, G. ball, Icel. b[ o]llr, ball; cf. F. balle. Cf. 1st {Bale}, n., {Pallmall}.] 1. Any round or roundish body or mass; a sphere or globe; as, a ball of twine; a ball of snow. [1913 …

    The Collaborative International Dictionary of English

  • 2Ball valve — Valve Valve, n. [L. valva the leaf, fold, or valve of a door: cf. F. valve.] [1913 Webster] 1. A door; especially, one of a pair of folding doors, or one of the leaves of such a door. [1913 Webster] Swift through the valves the visionary fair… …

    The Collaborative International Dictionary of English

  • 3ball valve — n. a valve that works by the action of a ball resting on the outlet hole: use of external pressure raises the ball and opens the hole; when the pressure is removed, the ball drops and closes the hole …

    English World dictionary

  • 4ball valve — ball′ valve n. mac a plumbing valve that regulates the flow of a fluid by means of a ball that moves into or out of the valve opening • Etymology: 1830–40 …

    From formal English to slang

  • 5Ball valve — A ball valve (like the butterfly valve and plug valve are one of the family of valves called quarter turn valves ) is a valve that opens by turning a handle attached to a ball inside the valve. The ball has a hole, or port, through the middle so… …

    Wikipedia

  • 6ball valve — noun any valve that checks flow by the seating of a ball • Hypernyms: ↑valve * * * noun 1. : a valve in which a ball fits into a spherical seat and regulates the aperture by its rise and fall due to fluid pressure, to a spring, or to its own… …

    Useful english dictionary

  • 7ball valve — rutulinis vožtuvas statusas T sritis automatika atitikmenys: angl. ball valve vok. Kugelventil, n rus. шаровой клапан, m pranc. soupape à bille, f; soupape à boulet, f …

    Automatikos terminų žodynas

  • 8ball valve — valve in which a small ball regulates pressure …

    English contemporary dictionary

  • 9ball-valve action — the intermittent obstruction caused by a free or partially attached foreign body in a tubular or cavitary structure, as by a foreign body in a bronchus, a stone in a bile duct, or a tumor in the cardiac atrium. Ball valve action. Calculi… …

    Medical dictionary

  • 10ball valve — Mach. 1. 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. 2. any valve that checks flow by the seating of a ball. [1830 40] * * * …

    Universalium