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ball-check valve |
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ball-check valve A spring-operated check valve in a piping system; when the fluid flows in one direction, pressure against a movable ball allows fluid to pass; when the direction of flow is reversed, the ball is forced against a seat, thereby stopping the 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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