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needle valve |
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needle valve [′nēd·əl ‚valv]
(mechanical engineering) A slender, pointed rod fitting in a hole or circular or conoidal seat; used in hydraulic turbines and hydroelectric systems. needle valve A type of globe valve in which the throttling is performed by a tapered pin moving in and out of a conical seat to adjust the fluid flow. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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